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CRYSTAL STRUCTURE OF Y_2(Fe_(0.95)Al_(0.05))_(14)B

YANG Jilian ZHANG Baisheng JIN Lan DING Yongfan YE Chuntang Institute of Atomic Energy , Beijing , ChinaYANG Yingchang SUN Hong KONG Linshu Peking University , Beijing , China YANG Jilian , Associate Professor , P.O.Box 275 , Sub 80 , Beijing 102413 , China

金属学报(英文版)

The site occupancies in permanent magnetic alloy Y_2(Fe_(0.95)Al_(0.05))_(14)B has been studied by means of neutron diffraction.The results from profile refinement show that Al enters the tetragonal structure of Nd_2Fe_(14)B and occupies the 4c and 8j_2 sites of the space group P4_2/mnm preferably.The relation between the site occupancies and the magnetic proper- ties is discussed preliminarily.

关键词: Y_2(Fe_(0.95)Al_(0.05))_(14)B , null , null , null

Y_2(Fe_(0.95)Al_(0.05))_(14)B的中子衍射研究

杨继廉 , 张百生 , 金兰 , 丁永凡 , 叶春堂 , 杨应昌 , 孙弘 , 孔麟书

金属学报

用中子衍射对永磁合金Y_2(Fe_(0.95)Al_(005))_(14)B进行了测量。结果表明:其仍为Nd_2Fe_(14)B型四角结构,空间群为P42/mnm;Al进入晶体结构之中并择优占据4c及8j_2晶位。对Al的择优占位与磁性的关系进行了初步的讨论。

关键词: #Y_2(Fe_(0.96)Al_(0.06))_(14)B , Y_2(Fe_(0.95)Al_(0.05))_(14)B

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