[{"citation":{"chicago":"Mujica, Nicolás, and Scott R Waitukaitis. “Accurate Determination of the Shapes of Granular Charge Distributions.” <i>Physical Review E</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevE.107.034901\">https://doi.org/10.1103/PhysRevE.107.034901</a>.","ieee":"N. Mujica and S. R. Waitukaitis, “Accurate determination of the shapes of granular charge distributions,” <i>Physical Review E</i>, vol. 107, no. 3. American Physical Society, 2023.","short":"N. Mujica, S.R. Waitukaitis, Physical Review E 107 (2023).","apa":"Mujica, N., &#38; Waitukaitis, S. R. (2023). Accurate determination of the shapes of granular charge distributions. <i>Physical Review E</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevE.107.034901\">https://doi.org/10.1103/PhysRevE.107.034901</a>","ista":"Mujica N, Waitukaitis SR. 2023. Accurate determination of the shapes of granular charge distributions. Physical Review E. 107(3), 034901.","mla":"Mujica, Nicolás, and Scott R. Waitukaitis. “Accurate Determination of the Shapes of Granular Charge Distributions.” <i>Physical Review E</i>, vol. 107, no. 3, 034901, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevE.107.034901\">10.1103/PhysRevE.107.034901</a>.","ama":"Mujica N, Waitukaitis SR. Accurate determination of the shapes of granular charge distributions. <i>Physical Review E</i>. 2023;107(3). doi:<a href=\"https://doi.org/10.1103/PhysRevE.107.034901\">10.1103/PhysRevE.107.034901</a>"},"article_processing_charge":"No","volume":107,"date_created":"2023-04-02T22:01:10Z","publisher":"American Physical Society","_id":"12789","article_type":"original","external_id":{"isi":["000992142700001"],"pmid":["37072968"]},"oa":1,"title":"Accurate determination of the shapes of granular charge distributions","intvolume":"       107","pmid":1,"file_date_updated":"2023-11-27T09:51:48Z","status":"public","article_number":"034901","date_updated":"2025-04-14T07:54:10Z","ddc":["530"],"oa_version":"Published Version","year":"2023","author":[{"first_name":"Nicolás","full_name":"Mujica, Nicolás","last_name":"Mujica"},{"first_name":"Scott R","orcid":"0000-0002-2299-3176","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","last_name":"Waitukaitis","full_name":"Waitukaitis, Scott R"}],"acknowledgement":"This research was supported by Grants QUIMAL 160001 and Fondecyt 1221597. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (Grant Agreement No. 949120). This research was supported by the Scientific Service Units of The Institute of Science and Technology Austria (ISTA) through resources provided by the Miba Machine Shop. We thank the machine shop technical assistance of Ricardo Silva and Andrés Espinosa at Departamento de Física, Universidad de Chile.","has_accepted_license":"1","issue":"3","isi":1,"month":"03","department":[{"_id":"ScWa"}],"abstract":[{"lang":"eng","text":"Experiments have shown that charge distributions of granular materials are non-Gaussian, with broad tails that indicate many particles with high charge. This observation has consequences for the behavior of granular materials in many settings, and may bear relevance to the underlying charge transfer mechanism. However, there is the unaddressed possibility that broad tails arise due to experimental uncertainties, as determining the shapes of tails is nontrivial. Here we show that measurement uncertainties can indeed account for most of the tail broadening previously observed. The clue that reveals this is that distributions are sensitive to the electric field at which they are measured; ones measured at low (high) fields have larger (smaller) tails. Accounting for sources of uncertainty, we reproduce this broadening in silico. Finally, we use our results to back out the true charge distribution without broadening, which we find is still non-Guassian, though with substantially different behavior at the tails and indicating significantly fewer highly charged particles. These results have implications in many natural settings where electrostatic interactions, especially among highly charged particles, strongly affect granular behavior."}],"acknowledged_ssus":[{"_id":"M-Shop"}],"day":"01","date_published":"2023-03-01T00:00:00Z","file":[{"success":1,"creator":"swaituka","file_name":"PhysRevE.107.034901 (1).pdf","relation":"main_file","file_size":1428631,"content_type":"application/pdf","checksum":"48f5dfe4e5f1c46c3c86805cd8f84bea","access_level":"open_access","file_id":"14612","date_updated":"2023-11-27T09:51:48Z","date_created":"2023-11-27T09:51:48Z"}],"project":[{"call_identifier":"H2020","grant_number":"949120","name":"Tribocharge: a multi-scale approach to an enduring problem in physics","_id":"0aa60e99-070f-11eb-9043-a6de6bdc3afa"}],"publication_identifier":{"eissn":["2470-0053"],"issn":["2470-0045"]},"corr_author":"1","fulldoi":"https://doi.org/10.1103/PhysRevE.107.034901","ec_funded":1,"language":[{"iso":"eng"}],"publication":"Physical Review E","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","scopus_import":"1","doi":"10.1103/PhysRevE.107.034901","publication_status":"published","type":"journal_article","quality_controlled":"1"},{"day":"13","abstract":[{"lang":"eng","text":"Nominally identical materials exchange net electric charge during contact through a mechanism that is still debated. ‘Mosaic models’, in which surfaces are presumed to consist of a random patchwork of microscopic donor/acceptor sites, offer an appealing explanation for this phenomenon. However, recent experiments have shown that global differences persist even between same-material samples, which the standard mosaic framework does not account for. Here, we expand the mosaic framework by incorporating global differences in the densities of donor/acceptor sites. We develop\r\nan analytical model, backed by numerical simulations, that smoothly connects the global and deterministic charge transfer of different materials to the local and stochastic mosaic picture normally associated with identical materials. Going further, we extend our model to explain the effect of contact asymmetries during sliding, providing a plausible explanation for reversal of charging sign that has been observed experimentally."