Hole mediated magnetism in Mn-doped GaN nanowires | |
Li JB | |
刊名 | journal of applied physics |
2011 | |
卷号 | 109期号:7页码:article no.74313 |
关键词 | MOLECULAR-BEAM EPITAXY ROOM-TEMPERATURE QUANTUM WIRES SEMICONDUCTORS FERROMAGNETISM FIELD GAMNN |
ISSN号 | 0021-8979 |
通讯作者 | zhang, xw, chinese acad sci, state key lab superlattices & microstruct, inst semicond, pob 912, beijing 100083, peoples r china. xiajb@red.semi.ac.cn |
学科主题 | 半导体物理 |
收录类别 | SCI |
资助信息 | national natural science foundation [60521001, 60525405]; national basic research program of china [2011cb922200] |
语种 | 英语 |
公开日期 | 2011-07-05 ; 2011-07-15 |
附注 | the hole-mediated magnetism in mn-doped gan nanowires is investigated using the k (.) p method and the mean-field model. the curie temperature (t-c) as a function of the hole density p can be explained based on the calculated band structure of the nanowires. for low mn concentration, t-c vs. p shows many peaks stem from the peaks of the one-dimensional density of states. when the mn concentration is increased, t-c is enhanced, and the peaks of t-c versus p are fully merged by the thermal distribution of the holes in the valence band. it is found that the curie temperature in mn-doped gan wire can be higher than room temperature, in agreement with experiment [song et al., j. phys.: condens. matter 17, 5073 (2005)]. the ferromagnetism in mn-doped gan wire is slightly anisotropic due to the small spin-orbit coupling. (c) 2011 american institute of physics. [doi: 10.1063/1.3555092] |
内容类型 | 期刊论文 |
源URL | [http://ir.semi.ac.cn/handle/172111/20861] |
专题 | 半导体研究所_半导体超晶格国家重点实验室 |
推荐引用方式 GB/T 7714 | Li JB. Hole mediated magnetism in Mn-doped GaN nanowires[J]. journal of applied physics,2011,109(7):article no.74313. |
APA | Li JB.(2011).Hole mediated magnetism in Mn-doped GaN nanowires.journal of applied physics,109(7),article no.74313. |
MLA | Li JB."Hole mediated magnetism in Mn-doped GaN nanowires".journal of applied physics 109.7(2011):article no.74313. |
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