Heusler alloy

[ hyoos-ler; German hois-luh r ]
/ ˈhyus lər; German ˈhɔɪs lər /

noun

any of various alloys of manganese and other nonferromagnetic metals that exhibit ferromagnetism.

Origin of Heusler alloy

named after Conrad Heusler, 19th-century German mining engineer and chemist