}],"date_published":"2023-06-13T00:00:00Z","file":[{"checksum":"75584730d9cdd50eeccb4c52c509776d","access_level":"open_access","file_id":"13198","date_updated":"2023-07-07T12:49:51Z","date_created":"2023-07-07T12:49:51Z","success":1,"creator":"ggrosjea","file_name":"Mosaic_asymmetries.pdf","relation":"main_file","file_size":1127040,"content_type":"application/pdf"}],"publication_identifier":{"issn":["2475-9953"]},"project":[{"call_identifier":"H2020","name":"Tribocharge: a multi-scale approach to an enduring problem in physics","grant_number":"949120","_id":"0aa60e99-070f-11eb-9043-a6de6bdc3afa"},{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships","call_identifier":"H2020"}],"keyword":["Physics and Astronomy (miscellaneous)","General Materials Science"],"fulldoi":"https://doi.org/10.1103/physrevmaterials.7.065601","ec_funded":1,"corr_author":"1","language":[{"iso":"eng"}],"publication":"Physical Review Materials","scopus_import":"1","doi":"10.1103/physrevmaterials.7.065601","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","publication_status":"published","type":"journal_article","quality_controlled":"1","publisher":"American Physical Society","date_created":"2023-07-07T12:48:01Z","volume":7,"article_processing_charge":"No","citation":{"chicago":"Grosjean, Galien M, and Scott R Waitukaitis. “Asymmetries in Triboelectric Charging: Generalizing Mosaic Models to Different-Material Samples and Sliding Contacts.” <i>Physical Review Materials</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/physrevmaterials.7.065601\">https://doi.org/10.1103/physrevmaterials.7.065601</a>.","ieee":"G. M. Grosjean and S. R. Waitukaitis, “Asymmetries in triboelectric charging: Generalizing mosaic models to different-material samples and sliding contacts,” <i>Physical Review Materials</i>, vol. 7, no. 6. American Physical Society, 2023.","short":"G.M. Grosjean, S.R. Waitukaitis, Physical Review Materials 7 (2023).","apa":"Grosjean, G. M., &#38; Waitukaitis, S. R. (2023). Asymmetries in triboelectric charging: Generalizing mosaic models to different-material samples and sliding contacts. <i>Physical Review Materials</i>. American Physical Society. <a href=\"https://doi.org/10.1103/physrevmaterials.7.065601\">https://doi.org/10.1103/physrevmaterials.7.065601</a>","mla":"Grosjean, Galien M., and Scott R. Waitukaitis. “Asymmetries in Triboelectric Charging: Generalizing Mosaic Models to Different-Material Samples and Sliding Contacts.” <i>Physical Review Materials</i>, vol. 7, no. 6, 065601, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/physrevmaterials.7.065601\">10.1103/physrevmaterials.7.065601</a>.","ama":"Grosjean GM, Waitukaitis SR. Asymmetries in triboelectric charging: Generalizing mosaic models to different-material samples and sliding contacts. <i>Physical Review Materials</i>. 2023;7(6). doi:<a href=\"https://doi.org/10.1103/physrevmaterials.7.065601\">10.1103/physrevmaterials.7.065601</a>","ista":"Grosjean GM, Waitukaitis SR. 2023. Asymmetries in triboelectric charging: Generalizing mosaic models to different-material samples and sliding contacts. Physical Review Materials. 7(6), 065601."},"external_id":{"arxiv":["2304.12861"],"isi":["001019565900002"]},"_id":"13197","article_type":"original","oa":1,"intvolume":"         7","title":"Asymmetries in triboelectric charging: Generalizing mosaic models to different-material samples and sliding contacts","arxiv":1,"status":"public","file_date_updated":"2023-07-07T12:49:51Z","ddc":["537"],"article_number":"065601","date_updated":"2025-04-14T07:43:55Z","author":[{"full_name":"Grosjean, Galien M","id":"0C5FDA4A-9CF6-11E9-8939-FF05E6697425","last_name":"Grosjean","first_name":"Galien M","orcid":"0000-0001-5154-417X"},{"last_name":"Waitukaitis","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","full_name":"Waitukaitis, Scott R","first_name":"Scott R","orcid":"0000-0002-2299-3176"}],"acknowledgement":"This project has received funding from the European Research Council Grant Agreement No. 949120 and from\r\nthe European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant\r\nAgreement No. 754411. ","oa_version":"Submitted Version","year":"2023","issue":"6","has_accepted_license":"1","department":[{"_id":"ScWa"}],"isi":1,"month":"06"},{"abstract":[{"text":"The elastic Leidenfrost effect occurs when a vaporizable soft solid is lowered onto a hot surface. Evaporative flow couples to elastic deformation, giving spontaneous bouncing or steady-state floating. The effect embodies an unexplored interplay between thermodynamics, elasticity, and lubrication: despite being observed, its basic theoretical description remains a challenge. Here, we provide a theory of elastic Leidenfrost floating. As weight increases, a rigid solid sits closer to the hot surface. By contrast, we discover an elasticity-dominated regime where the heavier the solid, the higher it floats. This geometry-governed behavior is reminiscent of the dynamics of large liquid Leidenfrost drops. We show that this elastic regime is characterized by Hertzian behavior of the solid’s underbelly and derive how the float height scales with materials parameters. Introducing a dimensionless elastic Leidenfrost number, we capture the crossover between rigid and Hertzian behavior. Our results provide theoretical underpinning for recent experiments, and point to the design of novel soft machines.","lang":"eng"}],"day":"20","file":[{"file_name":"2023_PhysRevLetters_Binysh.pdf","relation":"main_file","content_type":"application/pdf","file_size":724098,"success":1,"creator":"dernst","date_created":"2023-11-13T09:12:58Z","date_updated":"2023-11-13T09:12:58Z","checksum":"1a419e25b762aadffbcc8eb2e609bd97","file_id":"14524","access_level":"open_access"}],"date_published":"2023-10-20T00:00:00Z","publication_identifier":{"eissn":["1079-7114"],"issn":["0031-9007"]},"fulldoi":"https://doi.org/10.1103/PhysRevLett.131.168201","language":[{"iso":"eng"}],"tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"related_material":{"record":[{"relation":"research_data","id":"14523","status":"public"}]},"publication":"Physical Review Letters","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","doi":"10.1103/PhysRevLett.131.168201","scopus_import":"1","quality_controlled":"1","type":"journal_article","publication_status":"published","volume":131,"article_processing_charge":"Yes (in subscription journal)","date_created":"2023-11-12T23:00:55Z","citation":{"mla":"Binysh, Jack, et al. “Modeling Leidenfrost Levitation of Soft Elastic Solids.” <i>Physical Review Letters</i>, vol. 131, no. 16, 168201, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevLett.131.168201\">10.1103/PhysRevLett.131.168201</a>.","ista":"Binysh J, Chakraborty I, Chubynsky MV, Diaz Melian VL, Waitukaitis SR, Sprittles JE, Souslov A. 2023. Modeling Leidenfrost levitation of soft elastic solids. Physical Review Letters. 131(16), 168201.","ama":"Binysh J, Chakraborty I, Chubynsky MV, et al. Modeling Leidenfrost levitation of soft elastic solids. <i>Physical Review Letters</i>. 2023;131(16). doi:<a href=\"https://doi.org/10.1103/PhysRevLett.131.168201\">10.1103/PhysRevLett.131.168201</a>","short":"J. Binysh, I. Chakraborty, M.V. Chubynsky, V.L. Diaz Melian, S.R. Waitukaitis, J.E. Sprittles, A. Souslov, Physical Review Letters 131 (2023).","apa":"Binysh, J., Chakraborty, I., Chubynsky, M. V., Diaz Melian, V. L., Waitukaitis, S. R., Sprittles, J. E., &#38; Souslov, A. (2023). Modeling Leidenfrost levitation of soft elastic solids. <i>Physical Review Letters</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevLett.131.168201\">https://doi.org/10.1103/PhysRevLett.131.168201</a>","ieee":"J. Binysh <i>et al.</i>, “Modeling Leidenfrost levitation of soft elastic solids,” <i>Physical Review Letters</i>, vol. 131, no. 16. American Physical Society, 2023.","chicago":"Binysh, Jack, Indrajit Chakraborty, Mykyta V. Chubynsky, Vicente L Diaz Melian, Scott R Waitukaitis, James E. Sprittles, and Anton Souslov. “Modeling Leidenfrost Levitation of Soft Elastic Solids.” <i>Physical Review Letters</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevLett.131.168201\">https://doi.org/10.1103/PhysRevLett.131.168201</a>."