Magnetic properties in zinc-blende CdS induced by Cd vacancies |
| |
| Authors: | Jian-Ping Tang Ling-ling Wang Hai-Jun Luo Wen-Zhi Xiao |
| |
| Affiliation: | 1. School of Physics and Microelectronics and Key Lab for Micro-Nano Physics and Technology of Hunan Province, Hunan University, Changsha 410082, China;2. Department of Physics and Electronics Science, Hengyang Normal University, Hengyang 422008, China;3. Department of Physics, Wenzhou University, Wenzhou 325027, China;4. Department of Physics and Mathematics, Hunan Institute of Engineering, Xiangtan 411104, China |
| |
| Abstract: | The magnetic property induced by neutral Cd and S vacancies in CdS bulk and thin film are investigated, using first principles simulation. For bulk CdS, the magnetism originates from Cd, instead of S, vacancies. The ferromagnetism with a Curie temperature above room temperature can be expected. For CdS thin film, both Cd and S vacancies does not yield any magnetism at the (111) surface, while local magnetic moments at the outermost S plane of the (001) surface is ascribed to the surface effect. The ferromagnetism at S-terminated (001) surface can account for the experimental observation. |
| |
| Keywords: | Magnetic property Zinc-blende CdS Cd vacancy First principles |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
