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Structure,magnetization, and magnetostriction of Sm-R-Fe (R=Pr,Nd) thin films

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【Author】 WANG Bowen1, 2), CAO Shuying1), WENG Ling1), HUANG Wenmei1), and SUN Ying1) 1) Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, Hebei University of Technology, Tianjin 300130, China 2) International Center for Materials Physics, Chinese Academy of Sciences, Shenyang 110015, China

【Abstract】 The structure, magnetization, and magnetostriction of Sm0.9Pr0.1Fex and Sm1?xNdxFe1.9 thin films have been in- vestigated using X-ray diffraction, vibrating sample magnetometer, and optical cantilever method. It is found that the struc- ture of Sm0.9Pr0.1Fex thin films consists of an Sm-Pr-Fe amorphous phase when x ≤ 2.69 and that of Sm1?xNdxFe1.9 thin films consists of an Sm-Nd-Fe amorphous phase. The in-plane magnetization of Sm0.9Pr0.1Fex thin films increases with increase in the Fe content, and low values of the in-plane coercivity occur in the range of 1.62 ≤ x ≤ 2.28. The magnetostriction value of Sm0.9Pr0.1Fex thin films increases with increasing the Fe content when x ≤ 1.94 and decreases when x > 1.94. The in-plane magnetostriction of Sm1?xNdxFe1.9 thin films under low magnetic fields has been improved by the substitution of Nd for Sm when x = 0.2.更多还原

【关键词】 rare earth-iron thin film； structure； magnetization； magnetostriction；
【Key words】 rare earth-iron thin film； structure； magnetization； magnetostriction；

【基金】 This study has been supported by the National Natural Science Foundation of China (Nos. 50371025, 50571034) and the Natural Science Foundation of Hebei Province, China (No. 503055)

【文献出处】 Rare Metals ,稀有金属(英文版) , 编辑部邮箱 ,2006年05期

【分类号】TB383.2
【下载频次】24

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