},"publisher":"American Physical Society","article_type":"original","_id":"14514","external_id":{"pmid":["37925690"],"isi":["001164388300007"]},"intvolume":"       131","title":"Modeling Leidenfrost levitation of soft elastic solids","oa":1,"pmid":1,"file_date_updated":"2023-11-13T09:12:58Z","status":"public","date_updated":"2025-09-09T13:19:07Z","article_number":"168201","ddc":["530"],"year":"2023","oa_version":"Published Version","acknowledgement":"We are grateful to Dominic Vella, Jens Eggers, John Kolinski, Joshua Dijksman, and Daniel Bonn for insightful discussions. J. B. and A. S. acknowledge the support of the Engineering and Physical Sciences Research Council (EPSRC) through New Investigator Award No. EP/\r\nT000961/1. A. S. acknowledges the support of Royal Society under Grant No. RGS/R2/202135. J. E. S. acknowledges EPSRC Grants No. EP/N016602/1, EP/S022848/1, EP/S029966/1, and EP/P031684/1.","author":[{"first_name":"Jack","last_name":"Binysh","full_name":"Binysh, Jack"},{"full_name":"Chakraborty, Indrajit","last_name":"Chakraborty","first_name":"Indrajit"},{"first_name":"Mykyta V.","last_name":"Chubynsky","full_name":"Chubynsky, Mykyta V."},{"last_name":"Diaz Melian","id":"b6798902-eea0-11ea-9cbc-a8e14286c631","full_name":"Diaz Melian, Vicente L","first_name":"Vicente L"},{"orcid":"0000-0002-2299-3176","first_name":"Scott R","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","last_name":"Waitukaitis","full_name":"Waitukaitis, Scott R"},{"first_name":"James E.","full_name":"Sprittles, James E.","last_name":"Sprittles"},{"first_name":"Anton","full_name":"Souslov, Anton","last_name":"Souslov"}],"has_accepted_license":"1","issue":"16","month":"10","isi":1,"department":[{"_id":"ScWa"}]},{"day":"08","publisher":"Zenodo","citation":{"mla":"Binysh, Jack, et al. <i>SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: V1.0.1</i>. Zenodo, 2023, doi:<a href=\"https://doi.org/10.5281/ZENODO.8329143\">10.5281/ZENODO.8329143</a>.","ista":"Binysh J, Chakraborty I, Chubynsky M, Diaz Melian VL, Waitukaitis SR, Sprittles J, Souslov A. 2023. SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: v1.0.1, Zenodo, <a href=\"https://doi.org/10.5281/ZENODO.8329143\">10.5281/ZENODO.8329143</a>.","ama":"Binysh J, Chakraborty I, Chubynsky M, et al. SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: v1.0.1. 2023. doi:<a href=\"https://doi.org/10.5281/ZENODO.8329143\">10.5281/ZENODO.8329143</a>","apa":"Binysh, J., Chakraborty, I., Chubynsky, M., Diaz Melian, V. L., Waitukaitis, S. R., Sprittles, J., &#38; Souslov, A. (2023). SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: v1.0.1. Zenodo. <a href=\"https://doi.org/10.5281/ZENODO.8329143\">https://doi.org/10.5281/ZENODO.8329143</a>","short":"J. Binysh, I. Chakraborty, M. Chubynsky, V.L. Diaz Melian, S.R. Waitukaitis, J. Sprittles, A. Souslov, (2023).","ieee":"J. Binysh <i>et al.</i>, “SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: v1.0.1.” Zenodo, 2023.","chicago":"Binysh, Jack, Indrajit Chakraborty, Mykyta Chubynsky, Vicente L Diaz Melian, Scott R Waitukaitis, James Sprittles, and Anton Souslov. “SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: V1.0.1.” Zenodo, 2023. <a href=\"https://doi.org/10.5281/ZENODO.8329143\">https://doi.org/10.5281/ZENODO.8329143</a>."},"date_created":"2023-11-13T09:12:11Z","article_processing_charge":"No","abstract":[{"lang":"eng","text":"see Readme file"}],"date_published":"2023-09-08T00:00:00Z","_id":"14523","oa":1,"title":"SouslovLab/PRL2023-ModellingLeidenfrostLevitationofSoftElasticSolids: v1.0.1","fulldoi":"https://doi.org/10.5281/ZENODO.8329143","status":"public","ddc":["530"],"related_material":{"record":[{"relation":"used_in_publication","id":"14514","status":"public"}]},"date_updated":"2025-09-09T13:19:07Z","author":[{"first_name":"Jack","full_name":"Binysh, Jack","last_name":"Binysh"},{"full_name":"Chakraborty, Indrajit","last_name":"Chakraborty","first_name":"Indrajit"},{"full_name":"Chubynsky, Mykyta","last_name":"Chubynsky","first_name":"Mykyta"},{"full_name":"Diaz Melian, Vicente L","last_name":"Diaz Melian","id":"b6798902-eea0-11ea-9cbc-a8e14286c631","first_name":"Vicente L"},{"full_name":"Waitukaitis, Scott R","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","last_name":"Waitukaitis","first_name":"Scott R","orcid":"0000-0002-2299-3176"},{"last_name":"Sprittles","full_name":"Sprittles, James","first_name":"James"},{"first_name":"Anton","last_name":"Souslov","full_name":"Souslov, Anton"}],"year":"2023","oa_version":"Published Version","doi":"10.5281/ZENODO.8329143","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","department":[{"_id":"ScWa"}],"month":"09","main_file_link":[{"open_access":"1","url":"https://doi.org/10.5281/ZENODO.8329143"}],"type":"research_data_reference"},{"department":[{"_id":"CaMu"},{"_id":"ScWa"}],"month":"04","has_accepted_license":"1","author":[{"full_name":"Stöllner, Andrea","last_name":"Stöllner","id":"4bdcf7f6-eb97-11eb-a6c2-9981bbdc3bed","orcid":"0000-0002-0464-8440","first_name":"Andrea"},{"full_name":"Lenton, Isaac C","id":"a550210f-223c-11ec-8182-e2d45e817efb","last_name":"Lenton","orcid":"0000-0002-5010-6984","first_name":"Isaac C"},{"full_name":"Muller, Caroline J","id":"f978ccb0-3f7f-11eb-b193-b0e2bd13182b","last_name":"Muller","first_name":"Caroline J","orcid":"0000-0001-5836-5350"},{"full_name":"Waitukaitis, Scott R","last_name":"Waitukaitis","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-2299-3176","first_name":"Scott R"}],"acknowledgement":"This project has received funding from the European Research Council (ERC) under the European Union’s Starting Grant (No. 949120).","oa_version":"Published Version","year":"2023","ddc":["530"],"date_updated":"2025-04-14T07:54:10Z","article_number":"6166","status":"public","file_date_updated":"2024-01-23T13:00:26Z","title":"Measuring spontaneous charging of single aerosol particles","oa":1,"_id":"14864","publisher":"European Geosciences Union","date_created":"2024-01-22T12:09:07Z","citation":{"ama":"Stöllner A, Lenton IC, Muller CJ, Waitukaitis SR. Measuring spontaneous charging of single aerosol particles. In: <i>EGU General Assembly 2023</i>. European Geosciences Union; 2023. doi:<a href=\"https://doi.org/10.5194/egusphere-egu23-6166\">10.5194/egusphere-egu23-6166</a>","ista":"Stöllner A, Lenton IC, Muller CJ, Waitukaitis SR. 2023. Measuring spontaneous charging of single aerosol particles. EGU General Assembly 2023. EGU General Assembly, 6166.","mla":"Stöllner, Andrea, et al. “Measuring Spontaneous Charging of Single Aerosol Particles.” <i>EGU General Assembly 2023</i>, 6166, European Geosciences Union, 2023, doi:<a href=\"https://doi.org/10.5194/egusphere-egu23-6166\">10.5194/egusphere-egu23-6166</a>.","short":"A. Stöllner, I.C. Lenton, C.J. Muller, S.R. Waitukaitis, in:, EGU General Assembly 2023, European Geosciences Union, 2023.","apa":"Stöllner, A., Lenton, I. C., Muller, C. J., &#38; Waitukaitis, S. R. (2023). Measuring spontaneous charging of single aerosol particles. In <i>EGU General Assembly 2023</i>. Vienna, Austria &#38; Virtual: European Geosciences Union. <a href=\"https://doi.org/10.5194/egusphere-egu23-6166\">https://doi.org/10.5194/egusphere-egu23-6166</a>","ieee":"A. Stöllner, I. C. Lenton, C. J. Muller, and S. R. Waitukaitis, “Measuring spontaneous charging of single aerosol particles,” in <i>EGU General Assembly 2023</i>, Vienna, Austria &#38; Virtual, 2023.","chicago":"Stöllner, Andrea, Isaac C Lenton, Caroline J Muller, and Scott R Waitukaitis. “Measuring Spontaneous Charging of Single Aerosol Particles.” In <i>EGU General Assembly 2023</i>. European Geosciences Union, 2023. <a href=\"https://doi.org/10.5194/egusphere-egu23-6166\">https://doi.org/10.5194/egusphere-egu23-6166</a>."