Presentation Information

[P146]Magnetism and pressure effects of the Ni₂In-type ferromagnet FeCo_1-xGe

○Takato Arai¹, Yoshiya Adachi¹, Hiroaki Ono², Takeshi Kanomata², Yasushi Amako³, Tetsujirou Etou⁴, Kentarou Kitagawa⁵ (1. Yamagata Univ., 2. Tohoku Gakuin Univ., 3. Shinshu Univ., 4. Sojo Univ., 5. ISSP, The Univ. of Tokyo)

Keywords:

pressure effect,spontaneous magnetic moment,Curie temperature,Ni2In-type ferromagnet

The pressure dependences of the spontaneous magnetic moment M_s and the Curie temperature T_C were investigated for the Ni₂In-type ferromagnets FeCo_1−xGe (x = 0.2~0.5). While both M_s and T_C increase with pressure in FeNi_0.67Ge, which crystallizes in the same structure, the pressure dependences of M_s and T_C in FeCo_1−xGe are negative.

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