README — Experimental data underpinning
"Magneto-optical Kerr effect in an A-type antiferromagnet"

This archive contains the numerical data used to generate experimental figures
in the associated manuscript.

Units:
- Magnetic field: Tesla (T)
- Optical rotation signals: milliradians (mRad)
- Spatial coordinates: micrometers (µm)

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File: Fig2a_optics.dat
Description:
Optical rotation (RCD) hysteresis curves used in Fig. 2a. The substrate signal
should be subtracted from the RCD_down and RCD_up signals to reproduce Fig. 2a.

Columns:
1  H [T]                    Applied magnetic field
2  RCD_down [mRad]          RCD signal during decreasing field sweep
3  RCD_up [mRad]            RCD signal during increasing field sweep
4  RCD_substrate [mRad]     RCD signal measured on the substrate

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File: Fig2a_magnetization.dat
Description:
Bulk magnetization data used in Fig. 2a.

Columns:
1  H [T]                    Applied magnetic field
2  M [μB/Mn]                Magnetization per Mn ion

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File: Fig2b_map1.dat
Description:
Spatial map of the RCD signal used in Fig. 2b (first cooldown).

Columns:
1  X [µm]                   Position along x
2  Y [µm]                   Position along y
3  RCD [mRad]               Optical rotation signal

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File: Fig2b_map2.dat
Description:
Spatial map of the RCD signal used in Fig. 2b (second cooldown).

Columns:
1  X [µm]                   Position along x
2  Y [µm]                   Position along y
3  RCD [mRad]               Optical rotation signal

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File: Fig3a.dat
Description:
Wavelength dependence of the RCD signal used in Fig. 3a.

Columns:
1  Wavelength [nm]              Optical wavelength
2  RCD_jump [mRad]              Field-induced RCD jump
3  RCD_jump_err [mRad]          Uncertainty of the jump
4  RCD_hysteresis [mRad]        Hysteretic component of the RCD
5  RCD_hysteresis_err [mRad]    Uncertainty of the hysteresis

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License:
These data are distributed under the Creative Commons Attribution 4.0
International License (CC BY 4.0).

Users are free to reuse and redistribute the data provided appropriate
credit is given to the authors and the associated publication.