},"article_processing_charge":"No","type":"conference_abstract","publication_status":"published","doi":"10.5194/egusphere-egu23-6166","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication":"EGU General Assembly 2023","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"language":[{"iso":"eng"}],"ec_funded":1,"fulldoi":"https://doi.org/10.5194/egusphere-egu23-6166","corr_author":"1","project":[{"call_identifier":"H2020","grant_number":"949120","name":"Tribocharge: a multi-scale approach to an enduring problem in physics","_id":"0aa60e99-070f-11eb-9043-a6de6bdc3afa"}],"file":[{"date_created":"2024-01-23T13:00:26Z","date_updated":"2024-01-23T13:00:26Z","checksum":"8d6ddbb359e584b156f991f00196d86b","file_id":"14880","access_level":"open_access","relation":"main_file","file_name":"2023_EGU_Stoellner.pdf","content_type":"application/pdf","file_size":419736,"success":1,"creator":"dernst"}],"date_published":"2023-04-23T00:00:00Z","day":"23","conference":{"location":"Vienna, Austria & Virtual","name":"EGU General Assembly","end_date":"2023-04-28","start_date":"2023-04-23"}},{"corr_author":"1","fulldoi":"https://doi.org/10.1016/j.sctalk.2022.100038","publication_identifier":{"eissn":["2772-5693"]},"date_published":"2022-08-01T00:00:00Z","file":[{"relation":"main_file","file_name":"2022_ScienceTalks_Clavaud.pdf","content_type":"application/pdf","file_size":1128564,"success":1,"creator":"dernst","date_created":"2024-12-03T08:41:48Z","date_updated":"2024-12-03T08:41:48Z","checksum":"379a5f0b2684cd5393a23be374591484","file_id":"18607","access_level":"open_access"},{"date_updated":"2024-12-11T09:22:13Z","date_created":"2024-12-11T09:22:13Z","access_level":"open_access","file_id":"18646","checksum":"666c0bd9af8432437554d0c75c540809","file_size":93265727,"content_type":"video/mp4","relation":"main_file","file_name":"2024_ScienceTalk_Clavaud_Video.mp4","creator":"dernst","success":1},{"creator":"dernst","content_type":"video/mp4","file_size":58282147,"file_name":"2024_ScienceTalk__Clavaud_QA.mp4","relation":"supplementary_material","file_id":"18647","access_level":"open_access","checksum":"8fd0d6224d7a0125fcf7d9ca0d80d700","date_created":"2024-12-11T09:22:19Z","date_updated":"2024-12-11T09:22:19Z"}],"abstract":[{"text":"Shear thickening is an intriguing rheological behaviour which consists in a brutal increase in the viscosity above a critical shear rate. It is famously encountered in suspensions of corn starch in water. Despite having been discovered in the early 1930's, its underlying mechanisms remained a mystery for a long time. In 2013–14, numerical and theoretical works [[1], [2], [3]] put forward a frictional transition scenario to explain this phenomenon.\r\nIn this talk, I will present experimental work investigating this frictional transition scenario. In order to test the ideas of this model, one has to go further than standard rheological techniques, since they do not provide access to the frictional state of the measured suspension. I will thus focus on the techniques that we developed in order to evidence the frictional transition and link it to the presence of a shear-thickening behaviour.","lang":"eng"}],"OA_place":"publisher","day":"01","publication_status":"published","type":"journal_article","quality_controlled":"1","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","scopus_import":"1","doi":"10.1016/j.sctalk.2022.100038","publication":"Science Talks","language":[{"iso":"eng"}],"tmp":{"legal_code_url":"https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode","short":"CC BY-NC-ND (4.0)","name":"Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)","image":"/images/cc_by_nc_nd.png"},"file_date_updated":"2024-12-11T09:22:19Z","status":"public","oa":1,"intvolume":"         3","DOAJ_listed":"1","title":"Shear thickening in dense suspensions: an experimental study","_id":"18606","article_type":"original","article_processing_charge":"No","date_created":"2024-12-01T23:01:55Z","volume":3,"citation":{"chicago":"Clavaud, Cécile. “Shear Thickening in Dense Suspensions: An Experimental Study.” <i>Science Talks</i>. Elsevier, 2022. <a href=\"https://doi.org/10.1016/j.sctalk.2022.100038\">https://doi.org/10.1016/j.sctalk.2022.100038</a>.","ieee":"C. Clavaud, “Shear thickening in dense suspensions: an experimental study,” <i>Science Talks</i>, vol. 3. Elsevier, 2022.","apa":"Clavaud, C. (2022). Shear thickening in dense suspensions: an experimental study. <i>Science Talks</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.sctalk.2022.100038\">https://doi.org/10.1016/j.sctalk.2022.100038</a>","short":"C. Clavaud, Science Talks 3 (2022).","ama":"Clavaud C. Shear thickening in dense suspensions: an experimental study. <i>Science Talks</i>. 2022;3. doi:<a href=\"https://doi.org/10.1016/j.sctalk.2022.100038\">10.1016/j.sctalk.2022.100038</a>","ista":"Clavaud C. 2022. Shear thickening in dense suspensions: an experimental study. Science Talks. 3, 100038.","mla":"Clavaud, Cécile. “Shear Thickening in Dense Suspensions: An Experimental Study.” <i>Science Talks</i>, vol. 3, 100038, Elsevier, 2022, doi:<a href=\"https://doi.org/10.1016/j.sctalk.2022.100038\">10.1016/j.sctalk.2022.100038</a>."},"publisher":"Elsevier","month":"08","department":[{"_id":"ScWa"}],"OA_type":"gold","has_accepted_license":"1","oa_version":"Published Version","year":"2022","author":[{"id":"5f654c5d-04a1-11eb-ab36-ba9ffec58bd8","last_name":"Clavaud","full_name":"Clavaud, Cécile","orcid":"0000-0002-1843-3803","first_name":"Cécile"}],"acknowledgement":"This talk presents parts of my PhD work, conducted at IUSTI in Marseille under the supervision of Yoël Forterre and Bloen Metzger. It aslo benefited from contributions from Antoine Bérut, and some of the data was acquired by Pauline Dame as part of a summer internship.\r\nThis work was supported by the European Research Council (ERC) under the European Union Horizon 2020 Research and Innovation program (ERC Grant 647384) and by the Labex MEC (ANR-10-LABX-0092) under the 647384) and by the A*MIDEX project (ANR-11-IDEX-0001-02) funded by the French government program Investissements d'Avenir, and by ANR ScienceFriction (No. ANR-18-CE30-0024).","article_number":"100038","date_updated":"2024-12-11T09:24:57Z","ddc":["530"]},{"intvolume":"        24","title":"Intruders cooperatively interact with a wall into granular matter","oa":1,"status":"public","arxiv":1,"volume":24,"article_processing_charge":"No","citation":{"ista":"Espinosa M, Diaz Melian VL, Serrano-Muñoz A, Altshuler E. 2022. Intruders cooperatively interact with a wall into granular matter. Granular Matter. 