| 拓扑指数与掺杂铁基砷化物超导电性的关系 |
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| 引用本文： | 赵懂叶,孙爱民,艾小倩,刘恒伟,鲁彦忠,马耀通.拓扑指数与掺杂铁基砷化物超导电性的关系[J].低温与超导,2011,39(10):40-43. |
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| 作者姓名： | 赵懂叶 孙爱民 艾小倩 刘恒伟 鲁彦忠 马耀通 |
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| 作者单位： | 西北师范大学物理与电子工程学院,兰州730070;甘肃省原子分子物理与功能材料重点实验室,兰州730070 |
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| 摘 要： | 构建了电性连接线指数mF和价电子能级连接性指数mE；计算了掺杂铁基砷化物体系的0级拓扑指数0F和0E；发现与超导转变温度T之间有良好的规律性.据此,文中提出以电性连接性指数mF和价电子能级连接性指数mE作为掺杂铁基砷化物体系超导电性的判据.
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| 关 键 词： | 拓扑指数 掺杂铁基砷化物 超导电性 |
The relationship between doping rare-earth iron oxyarsenides superconductivity and topological index ~mF and ~mE |
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| Zhao Dongye,Sun Aimin,Ai Xiaoqian,Liu Hengwei,Lu Yanzhong,Ma Yaotong.The relationship between doping rare-earth iron oxyarsenides superconductivity and topological index ~mF and ~mE[J].Cryogenics and Superconductivity,2011,39(10):40-43. |
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| Authors: | Zhao Dongye Sun Aimin Ai Xiaoqian Liu Hengwei Lu Yanzhong Ma Yaotong |
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| Institution: | Zhao Dongye1,2,Sun Aimin1,Ai Xiaoqian1,Liu Hengwei1,Lu Yanzhong1,Ma Yaotong1,2 (1.College of Physics and Electronic Engineering of Northwest Normal University,Lanzhou 730070,China,2.Key Laboratory of Atomic and Molecular Physics and Functional Materrials of Gansu Province,China) |
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| Abstract: | The electronegativity index mF and the valence electron energy level binding mE were build up.The zero topologital indexes 0F and 0E of doping rare-earth iron oxyarsenides were calculated.The correlation between topological indexes mF and mE and the superconductivity of doping rare-earth iron oxyarsenides was rerearched in this paper.It was found that the topological indexes mF and mE have a good regulation with the superconducting transition temperature T_c.At the same time we found that the topologital in... |
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| Keywords: | Topological index mF and mE Iron-based arsenide Transition temperature T_c |
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