Three Dimensionality and Orbital Characters of the Fermi Surface in (Tl, Rb)(y)Fe2-xSe2
文献类型：期刊论文
| 作者 | Liu, ZH ; Richard, P ; Xu, N ; Xu, G ; Li, Y ; Fang, XC ; Jia, LL ; Chen, GF ; Wang, DM ; He, JB ; Qian, T ; Hu, JP ; Ding, H ; Wang, SC |
| 刊名 | PHYSICAL REVIEW LETTERS
 |
| 出版日期 | 2012 |
| 卷号 | 109期号:3 |
| 关键词 | MAGNETIC EXCHANGE INTERACTIONS SPIN-WAVES SUPERCONDUCTORS PHOTOEMISSION |
| ISSN号 | 0031-9007 |
| 通讯作者 | Liu, ZH (reprint author), Renmin Univ, Dept Phys, Beijing 100872, Peoples R China. |
| 中文摘要 | We report a comprehensive angle-resolved photoemission spectroscopy study of the tridimensional electronic bands in the recently discovered Fe selenide superconductor (Tl, Rb)(y)Fe2-xSe2 (T-c = 32 K). We determined the orbital characters and the k(z) dependence of the low energy electronic structure by tuning the polarization and the energy of the incident photons. We observed a small 3D electron Fermi surface pocket near the Brillouin zone center and a 2D like electron Fermi surface pocket near the zone boundary. The photon energy dependence, the polarization analysis and the local-density approximation calculations suggest a significant contribution from the Se 4p(z) and Fe 3d(xy) orbitals to the small electron pocket. We argue that the emergence of Se 4p(z) states might be the cause of the different magnetic properties between Fe chalcogenides and Fe pnictides. |
| 收录类别 | SCI |
| 资助信息 | Chinese Academy of Sciences [2010Y1JB6]; Ministry of Science and Technology of China [2010CB923000, 2012CB821400, 2011CBA001001]; National Science Foundation of China [10774189, 10974175, 11004232, 11190024, 11050110422]; Renmin University of China [12XNH093]; University of Wisconsin-Madison |
| 语种 | 英语 |
| 公开日期 | 2013-09-23 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/45865]  |
| 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 | Liu, ZH,Richard, P,Xu, N,et al. Three Dimensionality and Orbital Characters of the Fermi Surface in (Tl, Rb)(y)Fe2-xSe2[J]. PHYSICAL REVIEW LETTERS,2012,109(3). |
| APA | Liu, ZH.,Richard, P.,Xu, N.,Xu, G.,Li, Y.,...&Wang, SC.(2012).Three Dimensionality and Orbital Characters of the Fermi Surface in (Tl, Rb)(y)Fe2-xSe2.PHYSICAL REVIEW LETTERS,109(3). |
| MLA | Liu, ZH,et al."Three Dimensionality and Orbital Characters of the Fermi Surface in (Tl, Rb)(y)Fe2-xSe2".PHYSICAL REVIEW LETTERS 109.3(2012). |
入库方式： OAI收割
来源：物理研究所
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