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P-n codoping induced enhancement of ferromagnetism in Mn-doped In2O3: A first-principles study |
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| Authors: | Wen-Yan KeShi-Fei Qi Yu-Jun ZhaoXiao-Hong Xu |
| Affiliation: | a School of Chemistry and Materials Science, Shanxi Normal University, Linfen 041004, People''s Republic of China b Department of Physics, South China University of Technology, Guangzhou 510640, People''s Republic of China |
| Abstract: | We have performed first-principles density functional theory calculation in order to investigate the feasibility of “p-n codoping method” in improving magnetic property of In2O3 based diluted magnetic semiconductors. We find that the ferromagnetic state is favored in Mn-doped In2O3, and Sn doping can increase magnetic moment in Mn-doped In2O3. These findings are in line with our earlier experimental observation. Along with previous works, we now have enough evidences to support that p-n codoping is a valid method to improve magnetism of oxides based diluted magnetic semiconductors. |
| Keywords: | Diluted magnetic semiconductors First-principles calculation p-n codoping Ferromagnetic stability |
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