Phase-Transition and Magnetic Moment of the Gd3+ Ion in the Gd2Fe17 Compound

被引：0
|
作者：
Hao Yan-Ming [1 ]
Fu Bin [2 ]
Zhou Yan [3 ]
Zhao Miao [4 ]
机构：
[1] Tianjin Univ Sci & Technol, Dept Phys, Coll Sci, Tianjin 300222, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
[3] Tianjin Univ Commerce, Sch Sci, Tianjin 300134, Peoples R China
[4] NCNST, Beijing 100190, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 07期
基金：
中国国家自然科学基金;
关键词：
TIN-ORBITAL CALCULATIONS; METAL INTERMETALLICS;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The structure and magnetic phase transitions of the Gd2Fe17 compound are investigated by using a differential thermal/thermogravimetric analyzer, x-ray diffraction, and magnetization measurements. The result shows that there are two phase structures for the Gd2Fe17 compound: the hexagonal Th2Ni17-type structure at high temperatures (above 1243 degrees C), and the rhombohedral Th2Zn17-type structure, respectively. A method to measure the magnetic moments of the Gd-sublattice and the Fe-sublattice in the Gd2Fe17 compound is presented. The moments of the Gd-sublattice and the Fe-sublattice in the Gd2Fe17 compound from 77 to 500 K are measured in this way with a vibrating sample magnetometer. A detailed discussion is presented.
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页数：4
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