Low-temperature giant coercivity in Co${}_{6.2}$Ga${}_{3.8-x}$Ge${}_x$ ($x$=2.4 to 3.2)

Jiro Kitagawa, Himawari Nomura, Terukazu Nishizaki

The observation of giant coercivity exceeding 20 kOe at low temperatures in several transition-metal-based compounds has attracted significant attention from a fundamental perspect…