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Structures and magnetic properties of Fe and Ni monoatomic chains encapsulated by Au nanotube |
Han Zhi-Dong (韩志东), Li Xiu-Yan (李秀燕), Yang Zhi (杨致), Liu Rui-Ping (刘瑞萍), Liu Shao-Ding (刘绍鼎), Zhang Ying (张莹 ) |
College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China |
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Abstract Structures and magnetic properties of transition metal (TM) Fe or Ni monoatomic chains (MACs) encapsulated by Au (5, 5) nanotube (Fe@Au and Ni@Au) are investigated by using density functional theory (DFT). The calculated results show that both Fe@Au and Ni@Au prefer to adopt ferromagnetic (FM) orders as the ground states. Especially, the Fe@Au could keep the magnetic properties of free-standing Fe MAC, indicating that this system may be viewed as a new candidate in electromagnetic devices.
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Received: 01 March 2012
Revised: 12 June 2012
Accepted manuscript online:
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PACS:
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81.07.De
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(Nanotubes)
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71.15.Mb
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(Density functional theory, local density approximation, gradient and other corrections)
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71.15.Nc
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(Total energy and cohesive energy calculations)
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32.10.Dk
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(Electric and magnetic moments, polarizabilities)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11104199). |
Corresponding Authors:
Li Xiu-Yan
E-mail: lixiuyan@tyut.edu.cn
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Cite this article:
Han Zhi-Dong (韩志东), Li Xiu-Yan (李秀燕), Yang Zhi (杨致), Liu Rui-Ping (刘瑞萍), Liu Shao-Ding (刘绍鼎), Zhang Ying (张莹 ) Structures and magnetic properties of Fe and Ni monoatomic chains encapsulated by Au nanotube 2012 Chin. Phys. B 21 118102
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