24(1), 39.","ama":"Espinosa M, Diaz Melian VL, Serrano-Muñoz A, Altshuler E. Intruders cooperatively interact with a wall into granular matter. <i>Granular Matter</i>. 2022;24(1). doi:<a href=\"https://doi.org/10.1007/s10035-021-01200-8\">10.1007/s10035-021-01200-8</a>","mla":"Espinosa, M., et al. “Intruders Cooperatively Interact with a Wall into Granular Matter.” <i>Granular Matter</i>, vol. 24, no. 1, 39, Springer Nature, 2022, doi:<a href=\"https://doi.org/10.1007/s10035-021-01200-8\">10.1007/s10035-021-01200-8</a>.","short":"M. Espinosa, V.L. Diaz Melian, A. Serrano-Muñoz, E. Altshuler, Granular Matter 24 (2022).","apa":"Espinosa, M., Diaz Melian, V. L., Serrano-Muñoz, A., &#38; Altshuler, E. (2022). Intruders cooperatively interact with a wall into granular matter. <i>Granular Matter</i>. Springer Nature. <a href=\"https://doi.org/10.1007/s10035-021-01200-8\">https://doi.org/10.1007/s10035-021-01200-8</a>","ieee":"M. Espinosa, V. L. Diaz Melian, A. Serrano-Muñoz, and E. Altshuler, “Intruders cooperatively interact with a wall into granular matter,” <i>Granular Matter</i>, vol. 24, no. 1. Springer Nature, 2022.","chicago":"Espinosa, M., Vicente L Diaz Melian, A. Serrano-Muñoz, and E. Altshuler. “Intruders Cooperatively Interact with a Wall into Granular Matter.” <i>Granular Matter</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1007/s10035-021-01200-8\">https://doi.org/10.1007/s10035-021-01200-8</a>."},"date_created":"2022-02-06T23:01:30Z","publisher":"Springer Nature","article_type":"original","_id":"10733","external_id":{"arxiv":["2110.15311"],"isi":["000746623000001"]},"issue":"1","month":"01","main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2110.15311"}],"isi":1,"department":[{"_id":"ScWa"}],"date_updated":"2023-08-02T14:10:13Z","article_number":"39","oa_version":"Preprint","year":"2022","acknowledgement":"We acknowledge the University of Havana’s institutional project “Granular media: creating tools for the prevention of catastrophes”. The Institute “Pedro Kourí” is thanked for allowing us using their computing cluster. E. Altshuler found inspiration in the late M. Álvarez-Ponte.","author":[{"full_name":"Espinosa, M.","last_name":"Espinosa","first_name":"M."},{"first_name":"Vicente L","id":"b6798902-eea0-11ea-9cbc-a8e14286c631","last_name":"Diaz Melian","full_name":"Diaz Melian, Vicente L"},{"last_name":"Serrano-Muñoz","full_name":"Serrano-Muñoz, A.","first_name":"A."},{"first_name":"E.","full_name":"Altshuler, E.","last_name":"Altshuler"}],"keyword":["granular matter","boundary effects","intruder penetration","sedimentation"],"publication_identifier":{"issn":["1434-5021"],"eissn":["1434-7636"]},"fulldoi":"https://doi.org/10.1007/s10035-021-01200-8","abstract":[{"lang":"eng","text":"When a cylindrical object penetrates granular matter near a vertical boundary, it experiences two effects: its center of mass moves horizontally away from the wall, and it rotates around its symmetry axis. Here we show experimentally that, if two identical intruders instead of one are released side-by-side near the wall, both effects are also detected. However, unexpected phenomena appear due to a cooperative dynamics between the intruders. The net horizontal distance traveled by the common center of mass of the twin intruders is much larger than that traveled by one intruder released at the same initial distance from the wall, and the rotation is also larger. The experimental results are well described by the Discrete Element Method (DEM), which reveals that, as the number of intruders horizontally released side-by-side increases, the total energy dissipation per intruder decreases. Finally, DEM simulations demonstrate that the horizontal repulsion is substantially enhanced if groups of intruders are released forming a column near the wall."}],"day":"24","date_published":"2022-01-24T00:00:00Z","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","doi":"10.1007/s10035-021-01200-8","scopus_import":"1","quality_controlled":"1","type":"journal_article","publication_status":"published","language":[{"iso":"eng"}],"publication":"Granular Matter"},{"related_material":{"record":[{"status":"public","relation":"dissertation_contains","id":"20203"},{"status":"public","id":"22684","relation":"dissertation_contains"}]},"language":[{"iso":"eng"}],"publication":"Physical Review Materials","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","scopus_import":"1","doi":"10.1103/PhysRevMaterials.6.125605","publication_status":"published","type":"journal_article","quality_controlled":"1","abstract":[{"lang":"eng","text":"Kelvin probe force microscopy (KPFM) is a powerful tool for studying contact electrification (CE) at the nanoscale, but converting KPFM voltage maps to charge density maps is nontrivial due to long-range forces and complex system geometry. Here we present a strategy using finite-element method (FEM) simulations to determine the Green's function of the KPFM probe/insulator/ground system, which allows us to quantitatively extract surface charge. Testing our approach with synthetic data, we find that accounting for the atomic force microscope (AFM) tip, cone, and cantilever is necessary to recover a known input and that existing methods lead to gross miscalculation or even the incorrect sign of the underlying charge. Applying it to experimental data, we demonstrate its capacity to extract realistic surface charge densities and fine details from contact-charged surfaces. Our method gives a straightforward recipe to convert qualitative KPFM voltage data into quantitative charge data over a range of experimental conditions, enabling quantitative CE at the nanoscale."}],"acknowledged_ssus":[{"_id":"M-Shop"},{"_id":"NanoFab"},{"_id":"ScienComp"}],"day":"29","date_published":"2022-12-29T00:00:00Z","project":[{"_id":"0aa60e99-070f-11eb-9043-a6de6bdc3afa","call_identifier":"H2020","grant_number":"949120","name":"Tribocharge: a multi-scale approach to an enduring problem in physics"}],"publication_identifier":{"eissn":["2475-9953"]},"fulldoi":"https://doi.org/10.1103/PhysRevMaterials.6.125605","ec_funded":1,"corr_author":"1","article_number":"125605","date_updated":"2026-08-27T11:42:43Z","year":"2022","oa_version":"Preprint","author":[{"full_name":"Pertl, Felix","last_name":"Pertl","id":"6313aec0-15b2-11ec-abd3-ed67d16139af","first_name":"Felix","orcid":"0000-0003-0463-5794"},{"first_name":"Juan Carlos A","id":"4B807D68-AE37-11E9-AC72-31CAE5697425","last_name":"Sobarzo Ponce","full_name":"Sobarzo Ponce, Juan Carlos A"},{"orcid":"0000-0001-7180-6050","first_name":"Lubuna B","full_name":"Shafeek, Lubuna B","last_name":"Shafeek","id":"3CD37A82-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Cramer, Tobias","last_name":"Cramer","first_name":"Tobias"},{"first_name":"Scott R","orcid":"0000-0002-2299-3176","last_name":"Waitukaitis","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","full_name":"Waitukaitis, Scott R"}],"acknowledgement":"This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Grant Agreement\r\nNo. 949120). This research was supported by the Scientific Service Units of the Institute of Science and Technology Austria (ISTA) through resources provided by the Miba Machine\r\nShop, the Nanofabrication Facility, and the Scientific Computing Facility. We thank F. Stumpf from Park Systems for useful discussions and support with scanning probe microscopy.