Spin wave detective story redux: Researchers find more surprising behavior in a 2-D magnet

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(Funded by the National Institute of Standards and Technology, the National Science Foundation and the U.S. Department of Energy)

On Feb. 18, 2020, a team of scientists from the National Institute of Standards and Technology reported something surprising about a 2-D magnetic material: Behavior that had long been presumed to be due to vibrations in the lattice—the internal structure of the atoms in the material itself—is actually due to a wave of spin oscillations. This week, the same group describes another surprise finding in a different 2-D magnetic material: Behavior presumed to be due to a wave of spin oscillations is actually due to vibrations in the lattice.