MAGNETIC PROPERTIES OF R 3(Fe, Mo) 29 N x (R=Sm OR Y) INTERSTITIAL NITRIDES |
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| Authors: | Pan Hongge |
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| Affiliation: | Pan Hongge Department of Materials Science and Engineering,Zhejiang University,Hangzhou 310027,P. R. China |
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| Abstract: | R 3(Fe,Mo) 29 N x (R=Sm or Y) nitrides have been synthesized by gas phase reaction under an atmosphere of nitrogen. The nitrides retain the structure of parent compounds. The unit cell volume of the nitride is 4.7% for Sm 3(Fe,Mo) 29 N x compound and 5.3% for Y 3(Fe,Mo) 29 N x compound greater than that of corresponding parent. Introduction of nitrogenation leads to an increase of Curie temperatures T C and saturation magnetization, and the Sm 3(Fe,Mo) 29 N x nitride exhibits uniaxial anisotropy with an anisotropy of 20.5 T at 4.2 K and 14.6 T at 300 K. |
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| Keywords: | magnetic properties rare earth transition metal compounds gas phase reaction Curie temperature |
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