Magnetic properties of the field-induced ferromagnetic state in MnSi

被引：26
|
作者：
Chattopadhyay, M. K. [1 ]
Arora, Parul [1 ]
Roy, S. B. [1 ]
机构：
[1] Raja Ramanna Ctr Adv Technol, Magnet & Supercond Mat Sect, Indore 452013, Madhya Pradesh, India
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2009年 / 21卷 / 29期
关键词：
CRITICAL-BEHAVIOR; PHASE-TRANSITION; CRITICAL-POINT; HIGH-PRESSURE; METAMAGNETIC TRANSITION; EQUATION; NICKEL; TEMPERATURE; ELECTRON; ALLOYS;
D O I：
10.1088/0953-8984/21/29/296003
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present results of dc magnetization measurements focusing on the magnetic properties of the field-induced ferromagnetic state in MnSi. The temperature dependence of saturation magnetization in this ferromagnetic state exhibits the signatures of both spin wave excitations and itinerant electron ferromagnetism. The Arrott plots obtained from the isothermal field dependence of magnetization, however, are found to be distinctly nonlinear and hence cannot be explained within a simple framework of itinerant electron magnetism.
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页数：5
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