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题名: Synthesis Characterization and Magnetic Properties of the La0.7-xSmPbMnO Manganites
作者: Chen, H. Z.;Horng, Lance;Chen, Y. C.;Shi, J. B.;Young, S. L.
贡献者: 物理學系
关键词: Mixed-valence manganite;Rhombohedral;Orthorhombic;Spin-coupling
日期: 2003-05
上传时间: 2013-02-05T02:18:19Z
出版者: Elsevier
摘要: The magnetic and transport properties of mixed-valence manganites La0.7−xSmxPb0.3MnO3 (x=0,0.1 and 0.3) are investigated. The x=0 phase is indexed in a rhombohedral structure while the rest exhibit orthorhombic symmetry (Pnma). The increase of x causes a decrease in the spin–coupling interaction between the moments of Mn. Hence, the decrease of ferromagnetic transition temperature from 321 to and the saturation magnetization from 80.36 to can be affected by the substitution of La by Sm.
關聯: Physica B: Condensed Matter, 329-333: 727-728
显示于类别:[物理學系] 期刊論文

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