| 稀土化合物RCuAs_2(R=Ce,Pr,Nd,Tb)的晶场效应研究 |
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| 引用本文： | 袁延忠,李玉山,王海英,路庆凤.稀土化合物RCuAs_2(R=Ce,Pr,Nd,Tb)的晶场效应研究[J].河南师范大学学报(自然科学版),2006,34(3):71-74. |
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| 作者姓名： | 袁延忠 李玉山 王海英 路庆凤 |
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| 作者单位： | 河南师范大学,物理与信息工程学院,河南,新乡,453007 |
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| 基金项目： | 河南省教育厅自然科学基金 |
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| 摘 要： | 通过对稀土化合物RCuAs2(R=Ce,Pr,Nd,Tb)的磁化率倒数—温度曲线的晶场模拟,得到了该系列化合物的晶场系数和晶场分裂能.并从理论上分析了晶场效应对化合物磁性的影响,计算结果与实验获得了较好的吻合.
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| 关 键 词： | CeCuAs2 PrCuAs2 NdCuAs2 TbCuAs2 磁化率 晶场效应 |
| 文章编号： | 1000-2367(2006)03-0071-04 |
| 收稿时间： | 2005-07-01 |
| 修稿时间： | 2005年7月1日 |
The Crystalline Electric Field Effect of Rare Earth Compounds RCuAs2 (R=Ce,Pr,Nd,Tb) |
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| YUAN Yan-zhong,LI Yu-shan,WANG Hai-ying,LU Qing-feng.The Crystalline Electric Field Effect of Rare Earth Compounds RCuAs2 (R=Ce,Pr,Nd,Tb)[J].Journal of Henan Normal University(Natural Science),2006,34(3):71-74. |
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| Authors: | YUAN Yan-zhong LI Yu-shan WANG Hai-ying LU Qing-feng |
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| Institution: | College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007,China |
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| Abstract: | In this paper,we obtain the crystalline electric field(CEF) parameters and the CEF splitting levels for rare earth compounds RCuAs_2 through simulating the temperature dependence of the inverse magnetic susceptibility by taking into account the effect of CEF.Then the influence of CEF on magnetism was discussed theoretically.The calculated results are in good agreement with the experimental data. |
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| Keywords: | CeCuAs_2 PrCuAs_2 NdCuAs_2 TbCuAs_2 magnetic susceptibility crystalline electric field(CEF) effect |
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