Evidence of unconventional pairing in the quasi-two-dimensional CuIr2-xRuxTe4 superconductor
文献类型：期刊论文
| 作者 | Shang, T.; Chen, Y.; Xie, W.; Gawryluk, D. J.; Gupta, R.; Khasanov, R.; Zhu, X. Y.; Zhang, H. ; Zhen, Z. X.; Yu, B. C.
|
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2022 |
| 卷号 | 106期号:14页码:144505 |
| ISSN号 | 2469-9950 |
| DOI | 10.1103/PhysRevB.106.144505 |
| 文献子类 | Article |
| 英文摘要 | The CuIr2-xRuxTe4 superconductors (with a Tc around 2.8 K) can host charge-density waves, whose onset and interplay with superconductivity are not well known at a microscopic level. Here, we report a comprehensive study of the x = 0 and 0.05 cases, whose superconductivity was characterized via electrical-resistivity, magnetization, and heat-capacity measurements, while their microscopic superconducting properties were studied via muon-spin rotation and relaxation (mu SR). In CuIr2-xRuxTe4, both the temperature-dependent electronic specific heat and the superfluid density (determined via transverse-field mu SR) are best described by a two-gap (s + d)-wave model, comprising a nodeless gap and a gap with nodes. The multigap superconductivity is also supported by the temperature dependence of the upper critical field Hc2(T ). However, under applied pressure, a charge-density-wave order starts to develop and, as a consequence, the superconductivity of CuIr2Te4 achieves a more conventional s-wave character. Our series of experiments provides ample evidence that the CuIr2-xRuxTe4 family belongs to the rare cases where an unconventional superconducting pairing is found near a charge-density-wave quantum critical point. |
| 电子版国际标准刊号 | 2469-9969 |
| 语种 | 英语 |
| WOS记录号 | WOS:000874100700003 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/300122]  |
| 专题 | 高能物理研究所_东莞分部 高能物理研究所_粒子天体物理中心 高能物理研究所_多学科研究中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Shang, T.,Chen, Y.,Xie, W.,et al. Evidence of unconventional pairing in the quasi-two-dimensional CuIr2-xRuxTe4 superconductor[J]. PHYSICAL REVIEW B,2022,106(14):144505. |
| APA | Shang, T..,Chen, Y..,Xie, W..,Gawryluk, D. J..,Gupta, R..,...&Shiroka, T..(2022).Evidence of unconventional pairing in the quasi-two-dimensional CuIr2-xRuxTe4 superconductor.PHYSICAL REVIEW B,106(14),144505. |
| MLA | Shang, T.,et al."Evidence of unconventional pairing in the quasi-two-dimensional CuIr2-xRuxTe4 superconductor".PHYSICAL REVIEW B 106.14(2022):144505. |
入库方式： OAI收割
来源：高能物理研究所
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。