Magnetic properties of Co-doped SnO: first-principles calculations |
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Authors: | Tan Xing-Yi Chen Chang-Le Jin Ke-Xin Cao Xian-Sheng and Xing Hui |
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Institution: | Shaannxi Key Laboratory of Condensed Matter Structures and Properties, School of Science, Northwestern Polytechnical University, Xi'an 710072, China |
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Abstract: | Based on density functional theory calculations, the electronic and magnetic properties of Co-doped SnO are investigated. It is found that the spin-polarized state, with a magnetic moment of about 1.0 μB per Co-dopant, is more favorable in energy than the non-spin-polarized state. Moreover, the origin of the ferromagnetism in Co-doped SnO is found to be the double exchange mechanism. Our results indicate that Co-doped SnO is a possible candidate of the p-type spintronics material. |
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Keywords: | dilute magnetic semiconductors p-type SnO first-principles calculations |
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