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Pressure effects on superconductivity and structural parameters of ThFeAsN
Wang, Honghong; Guo, Jing; Shao, Yeting; Wang, Cao; Cai, Shu; Wang, Zhe; Li, Xiaodong; Li, Yanchun; Cao, Guanghan; Wu, Qi; Sun, Liling; Li XD(李晓东); Li YC(李延春)
2018
Source PublicationEPL
ISSN0295-5075
EISSN1286-4854
Volume123Issue:6Pages:67004
SubtypeArticle
AbstractHere we report effects of pressure on the recently discovered iron-based superconductor ThFeAsN, the first FeAs-based superconductor containing an actinide element, by in situ highpressure resistance and synchrotron X-ray diffraction measurements. Our results show that the superconducting transition temperature (T-C) decreases monotonously with increasing pressure and then vanishes at 25.4 CPa. The analysis of the As anion height above the Fe layer (h(Fe-As)), as well as the bond angle of As-Fe-As (alpha), for the pressurized ThFeAsN sample found that its T-C vs. h(Fe-As) or alpha follows the same universal curve describing most of the iron-based superconductors. The results indicate that the lattice parameters also control the superconductivity of the ThFeAsN superconductor, similar to other FeAs-based superconductors, as long as the "superconducting gene" is a FeAs layer. Furthermore, we demonstrate that the ambient-pressure ThFeAsN is an "intrinsic" superconductor, while its lattice structure is not in the optimal state of the FeAs-based superconductors. Copyright (C) EPLA, 2018
DOI10.1209/0295-5075/123/67004
WOS KeywordHIGH-TEMPERATURE SUPERCONDUCTIVITY ; CRITICAL-POINT ; PHASE-DIAGRAM ; IRON ; TRANSITION
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000448464500002
ADS Bibcode2018EL....12367004W
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:2 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286743
Collection核技术应用研究中心
多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Wang, Honghong,Guo, Jing,Shao, Yeting,et al. Pressure effects on superconductivity and structural parameters of ThFeAsN[J]. EPL,2018,123(6):67004.
APA Wang, Honghong.,Guo, Jing.,Shao, Yeting.,Wang, Cao.,Cai, Shu.,...&李延春.(2018).Pressure effects on superconductivity and structural parameters of ThFeAsN.EPL,123(6),67004.
MLA Wang, Honghong,et al."Pressure effects on superconductivity and structural parameters of ThFeAsN".EPL 123.6(2018):67004.
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