Magnetic properties of Sm6Fe23 crystal

被引：6
|
作者：
Samata, H
Uchida, T
Shimizu, Y
Sato, S
Yashiro, SM
Nagata, Y [1 ]
机构：
[1] Aoyama Gakuin Univ, Coll Sci & Engn, Setagaya Ku, Tokyo 1578572, Japan
[2] Kobe Univ Mercantile Marine, Fac Mercantile Marine Sci, Higashinada Ku, Kobe, Hyogo 6580022, Japan
[3] Tokyo Inst Polytechn, Fac Engn, Atsugi, Kanagawa 2430297, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2001年 / 322卷 / 1-2期
关键词：
rare earth compounds; transition metal compounds; anisotropy; magnetic measurements;
D O I：
10.1016/S0925-8388(01)01174-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A single crystal of Sm6Fe23 was prepared by means of a modified self-flux method, and its crystallographic magnetic properties were studied. Sm6Fe23 has the cubic Th6Mn23-type structure (space group Fm3m) with a lattice constant of a = 1.2187 +/-0.0006 nm. The easy axis of magnetization is parallel to the < 111 > direction. Its magnetic moment per unit formula deduced from the saturation magnetization is 59 mu (B) at 5 K, a value that is consistent with the value calculated assuming ferromagnetic coupling between the Sm and Fe sublattices. The cubic anisotropy constants K, and K, estimated from the magnetization curves of the [111], [110], and [100] directions are -2.7 x 10(6) and 6.3x10(5) erg/cm(3), respectively, The anisotropy field H-A calculated from the anisotropy constants is 6.1 kOe. (C) 2001 Elsevier Science B.V. All rights reserved.
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页码：37 / 41
页数：5
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