Pressure Effect on Magnetism of Weak Itinerant Electron Ferromagnet Ni74.6Al25.4

被引：3
|
作者：
Yoshinaga, Soshi [1 ]
Miura, Shihou [2 ]
Kanomata, Takeshi [3 ]
Mitsui, Yoshifuru [1 ]
Koyama, Keiichi [1 ]
机构：
[1] Kagoshima Univ, Grad Sch Sci & Engn, Kagoshima 8900065, Japan
[2] Tohoku Gakuin Univ, Fac Engn, Tagajo, Miyagi 9858537, Japan
[3] Tohoku Gakuin Univ, Res Inst Engn & Technol, Tagajo, Miyagi 9858537, Japan
来源：
IEEE MAGNETICS LETTERS | 2017年 / 8卷
关键词：
Magnetism in solids; spin fluctuation; weak itinerant electron ferromagnet; pressure effect; CURIE-TEMPERATURE; NI3AL; MAGNETIZATION; PHASES;
D O I：
10.1109/LMAG.2016.2616843
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Pressure effect on the magnetic properties of intermetallic compound Ni74.6Al25.4 was investigated in pressures P up to 1.2 GPa. Spontaneous magnetic moment p(s) and Curie temperature T-C decreased linearly with applying pressure. The dp(s)/dP and dT(C)/dP were -0.995 x 10(-5) mu(B)/MPa and -4.57 x 10(-3) K/MPa, respectively. These obtained magnetic properties are analyzed on the basis of Takahashi's spin fluctuation theory for itinerant electron ferromagnets.
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页数：3
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