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Optical storage

Antiferromagnets see the rainbow

Antiferromagnets are considered mysterious due to their lack of macroscopic magnetization. Researchers have now found a way to manipulate their magnetic ordering using different wavelengths of light.

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Figure 1: Schematic diagram showing switching process for TbMnO3.

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Correspondence to Richard F. L. Evans.

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Evans, R. Antiferromagnets see the rainbow. Nature Photon 10, 622–623 (2016). https://doi.org/10.1038/nphoton.2016.192

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