[G] スピントロニクス・ナノ磁性材料／磁気機能材料

[290] Reduction of Hysteresis in (La_1-xCe_x)_y(Mn_0.34Fe_11.06)Si_1.6 Magnetocaloric Compounds for Cryogenic Magnetic Refrigeration

*Jiawei Lai¹, Hossein Sepehri-Amin¹, Xin Tang¹, Jiangnan LI¹, Yoshitaka Matsushita¹, Tadakatsu Ohkubo¹, Akiko Saito¹, Kazuhiro Hono¹ (1. National Institute of Materials Science)

キーワード：La(Fe,Si)₁₃ based compound、magnetocaloric、hysteresis、microstructure

Thermal hysteresis of (La,Ce)(Mn,Fe,Si)₁₃ compounds for cryogenic magnetic refrigeration is reduced from 8.0 to 1.5 K by engineering distribution and magnetism of ferromagnetic secondary phases.