\r\nF.P. and J.C.S. contributed equally to this work.","issue":"12","isi":1,"main_file_link":[{"url":" https://doi.org/10.48550/arXiv.2209.01889","open_access":"1"}],"month":"12","department":[{"_id":"ScWa"},{"_id":"NanoFab"}],"date_created":"2023-01-08T23:00:53Z","citation":{"chicago":"Pertl, Felix, Juan Carlos A Sobarzo Ponce, Lubuna B Shafeek, Tobias Cramer, and Scott R Waitukaitis. “Quantifying Nanoscale Charge Density Features of Contact-Charged Surfaces with an FEM/KPFM-Hybrid Approach.” <i>Physical Review Materials</i>. American Physical Society, 2022. <a href=\"https://doi.org/10.1103/PhysRevMaterials.6.125605\">https://doi.org/10.1103/PhysRevMaterials.6.125605</a>.","ieee":"F. Pertl, J. C. A. Sobarzo Ponce, L. B. Shafeek, T. Cramer, and S. R. Waitukaitis, “Quantifying nanoscale charge density features of contact-charged surfaces with an FEM/KPFM-hybrid approach,” <i>Physical Review Materials</i>, vol. 6, no. 12. American Physical Society, 2022.","short":"F. Pertl, J.C.A. Sobarzo Ponce, L.B. Shafeek, T. Cramer, S.R. Waitukaitis, Physical Review Materials 6 (2022).","apa":"Pertl, F., Sobarzo Ponce, J. C. A., Shafeek, L. B., Cramer, T., &#38; Waitukaitis, S. R. (2022). Quantifying nanoscale charge density features of contact-charged surfaces with an FEM/KPFM-hybrid approach. <i>Physical Review Materials</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevMaterials.6.125605\">https://doi.org/10.1103/PhysRevMaterials.6.125605</a>","ama":"Pertl F, Sobarzo Ponce JCA, Shafeek LB, Cramer T, Waitukaitis SR. Quantifying nanoscale charge density features of contact-charged surfaces with an FEM/KPFM-hybrid approach. <i>Physical Review Materials</i>. 2022;6(12). doi:<a href=\"https://doi.org/10.1103/PhysRevMaterials.6.125605\">10.1103/PhysRevMaterials.6.125605</a>","mla":"Pertl, Felix, et al. “Quantifying Nanoscale Charge Density Features of Contact-Charged Surfaces with an FEM/KPFM-Hybrid Approach.” <i>Physical Review Materials</i>, vol. 6, no. 12, 125605, American Physical Society, 2022, doi:<a href=\"https://doi.org/10.1103/PhysRevMaterials.6.125605\">10.1103/PhysRevMaterials.6.125605</a>.","ista":"Pertl F, Sobarzo Ponce JCA, Shafeek LB, Cramer T, Waitukaitis SR. 2022. Quantifying nanoscale charge density features of contact-charged surfaces with an FEM/KPFM-hybrid approach. Physical Review Materials. 6(12), 125605."},"article_processing_charge":"No","volume":6,"publisher":"American Physical Society","_id":"12109","article_type":"original","external_id":{"isi":["000908384800001"],"arxiv":["2209.01889"]},"oa":1,"intvolume":"         6","title":"Quantifying nanoscale charge density features of contact-charged surfaces with an FEM/KPFM-hybrid approach","arxiv":1,"status":"public"},{"oa":1,"intvolume":"        44","title":"Regimes of motion of magnetocapillary swimmers","status":"public","file_date_updated":"2021-05-25T11:32:14Z","publisher":"Springer","volume":44,"citation":{"ieee":"A. Sukhov <i>et al.</i>, “Regimes of motion of magnetocapillary swimmers,” <i>European Physical Journal E</i>, vol. 44, no. 4. Springer, 2021.","chicago":"Sukhov, Alexander, Maxime Hubert, Galien M Grosjean, Oleg Trosman, Sebastian Ziegler, Ylona Collard, Nicolas Vandewalle, Ana Sunčana Smith, and Jens Harting. “Regimes of Motion of Magnetocapillary Swimmers.” <i>European Physical Journal E</i>. Springer, 2021. <a href=\"https://doi.org/10.1140/epje/s10189-021-00065-2\">https://doi.org/10.1140/epje/s10189-021-00065-2</a>.","ista":"Sukhov A, Hubert M, Grosjean GM, Trosman O, Ziegler S, Collard Y, Vandewalle N, Smith AS, Harting J. 2021. Regimes of motion of magnetocapillary swimmers. European Physical Journal E. 44(4), 59.","ama":"Sukhov A, Hubert M, Grosjean GM, et al. Regimes of motion of magnetocapillary swimmers. <i>European Physical Journal E</i>. 2021;44(4). doi:<a href=\"https://doi.org/10.1140/epje/s10189-021-00065-2\">10.1140/epje/s10189-021-00065-2</a>","mla":"Sukhov, Alexander, et al. “Regimes of Motion of Magnetocapillary Swimmers.” <i>European Physical Journal E</i>, vol. 44, no. 4, 59, Springer, 2021, doi:<a href=\"https://doi.org/10.1140/epje/s10189-021-00065-2\">10.1140/epje/s10189-021-00065-2</a>.","apa":"Sukhov, A., Hubert, M., Grosjean, G. M., Trosman, O., Ziegler, S., Collard, Y., … Harting, J. (2021). Regimes of motion of magnetocapillary swimmers. <i>European Physical Journal E</i>. Springer. <a href=\"https://doi.org/10.1140/epje/s10189-021-00065-2\">https://doi.org/10.1140/epje/s10189-021-00065-2</a>","short":"A. Sukhov, M. Hubert, G.M. Grosjean, O. Trosman, S. Ziegler, Y. Collard, N. Vandewalle, A.S. Smith, J. Harting, European Physical Journal E 44 (2021)."},"date_created":"2021-05-23T22:01:44Z","article_processing_charge":"No","external_id":{"isi":["000643251300001"]},"_id":"9411","issue":"4","has_accepted_license":"1","department":[{"_id":"ScWa"}],"isi":1,"month":"04","ddc":["530"],"article_number":"59","date_updated":"2025-07-10T12:01:45Z","acknowledgement":"This work was financially supported by the DFG Priority Programme SPP 1726 “Microswimmers–From Single Particle Motion to Collective Behaviour” (HA 4382/5-1). We further acknowledge the Jülich Supercomputing Centre (JSC) and the High Performance Computing Centre Stuttgart (HLRS) for the allocation of computing time.","author":[{"first_name":"Alexander","full_name":"Sukhov, Alexander","last_name":"Sukhov"},{"full_name":"Hubert, Maxime","last_name":"Hubert","first_name":"Maxime"},{"orcid":"0000-0001-5154-417X","first_name":"Galien M","last_name":"Grosjean","id":"0C5FDA4A-9CF6-11E9-8939-FF05E6697425","full_name":"Grosjean, Galien M"},{"first_name":"Oleg","last_name":"Trosman","full_name":"Trosman, Oleg"},{"full_name":"Ziegler, Sebastian","last_name":"Ziegler","first_name":"Sebastian"},{"first_name":"Ylona","full_name":"Collard, Ylona","last_name":"Collard"},{"last_name":"Vandewalle","full_name":"Vandewalle, Nicolas","first_name":"Nicolas"},{"first_name":"Ana Sunčana","last_name":"Smith","full_name":"Smith, Ana Sunčana"},{"full_name":"Harting, Jens","last_name":"Harting","first_name":"Jens"}],"oa_version":"Published Version","year":"2021","publication_identifier":{"issn":["1292-8941"],"eissn":["1292-895X"]},"fulldoi":"https://doi.org/10.1140/epje/s10189-021-00065-2","day":"24","abstract":[{"lang":"eng","text":"The dynamics of a triangular magnetocapillary swimmer is studied using the lattice Boltzmann method. We extend on our previous work, which deals with the self-assembly and a specific type of the swimmer motion characterized by the swimmer’s maximum velocity centred around the particle’s inverse viscous time. Here, we identify additional regimes of motion. First, modifying the ratio of surface tension and magnetic forces allows to study the swimmer propagation in the regime of significantly lower frequencies mainly defined by the strength of the magnetocapillary potential. Second, introducing a constant magnetic contribution in each of the particles in addition to their magnetic moment induced by external fields leads to another regime characterized by strong in-plane swimmer reorientations that resemble experimental observations."