Experimental evidence points to altermagnetism in manganese telluride
SLAC describes a chiral signal detected with polarized X-rays at ESRF, which collaborated on the research.
TLDR
A SLAC-led team found experimental evidence that manganese telluride is an altermagnet, a proposed third magnetic phase, according to SLAC and its collaborator ESRF. The team compared how the material scattered left- and right-handed X-rays and detected a chiral signal that SLAC says a conventional antiferromagnet should not produce. Possible uses in memory devices and other electronics remain a subject for future research.
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