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MIT's light-activated antiferromagnetic memory could replace today's ferromagnets
The research team, led by physics professor Nuh Gedik, concentrated on a material called FePS₃, a type of antiferromagnet that transitions to a non-magnetic state at around...
The research team, led by physics professor Nuh Gedik, concentrated on a material called FePS₃, a type of antiferromagnet that transitions to a non-magnetic state at around -247°F. While this property makes antiferromagnets highly resistant to stray magnetic influences – an advantage for secure data storage – it also creates challenges in intentionally switching them between "0" and "1" states for computing. The team's innovative approach involved cooling a FePS₃ sample below its transition temperature and then blasting it with a carefully tuned terahertz laser pulse.
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