}],"file":[{"content_type":"application/pdf","file_size":2507870,"relation":"main_file","file_name":"2021_EPJE_Sukhov.pdf","creator":"kschuh","success":1,"date_created":"2021-05-25T11:32:14Z","date_updated":"2021-05-25T11:32:14Z","file_id":"9422","access_level":"open_access","checksum":"0ef342d011afbe3c5cb058fda9a3f395"}],"date_published":"2021-04-24T00:00:00Z","scopus_import":"1","doi":"10.1140/epje/s10189-021-00065-2","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_status":"published","type":"journal_article","quality_controlled":"1","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"language":[{"iso":"eng"}],"publication":"European Physical Journal E"},{"scopus_import":"1","doi":"10.1038/s42005-020-0380-9","user_id":"ba8df636-2132-11f1-aed0-ed93e2281fdd","publication_status":"published","quality_controlled":"1","type":"journal_article","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"language":[{"iso":"eng"}],"publication":"Communications Physics","publication_identifier":{"eissn":["2399-3650"]},"project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships"}],"fulldoi":"https://doi.org/10.1038/s42005-020-0380-9","ec_funded":1,"day":"19","abstract":[{"lang":"eng","text":"When tiny soft ferromagnetic particles are placed along a liquid interface and exposed to a vertical magnetic field, the balance between capillary attraction and magnetic repulsion leads to self-organization into well-defined patterns. Here, we demonstrate experimentally that precessing magnetic fields induce metachronal waves on the periphery of these assemblies, similar to the ones observed in ciliates and some arthropods. The outermost layer of particles behaves like an array of cilia or legs whose sequential movement causes a net and controllable locomotion. This bioinspired many-particle swimming strategy is effective even at low Reynolds number, using only spatially uniform fields to generate the waves."}],"date_published":"2020-06-19T00:00:00Z","file":[{"content_type":"application/pdf","file_size":1907821,"relation":"main_file","file_name":"2020_CommunicationsPhysics_Collard.pdf","creator":"cziletti","date_created":"2020-06-29T13:21:24Z","date_updated":"2020-07-14T12:48:08Z","file_id":"8045","access_level":"open_access","checksum":"ed984f7a393f19140b5279a54a3336ad"}],"has_accepted_license":"1","department":[{"_id":"ScWa"}],"isi":1,"month":"06","ddc":["530"],"article_number":"112","date_updated":"2026-04-02T14:34:21Z","author":[{"last_name":"Collard","full_name":"Collard, Ylona","first_name":"Ylona"},{"full_name":"Grosjean, Galien M","id":"0C5FDA4A-9CF6-11E9-8939-FF05E6697425","last_name":"Grosjean","orcid":"0000-0001-5154-417X","first_name":"Galien M"},{"first_name":"Nicolas","full_name":"Vandewalle, Nicolas","last_name":"Vandewalle"}],"year":"2020","oa_version":"Published Version","oa":1,"title":"Magnetically powered metachronal waves induce locomotion in self-assemblies","intvolume":"         3","status":"public","file_date_updated":"2020-07-14T12:48:08Z","publisher":"Springer Nature","volume":3,"citation":{"short":"Y. Collard, G.M. Grosjean, N. Vandewalle, Communications Physics 3 (2020).","apa":"Collard, Y., Grosjean, G. M., &#38; Vandewalle, N. (2020). Magnetically powered metachronal waves induce locomotion in self-assemblies. <i>Communications Physics</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s42005-020-0380-9\">https://doi.org/10.1038/s42005-020-0380-9</a>","mla":"Collard, Ylona, et al. “Magnetically Powered Metachronal Waves Induce Locomotion in Self-Assemblies.” <i>Communications Physics</i>, vol. 3, 112, Springer Nature, 2020, doi:<a href=\"https://doi.org/10.1038/s42005-020-0380-9\">10.1038/s42005-020-0380-9</a>.","ista":"Collard Y, Grosjean GM, Vandewalle N. 2020. Magnetically powered metachronal waves induce locomotion in self-assemblies. Communications Physics. 3, 112.","ama":"Collard Y, Grosjean GM, Vandewalle N. Magnetically powered metachronal waves induce locomotion in self-assemblies. <i>Communications Physics</i>. 2020;3. doi:<a href=\"https://doi.org/10.1038/s42005-020-0380-9\">10.1038/s42005-020-0380-9</a>","chicago":"Collard, Ylona, Galien M Grosjean, and Nicolas Vandewalle. “Magnetically Powered Metachronal Waves Induce Locomotion in Self-Assemblies.” <i>Communications Physics</i>. Springer Nature, 2020. <a href=\"https://doi.org/10.1038/s42005-020-0380-9\">https://doi.org/10.1038/s42005-020-0380-9</a>.","ieee":"Y. Collard, G. M. Grosjean, and N. Vandewalle, “Magnetically powered metachronal waves induce locomotion in self-assemblies,” <i>Communications Physics</i>, vol. 3. Springer Nature, 2020."},"date_created":"2020-06-29T07:59:35Z","article_processing_charge":"No","external_id":{"isi":["000543328000002"]},"_id":"8036","article_type":"original"},{"oa_version":"Published Version","year":"2020","acknowledgement":"We would like to thank Philip Born, Bartosz Grzybowski, Tarik Baytekin, and Bilge Baytekin for helpful discussions.\r\nThis project has received funding from the European Unions Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 754411.","author":[{"id":"0C5FDA4A-9CF6-11E9-8939-FF05E6697425","last_name":"Grosjean","full_name":"Grosjean, Galien M","first_name":"Galien M","orcid":"0000-0001-5154-417X"},{"first_name":"Sebastian","orcid":"0000-0002-5869-1604","full_name":"Wald, Sebastian","id":"133F200A-B015-11E9-AD41-0EDAE5697425","last_name":"Wald"},{"first_name":"Juan Carlos A","full_name":"Sobarzo Ponce, Juan Carlos A","last_name":"Sobarzo Ponce","id":"4B807D68-AE37-11E9-AC72-31CAE5697425"},{"first_name":"Scott R","orcid":"0000-0002-2299-3176","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","last_name":"Waitukaitis","full_name":"Waitukaitis, Scott R"}],"article_number":"082602","date_updated":"2025-04-23T08:51:12Z","ddc":["530"],"isi":1,"month":"08","department":[{"_id":"ScWa"}],"has_accepted_license":"1","issue":"8","_id":"8101","article_type":"original","external_id":{"arxiv":["2006.07120"],"isi":["000561897000001"]},"date_created":"2020-07-07T11:33:54Z","article_processing_charge":"Yes","citation":{"ieee":"G. M. Grosjean, S. Wald, J. C. A. Sobarzo Ponce, and S. R. Waitukaitis, “Quantitatively consistent scale-spanning model for same-material tribocharging,” <i>Physical Review Materials</i>, vol. 4, no. 8. American Physical Society, 2020.","chicago":"Grosjean, Galien M, Sebastian Wald, Juan Carlos A Sobarzo Ponce, and Scott R Waitukaitis. “Quantitatively Consistent Scale-Spanning Model for Same-Material Tribocharging.” <i>Physical Review Materials</i>. American Physical Society, 2020. <a href=\"https://doi.org/10.1103/PhysRevMaterials.4.082602\">https://doi.org/10.1103/PhysRevMaterials.4.082602</a>.","mla":"Grosjean, Galien M., et al. “Quantitatively Consistent Scale-Spanning Model for Same-Material Tribocharging.” <i>Physical Review Materials</i>, vol. 4, no. 8, 082602, American Physical Society, 2020, doi:<a href=\"https://doi.org/10.1103/PhysRevMaterials.4.082602\">10.1103/PhysRevMaterials.4.082602</a>.","ista":"Grosjean GM, Wald S, Sobarzo Ponce JCA, Waitukaitis SR. 2020. Quantitatively consistent scale-spanning model for same-material tribocharging. Physical Review Materials. 