Superconductivity in pressurized Rb0.8Fe2-ySe2-xTex
文献类型：期刊论文
| 作者 | Gu, DC; Wu, Q; Zhou, YZ; Gao, PW; Guo, J; Zhang, C; Zhang, S; Jiang, S; Yang, K; Li, AG |
| 刊名 | NEW JOURNAL OF PHYSICS
 |
| 出版日期 | 2015 |
| 卷号 | 17页码:— |
| ISSN号 | 1367-2630 |
| 通讯作者 | Gu, DC (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 英文摘要 | We report the finding of pressure-induced elimination and reemergence of superconductivity in Rb0.8Fe2-ySe2-xTex (x = 0, 0.19 and 0.28) superconductors that belong to the family of A-245 superconductors (A = K, Rb, TlRb and Cs), characterized by the presence of an antiferromagnetic (AFM) long-ranged order phase with the superlattice structure of Fe-cavacies. In this study, we investigate the connections between superlattice, AFM phase and superconductivity via the combined approaches of Te doping and application of external pressure. Our data reveal that the superconductivity of the ambient-pressure superconducting phase (SC-I) and the AFM long-ranged order as well as the superconductivity of the pressure-induced phase (SC-II) in the host samples can be synchronously tuned by Te doping. At x = 0.4, the SC-I and AFM long-range ordered phases as well as the SC-II phase disappear together, indicating that the two superconducting phases have intrinsic connections with the AFM phase. Furthermore, in-situ synchrotron x-ray diffraction measurements indicate that the superlattice structure in the x = 0.4 sample still exists at ambient pressure, but collapses at the same pressure where the superlattice of the superconducting samples is destructed. These results provide new insight into understanding the physics of this type of superconductors. |
| 语种 | 英语 |
| WOS记录号 | WOS:000359130600001 |
| 公开日期 | 2016-03-08 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/25057]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 推荐引用方式 GB/T 7714 | Gu, DC,Wu, Q,Zhou, YZ,et al. Superconductivity in pressurized Rb0.8Fe2-ySe2-xTex[J]. NEW JOURNAL OF PHYSICS,2015,17:—. |
| APA | Gu, DC.,Wu, Q.,Zhou, YZ.,Gao, PW.,Guo, J.,...&Zhao, ZX.(2015).Superconductivity in pressurized Rb0.8Fe2-ySe2-xTex.NEW JOURNAL OF PHYSICS,17,—. |
| MLA | Gu, DC,et al."Superconductivity in pressurized Rb0.8Fe2-ySe2-xTex".NEW JOURNAL OF PHYSICS 17(2015):—. |
入库方式： OAI收割
来源：上海应用物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。