Mossbauer spectroscopy study of 57Fe in R3Fe29-xTx (R=Y, Ce, Nd, Sm, Gd, Tb and Dy; T=V and Cr)

被引：0
|
作者：
Nagamine, LCCM
Azevedo, IS
Baggio-Saitovitch, E
Rechenberg, HR
Han, XF
Lin, LY
机构：
[1] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil
[2] Univ Sao Paulo, Inst Fis, BR-05316970 Sao Paulo, Brazil
[3] Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China
来源：
MAGNETISM, MAGNETIC MATERIALS AND THEIR APPLICATIONS | 1999年 / 302-3卷
关键词：
Fe-57 Mossbauer spectra; magnetic properties; hyperfine field; R3Fe29-xTx; Fe magnetic moment;
D O I：
10.4028/www.scientific.net/MSF.302-303.289
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe-57 Mossbauer spectra for the Fe atoms in the R3Fe29-xTx (R=Y, Ce, Nd, Sm, Gd, Tb, Dy; T=V, Cr) compounds were collected at 4.2 K. The analysis of Mossbauer spectra was based on the results of magnetization and neutron powder diffraction measurements. The average Fe magnetic moments at 4.2 K, deduced from our data, are in accord with magnetization measurements. The average hyperfine field of Tb3Fe29-xCrx (x=1.0, 1.5, 2.0, and 3.0) decreases with increasing Cr concentration, which is also in accordance with the variation of the average Fe magnetic moment in the Tb3Fe29-xCrx compounds.
引用
收藏
页码：289 / 293
页数：5
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