altermagnetic crystal (IMAGE)
Caption
Altermagnetic crystal: not only the directions of spin polarization (in magenta and cyan) alternate on neighboring magnetic atoms, but also the atomic shapes themselves – as shown by tilting the dumbbell-shaped electron densities in two different directions. The blue beamline illustrates the photoemission experiment on a synchrotron that was used to demonstrate altermagnetism.
Credit
ill./©: Libor Šmejkal und Anna Birk Hellenes / JGU
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License
CC BY-NC-ND