Magnetic phase transitions in FeCrBSi alloys

被引：6
|
作者：
Kyprianidis, IM
Achilleos, CA
Tsoukalas, IA
Bremers, H
Hesse, J
机构：
[1] UNIV THESSALONIKI, DEPT INFORMAT, GR-54006 THESSALONIKI, GREECE
[2] TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG, INST MET PHYS & NUKL FESTKORPERPHYS, D-38106 BRAUNSCHWEIG, GERMANY
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1996年 / 161卷
关键词：
D O I：
10.1016/S0304-8853(96)00031-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied the magnetic phase transitions of semi: iron-rich FeCrSiB alloys in both the amorphous and crystalline states, and have determined the critical exponents gamma*(T), gamma(c) and beta(c). We used a vibrating sample magnetometer for the magnetization measurements, and Fe-57 Mossbauer spectroscopy to characterize the solid state of the alloys. The maximum values of gamma*(T) are higher for the crystalline than for the amorphous state. For the crystalline alloys, a decrease in the maximum gamma*(T) values is observed as the Cr concentration is increased, which corresponds to a decrease in the mean hyperfine field at the Fe nuclei.
引用
收藏
页码：203 / 208
页数：6
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