Magnetocrystalline anisotropy of Nd3(Fe1-xCox)27.7Ti1.3Ny compounds

被引：0
|
作者：
Sheloudko, N. [2 ]
Safaridis, C.
Gjoka, M. [3 ]
Mikhov, M. [2 ]
Kalogirou, O. [1 ]
机构：
[1] Aristotle Univ Thessaloniki, Dept Phys, Phys Lab 3, Thessaloniki 54124, Greece
[2] St Kl Ohridski Univ Sofia, Fac Phys, Sofia 1164, Bulgaria
[3] NCSR Demokritos, Inst Mat Sci, Athens 15310, Greece
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 458卷 / 1-2期
关键词：
interstitial alloys; anisotropy; magnetic measurements;
D O I：
10.1016/j.jallcom.2007.03.148
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：
The effect of Co substitution for Fe in Nd (Fe1-xCox)(27.7)Ti1.3Ny (0 <= x <= 0.4) compounds on the magnetocrystalline anisotropy has been investigated. The anisotropy constants K's and the anisotropy field H-A have been deduced from the magnetization curves measured on magnetically aligned powder (4-7 mu m) samples. The obtained results show that at RT the anisotropy is uniaxial and H-A (about 10 T) does not change substantially upon the substitution. At 5 K the results for K's give evidence for the presence of easy-cone-type anisotropy. The cone angle as well as the anisotropy field decrease upon the substitution from 21.6 degrees to 11.8 degrees and from 22.8 to 18.6 T, respectively. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：37 / 40
页数：4
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