MAGNETIC-ANISOTROPY AND 1ST-ORDER MAGNETIZATION PROCESSES IN SM(FE1-XCOX)10TI2, SM(FE1-XCOX)10SI2 COMPOUNDS

被引：30
作者：
SOLZI, M
XUE, RH
PARETI, L
机构：
[1] Istituto MASPEC, C.N.R., 43100 Parma
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1990年 / 88卷 / 1-2期
关键词：
D O I：
10.1016/S0304-8853(97)90009-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Sm(Fe1-xCox)10.8Ti1.2 and Sm(Fe1-xCox)10Si2 compounds with tetragonal ThMn12 structure were studied by using the SPD technique in order to investigate temperature and composition behavior of both magnetocrystalline anisotropy and First-Order Magnetization Process (FOMP). The substitution of Co for Fe affects the magnetic properties in the following manner: (1) It enhances the Curie temperature, in a way which is slightly different for the Ti and Si systems. (2) It produces a rapid decrease of the overall axial anisotropy, leading to a change of the sign of the anisotropy, that is to easy plane systems. This effect is quantitatively different for the two systems; furthermore, a comparison with Y(Fe1-xCox)10.8Ti1.2 gives indications for a strong indirect influence of Co on the Sm anisotropy. (3) It decreases both the HCR values and the onset temperatures of the type II FOMP. © 1990.
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页码：44 / 50
页数：7
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