Uncovering altermagnetism in manganese telluride (MnTe) (IMAGE)
Caption
Figure (a) shows the crystal and spin structure of MnTe, with manganese atoms in red and blue and tellurium atoms in yellow. Figure (b) illustrates how circularly polarized light produces distinct photoelectron diffraction patterns. Left-circular polarization enhances emission from the spin-up sublattice (A), while right-circular polarization enhances emission from the spin-down sublattice (B) in the opposite direction. The resulting circular dichroism reveals the opposite spin orientations of the sublattices.
Credit
Professor Peter Krüger from Chiba University, Japan
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