Strong Coupling of the Iron-Quadrupole and Anion-Dipole Polarizations in Ba(Fe1-xCox)(2)As-2
文献类型：期刊论文
| 作者 | Ma, C ; Wu, LJ ; Yin, WG ; Yang, HX ; Shi, HL ; Wang, ZW ; Li, JQ ; Homes, CC ; Zhu, YM |
| 刊名 | PHYSICAL REVIEW LETTERS
 |
| 出版日期 | 2014 |
| 卷号 | 112期号:7 |
| ISSN号 | 0031-9007 |
| 通讯作者 | Ma, C (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. |
| 中文摘要 | We use a quantitative convergent beam electron diffraction based method to image the valence electron density distribution in Ba(Fe1-xCox)(2)As-2. We show a remarkable increase in both the charge quadrupole of the Fe cations and the charge dipole of the arsenic anions upon Co doping from x = 0 (T-c = 0 K) to x = 0.1 (T-c = 22.5 K). Our data suggest that an unexpected electronic correlation effect, namely strong coupling of Fe orbital fluctuation and anion electronic polarization, is present in iron-based superconductors. |
| 资助信息 | U.S. Department of Energy, Office of Basic Energy Science, Division of Materials Science and Engineering [DE-AC02-98CH10886]; National Basic Research Program of China 973 Program [2011CBA00101, 2012CB821404, 2011CB921703]; National Science Foundation of China [11190022, 11004229]; Chinese Academy of Sciences |
| 语种 | 英语 |
| 公开日期 | 2015-04-14 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/59590]  |
| 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 | Ma, C,Wu, LJ,Yin, WG,et al. Strong Coupling of the Iron-Quadrupole and Anion-Dipole Polarizations in Ba(Fe1-xCox)(2)As-2[J]. PHYSICAL REVIEW LETTERS,2014,112(7). |
| APA | Ma, C.,Wu, LJ.,Yin, WG.,Yang, HX.,Shi, HL.,...&Zhu, YM.(2014).Strong Coupling of the Iron-Quadrupole and Anion-Dipole Polarizations in Ba(Fe1-xCox)(2)As-2.PHYSICAL REVIEW LETTERS,112(7). |
| MLA | Ma, C,et al."Strong Coupling of the Iron-Quadrupole and Anion-Dipole Polarizations in Ba(Fe1-xCox)(2)As-2".PHYSICAL REVIEW LETTERS 112.7(2014). |
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来源：物理研究所
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