STRUCTURAL AND MAGNETIC-PROPERTIES OF LAFE13-XSIX NITRIDES

被引:20
作者
TANG, ZX
DENG, XH
HADJIPANAYIS, GC
PAPAEFTHYMIOU, V
SELLMYER, DJ
机构
[1] UNIV NEBRASKA,DEPT PHYS & ASTRON,LINCOLN,NE 68588
[2] UNIV IOANNINA,DEPT PHYS,IOANNINA,GREECE
关键词
D O I
10.1109/20.281070
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
LAFe13-xSix compounds were found to have two types of crystal structure; the face-centered cubic NaZn13-type (x less-than-or-equal-to 2.4) and the body-centered tetragonal Ce2Ni17Si9-type (3.5 less-than-or-equal-to x less-than-or-equal-to 5.0). Nitrogenation has a strong effect on the cubic phase, including a large lattice expansion (6.2 to 10.8 %), an increase of Curie temperature (52 to 80 K) and spontaneous magnetization (approximately 10 %). The tetragonal phase, however, was not significantly affected by the nitrogenation.
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收藏
页码:2839 / 2841
页数:3
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