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Magnetic properties of tin-doped ferrites nanoparticles SnxFe3-xO4

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【Author】 LU Yanwu1), OU Yiyu1), and LIU Fangxin2)1) Department of Physics, Beijing Jiaotong University, Beijing 100044, China2) Department of Astronomy and Applied Physics, University of Science & Technology of China, Hefei 230026, China

【Abstract】 Nanoparticles of tin-doped ferrites SnxFe3-xO4 (x=0, 0.1, 0.2, 0.3, 0.4, 1.0) were prepared by the precipitation exchange method. The particles of all specimens are crystalline with mean diameter in the range of 4-8 nm, and the lattice parameters enlarge with increasing tin content. Magnetization and Mssbauer data indicate that the specimens are paramagnetic. The saturation magnetization decreases, as well as the magnetization and the coercive field increase, with increasing tin-content, the possible causes of which were discussed.

【关键词】 tin-doped ferrite； quantum composition； article-size effect； paramagnetic properties；
【Key words】 tin-doped ferrite； quantum composition； article-size effect； paramagnetic properties；
【基金】 This work was financially supported by National Natural Science Foundation of China (No. 60376014).
  • 【文献出处】 Rare Metals ,稀有金属(英文版) , 编辑部邮箱 ,2006年S1期
  • 【分类号】TB383.1
  • 【被引频次】1
  • 【下载频次】7
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