Magnetic properties of Sm-substituted M-type ferrite

被引：0
|
作者：
Blanco, JCT [1 ]
Grössinger, R [1 ]
Müller, M [1 ]
Wiesinger, MKG [1 ]
Küpferling, M [1 ]
Wang, JF [1 ]
Ponton, CB [1 ]
Harris, IR [1 ]
机构：
[1] Vienna Univ Technol, Inst Solid State Phys, A-1040 Vienna, Austria
来源：
RARE EARTH MAGNETS AND THEIR APPLICATIONS | 2002年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
M-type ferrites of the composition Sr-xSmxFe12-xO(19) were produced by hydrothermal synthesis. The anisotropy and the coercivity increase slightly with Sm substitution (up to x = 0.25). The temperature dependence of HA looks very similar to that of the unsubstituted material. The Mossbauer parameters like the hyperfine field and the quadrupolsplitting stay constant with Sm substitution Also, the magnetization at room temperature is not affected by the replacement of Sr by Sm.
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页码：192 / 199
页数：8
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