4(8), 082602.","ama":"Grosjean GM, Wald S, Sobarzo Ponce JCA, Waitukaitis SR. Quantitatively consistent scale-spanning model for same-material tribocharging. <i>Physical Review Materials</i>. 2020;4(8). doi:<a href=\"https://doi.org/10.1103/PhysRevMaterials.4.082602\">10.1103/PhysRevMaterials.4.082602</a>","short":"G.M. Grosjean, S. Wald, J.C.A. Sobarzo Ponce, S.R. Waitukaitis, Physical Review Materials 4 (2020).","apa":"Grosjean, G. M., Wald, S., Sobarzo Ponce, J. C. A., &#38; Waitukaitis, S. R. (2020). Quantitatively consistent scale-spanning model for same-material tribocharging. <i>Physical Review Materials</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevMaterials.4.082602\">https://doi.org/10.1103/PhysRevMaterials.4.082602</a>"},"volume":4,"publisher":"American Physical Society","file_date_updated":"2020-08-17T15:54:20Z","arxiv":1,"status":"public","oa":1,"intvolume":"         4","title":"Quantitatively consistent scale-spanning model for same-material tribocharging","publication":"Physical Review Materials","related_material":{"record":[{"id":"12697","relation":"popular_science","status":"public"}]},"tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"language":[{"iso":"eng"}],"publication_status":"published","type":"journal_article","quality_controlled":"1","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","scopus_import":"1","doi":"10.1103/PhysRevMaterials.4.082602","file":[{"creator":"ggrosjea","success":1,"file_size":853753,"content_type":"application/pdf","file_name":"Grosjean2020.pdf","relation":"main_file","access_level":"open_access","file_id":"8277","checksum":"288fef1eeb6540c6344bb8f7c8159dc9","date_updated":"2020-08-17T15:54:20Z","date_created":"2020-08-17T15:54:20Z"}],"date_published":"2020-08-17T00:00:00Z","abstract":[{"lang":"eng","text":"By rigorously accounting for mesoscale spatial correlations in donor/acceptor surface properties, we develop a scale-spanning model for same-material tribocharging. We find that mesoscale correlations affect not only the magnitude of charge transfer but also the fluctuations—suppressing otherwise overwhelming charge-transfer variability that is not observed experimentally. We furthermore propose a generic theoretical mechanism by which the mesoscale features might emerge, which is qualitatively consistent with other proposals in the literature."}],"day":"17","fulldoi":"https://doi.org/10.1103/PhysRevMaterials.4.082602","corr_author":"1","ec_funded":1,"project":[{"_id":"260C2330-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","grant_number":"754411","name":"ISTplus - Postdoctoral Fellowships"}],"keyword":["electric charge","tribocharging","soft matter","granular materials","polymers"],"publication_identifier":{"issn":["2475-9953"]}},{"page":"5804-5809","date_published":"2019-07-15T00:00:00Z","abstract":[{"text":"When grape-sized aqueous dimers are irradiated in a microwave oven, an intense electromagnetic hotspot forms at their point of contact, often igniting a plasma. Here we show that this irradiation can result in the injection of mechanical energy. By examining irradiated hydrogel dimers through high-speed imaging, we find that they repeatedly bounce off of each other while irradiated. We determine that an average of 1 lJ of mechanical energy is injected into the pair during each collision. Furthermore, a characteristic high-pitched audio signal is found to accompany each collision.\r\nWe show that both the audio signal and the energy injection arise via an interplay between vaporization and elastic deformations in the region of contact, the so-called ‘elastic Liedenfrost effect’. Our results establish a novel, non-contact method of injecting mechanical energy into soft matter systems, suggesting application in fields such as soft robotics.","lang":"eng"}],"day":"15","fulldoi":"https://doi.org/10.1039/c9sm00756c","publication_identifier":{"issn":["1744-683X"],"eissn":["1744-6848"]},"publication":"Soft Matter","language":[{"iso":"eng"}],"quality_controlled":"1","type":"journal_article","publication_status":"published","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","doi":"10.1039/c9sm00756c","scopus_import":"1","article_type":"original","_id":"6763","external_id":{"pmid":["31305853"],"isi":["000476909200002"]},"article_processing_charge":"No","citation":{"chicago":"Khattak, Hamza K., Scott R Waitukaitis, and Aaron D. Slepkov. “Microwave Induced Mechanical Activation of Hydrogel Dimers.” <i>Soft Matter</i>. Royal Society of Chemistry, 2019. <a href=\"https://doi.org/10.1039/c9sm00756c\">https://doi.org/10.1039/c9sm00756c</a>.","ieee":"H. K. Khattak, S. R. Waitukaitis, and A. D. Slepkov, “Microwave induced mechanical activation of hydrogel dimers,” <i>Soft Matter</i>, vol. 15, no. 29. Royal Society of Chemistry, pp. 5804–5809, 2019.","short":"H.K. Khattak, S.R. Waitukaitis, A.D. Slepkov, Soft Matter 15 (2019) 5804–5809.","apa":"Khattak, H. K., Waitukaitis, S. R., &#38; Slepkov, A. D. (2019). Microwave induced mechanical activation of hydrogel dimers. <i>Soft Matter</i>. Royal Society of Chemistry. <a href=\"https://doi.org/10.1039/c9sm00756c\">https://doi.org/10.1039/c9sm00756c</a>","mla":"Khattak, Hamza K., et al. “Microwave Induced Mechanical Activation of Hydrogel Dimers.” <i>Soft Matter</i>, vol. 15, no. 29, Royal Society of Chemistry, 2019, pp. 5804–09, doi:<a href=\"https://doi.org/10.1039/c9sm00756c\">10.1039/c9sm00756c</a>.","ista":"Khattak HK, Waitukaitis SR, Slepkov AD. 2019. Microwave induced mechanical activation of hydrogel dimers. Soft Matter. 15(29), 5804–5809.","ama":"Khattak HK, Waitukaitis SR, Slepkov AD. Microwave induced mechanical activation of hydrogel dimers. <i>Soft Matter</i>. 2019;15(29):5804-5809. doi:<a href=\"https://doi.org/10.1039/c9sm00756c\">10.1039/c9sm00756c</a>"},"volume":15,"date_created":"2019-08-04T21:59:21Z","publisher":"Royal Society of Chemistry","pmid":1,"status":"public","title":"Microwave induced mechanical activation of hydrogel dimers","intvolume":"        15","oa_version":"None","year":"2019","author":[{"first_name":"Hamza K.","last_name":"Khattak","full_name":"Khattak, Hamza K."},{"orcid":"0000-0002-2299-3176","first_name":"Scott R","full_name":"Waitukaitis, Scott R","id":"3A1FFC16-F248-11E8-B48F-1D18A9856A87","last_name":"Waitukaitis"},{"full_name":"Slepkov, Aaron D.","last_name":"Slepkov","first_name":"Aaron D."}],"date_updated":"2025-07-10T11:53:49Z","month":"07","isi":1,"department":[{"_id":"ScWa"}],"issue":"29"}]