NEUTRON DEPOLARIZATION STUDIES ON REENTRANT SPIN-GLASS AUFE ALLOY

被引：23
|
作者：
MITSUDA, S
YOSHIZAWA, H
WATANABE, T
ITOH, S
ENDOH, Y
MIREBEAU, I
机构：
[1] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN
[2] CENS,LAB LEON BRILLOUIN,F-91191 GIF SUR YVETTE,FRANCE
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1991年 / 60卷 / 05期
关键词：
REENTRANT SPIN GLASS; NEUTRON DEPOLARIZATION; MAGNETIC INHOMOGENEITIES;
D O I：
10.1143/JPSJ.60.1721
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Neutron depolarization measurements from reentrant spin glass (RSG) alloys of Au1-xFe(x) (x = 0.16 and 0.19) were performed to investigate magnetic properties of mesoscopic inhomogeneity. The wavelength dependence of the depolarization below RSG temperature, T(g), suggests that ferromagnetic long range order coexists in the RSG phase, which is consistent with the Gabay-Toulouse model. The present experiment also demonstrates that the averaged spontaneous magnetization over a mesoscopic scale shows unusual decrease with decreasing temperature, which appears well above T(g).
引用
收藏
页码：1721 / 1729
页数：9
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