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《Chinese Journal of Rare Metals》 2008-01
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Magnetic Property of Manganite La_(0.5)Dy_(0.2)Sr_(0.3)MnO_3 Doped with Double Rare-Earth

Wang Wenqi1,Peng Zhensheng1,2,Yan Guoqing1,Mao Qiang1(1.Anhui Key Laboratory of Spintranics and Nanomaterials,Suzhou College,Suzhou 234000,China;2.Structure Research Laboratoty,Science and Technology University of China,Hefei 230026,China)  
The sample La0.5Dy0.2Sr0.3MnO3 was prepared by solid-state reaction,and its magnetic properties were studied through the measurement of M-T curves,M-H curves and ESR curves of the sample.The results showed that the sample La0.5Dy0.2Sr0.3MnO3 transformed from paramagnetic phase to ferromagnetic phase at TC,and when TTC,it was in the glass state of cluster-spin,the sample showed the ferrimagnetism;but if the temperature was higher than TC,the phase separation occurred;a smart peak of magnetization strength caused by the rotation of La(Dy) sub-lattice magnetic domain was observed near by TN in the M-T curves.
【Fund】: 国家自然科学基金重点项目(19934003);; 安徽省教育厅自然科学研究计划项目(2004Kj331);; 安徽省高等学校自然科学研究项目(2005KJ234);; 安徽省高等学校自然科学研究项目(2006kj266B);; 宿州学院教授(博士)科研启动基金项目(2006jb02)
【CateGory Index】: O482.5
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