Scanning tunneling spectroscopy of a magnetic atom on graphene in the Kondo regime
文献类型：期刊论文
| 作者 | Zhuang, HB ; Sun, QF ; Xie, XC |
| 刊名 | EPL
 |
| 出版日期 | 2009 |
| 卷号 | 86期号:5 |
| 关键词 | QUANTUM DOTS EQUILIBRIUM IMPURITIES |
| ISSN号 | 0295-5075 |
| 通讯作者 | Zhuang, HB (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | The Kondo effect in the system consisting of a magnetic adatom on the graphene is studied. By using the non-equilibrium Green function method with the slave-boson mean-field approximation, the local density of state (LDOS) and the conductance are calculated. For a doped graphene, the Kondo phase is present at all time. Surprisingly, two kinds of Kondo regimes are revealed. But for the undoped graphene, the Kondo phase only exists if the adatom's energy level is beyond a critical value. The conductance is similar to the LDOS, thus, the Kondo peak in the LDOS can be observed with the scanning tunneling spectroscopy. In addition, in the presence of a direct coupling between the STM tip and the graphene, the conductance may be dramatically enhanced, depending on the coupling site. Copyright (C) EPLA, 2009 |
| 收录类别 | SCI |
| 资助信息 | NSF-China [10525418, 10734110]; National Basic Research Program of China [2009CB929103]; US-DOE [DE-FG02-04ER46124] |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/52337]  |
| 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 | Zhuang, HB,Sun, QF,Xie, XC. Scanning tunneling spectroscopy of a magnetic atom on graphene in the Kondo regime[J]. EPL,2009,86(5). |
| APA | Zhuang, HB,Sun, QF,&Xie, XC.(2009).Scanning tunneling spectroscopy of a magnetic atom on graphene in the Kondo regime.EPL,86(5). |
| MLA | Zhuang, HB,et al."Scanning tunneling spectroscopy of a magnetic atom on graphene in the Kondo regime".EPL 86.5(2009). |
入库方式： OAI收割
来源：物理研究所
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