Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering
Tenhuisen SFR, Pan GA, Song Q, Baykusheva DR, Ferenc Segedin D, Goodge BH, Paik H, Pelliciari J, Bisogni V, Gu Y, Agrestini S, Nag A, García-Fernández M, Zhou KJ, Kourkoutis LF, Brooks CM, Mundy JA, Dean MPM, Mitrano M. 2025. Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. Physical Review B. 111(16), 165145.
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Author
Tenhuisen, Sophia F.R.;
Pan, Grace A.;
Song, Qi;
Baykusheva, Denitsa RangelovaISTA;
Ferenc Segedin, Dan;
Goodge, Berit H.;
Paik, Hanjong;
Pelliciari, Jonathan;
Bisogni, Valentina;
Gu, Yanhong;
Agrestini, Stefano;
Nag, Abhishek
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All
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Abstract
Magnetic interactions are thought to play a key role in the properties of many unconventional superconductors, including cuprates, iron pnictides, and square-planar nickelates. Superconductivity was also recently observed in the bilayer and trilayer Ruddlesden-Popper nickelates, the electronic structure of which is expected to differ from that of cuprates and square-planar nickelates. Here we study how electronic structure and magnetic interactions evolve with the number of layers, 𝑛, in thin film Ruddlesden-Popper nickelates Nd𝑛+1Ni𝑛O3𝑛+1 with 𝑛=1,3, and 5 using resonant inelastic x-ray scattering (RIXS). The RIXS spectra are consistent with a high-spin |3𝑑8 𝐿̲⟩ electronic configuration, resembling that of La2−𝑥Sr𝑥NiO4 and the parent perovskite, NdNiO3. The magnetic excitations soften to lower energy in the structurally self-doped, higher-𝑛 films. Our observations confirm that structural tuning is an effective route for altering electronic properties, such as magnetic superexchange, in this prominent family of materials.
Publishing Year
Date Published
2025-04-15
Journal Title
Physical Review B
Publisher
American Physical Society
Acknowledgement
Work by S.F.R.T., D.R.B., J.P., V.B., M.P.M.D., and M.M. was supported by the U.S. Department of Energy (DOE), Division of Materials Science, under Contract No. DE-SC0012704. G.A.P. and D.F.S. are primarily supported by the DOE, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Grant No. DE-SC0021925, and by NSF Graduate Research Fellowship Grant No. DGE-1745303. S.F.R.T. acknowledges additional support from the DOE, Office of Science, Office of Workforce Development for Teachers and Scientists, Office of Science Graduate Student Research (SCGSR) program. The SCGSR program is administered by the Oak Ridge Institute for Science and Education for the DOE under Contract No. DE-SC0014664. G.A.P. acknowledges additional support from the Paul and Daisy Soros Fellowship for New Americans. Q.S. was supported by the Science and Technology Center for Integrated Quantum Materials, NSF Grant No. DMR-1231319. B.H.G and L.F.K. acknowledge support by PARADIM, NSF Grant No. DMR-2039380. J.A.M. acknowledges support from the DOE, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Grant No. DE-SC0021925. Materials growth and electron microscopy were supported by PARADIM under NSF Cooperative Agreement Grant No. DMR-2039380. Electron microscopy made use of the Cornell Center for Materials Research Shared Facilities. The Thermo Fisher Spectra 300 X-CFEG was acquired with support from PARADIM, an NSF Materials Innovation Platforms (Grant No. DMR-2039380), and Cornell University. The FEI Titan Themis 300 was acquired through Grant No. NSF-MRI-1429155, with additional support from Cornell University, the Weill Institute, and the Kavli Institute at Cornell University. The Thermo Fisher Helios G4 UX FIB was acquired with support by NSF Grant No. DMR-1539918. This research used beamline 2-ID of the National Synchrotron Light Source II, a DOE Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory under Contract No. DE-SC0012704. We acknowledge Diamond Light Source for time on Beamline I21 under Proposal No. MM27484.
Volume
111
Issue
16
Article Number
165145
ISSN
eISSN
IST-REx-ID
Cite this
Tenhuisen SFR, Pan GA, Song Q, et al. Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. Physical Review B. 2025;111(16). doi:10.1103/PhysRevB.111.165145
Tenhuisen, S. F. R., Pan, G. A., Song, Q., Baykusheva, D. R., Ferenc Segedin, D., Goodge, B. H., … Mitrano, M. (2025). Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. Physical Review B. American Physical Society. https://doi.org/10.1103/PhysRevB.111.165145
Tenhuisen, Sophia F.R., Grace A. Pan, Qi Song, Denitsa Rangelova Baykusheva, Dan Ferenc Segedin, Berit H. Goodge, Hanjong Paik, et al. “Magnetic Excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper Nickelates Observed via Resonant Inelastic x-Ray Scattering.” Physical Review B. American Physical Society, 2025. https://doi.org/10.1103/PhysRevB.111.165145.
S. F. R. Tenhuisen et al., “Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering,” Physical Review B, vol. 111, no. 16. American Physical Society, 2025.
Tenhuisen SFR, Pan GA, Song Q, Baykusheva DR, Ferenc Segedin D, Goodge BH, Paik H, Pelliciari J, Bisogni V, Gu Y, Agrestini S, Nag A, García-Fernández M, Zhou KJ, Kourkoutis LF, Brooks CM, Mundy JA, Dean MPM, Mitrano M. 2025. Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. Physical Review B. 111(16), 165145.
Tenhuisen, Sophia F. R., et al. “Magnetic Excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper Nickelates Observed via Resonant Inelastic x-Ray Scattering.” Physical Review B, vol. 111, no. 16, 165145, American Physical Society, 2025, doi:10.1103/PhysRevB.111.165145.
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