A double-quantum-well model of the exchange coupling in Fe/ZnSe/Fe
文献类型：期刊论文
| 作者 | Hu, ZN ; Wang, JZ ; Li, BZ |
| 刊名 | JOURNAL OF PHYSICS-CONDENSED MATTER
 |
| 出版日期 | 2001 |
| 卷号 | 13期号:11页码:L215 |
| 关键词 | FE/SI MULTILAYERS MAGNETIC MULTILAYERS FE/FESI MULTILAYERS 2 FERROMAGNETS LAYER SANDWICHES SPACERS SEMICONDUCTOR THICKNESS STATES |
| ISSN号 | 0953-8984 |
| 通讯作者 | Hu, ZN: Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China. |
| 中文摘要 | In this letter, we investigate the interlayer exchange coupling between two finitely thick ferromagnets (FM), separated by a non-metallic spacer, taking into account the contributions from double-well states. It is found that the negative temperature coefficient of the exchange coupling can be explained by the resonant tunnelling between two FM wells, whereas the positive temperature coefficient for the antiferromagnetic coupling can be attributed to non-resonant tunnelling. Our calculation of the electronic structure indicates that this temperature dependence is related to the relative magnitudes of the densities of states close to the Fermi surface for the cases of parallel and antiparallel alignments of the FMs. Also, the present model provides us with a new physical explanation for recent experimental observations. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/32885]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Hu, ZN,Wang, JZ,Li, BZ. A double-quantum-well model of the exchange coupling in Fe/ZnSe/Fe[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2001,13(11):L215. |
| APA | Hu, ZN,Wang, JZ,&Li, BZ.(2001).A double-quantum-well model of the exchange coupling in Fe/ZnSe/Fe.JOURNAL OF PHYSICS-CONDENSED MATTER,13(11),L215. |
| MLA | Hu, ZN,et al."A double-quantum-well model of the exchange coupling in Fe/ZnSe/Fe".JOURNAL OF PHYSICS-CONDENSED MATTER 13.11(2001):L215. |
入库方式： OAI收割
来源：物理研究所
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