CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Role of valence changes and nanoscale atomic displacements in BiS2-based superconductors
Cheng, J; Zhai, HF; Wang, Y; Xu, W; Liu, SL; Cao, GH; Cheng, J (reprint author), Nanjing Univ Posts & Telecommun, Coll Sci, Ctr Adv Funct Ceram, Nanjing 210023, Jiangsu, Peoples R China.
2016
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume6Pages:-
Subtype期刊论文
AbstractSuperconductivity within layered crystal structures has attracted sustained interest among condensed matter community, primarily due to their exotic superconducting properties. EuBiS2F is a newly discovered member in the BiS2-based superconducting family, which shows superconductivity at 0.3 K without extrinsic doping. With 50 at.% Ce substitution for Eu, superconductivity is enhanced with Tc increased up to 2.2 K. However, the mechanisms for the Tc enhancement have not yet been elucidated. In this study, the Ce-doping effect on the self-electron-doped superconductor EuBiS2F was investigated by X-ray absorption spectroscopy (XAS). We have established a relationship between Ce-doping and the T-c enhancement in terms of Eu valence changes and nanoscale atomic displacements. The new finding sheds light on the interplay among superconductivity, charge and local structure in BiS2-based superconductors.
DOI10.1038/srep37394
Indexed BySCI
Language英语
WOS IDWOS:000388231400001
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26617
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorCheng, J (reprint author), Nanjing Univ Posts & Telecommun, Coll Sci, Ctr Adv Funct Ceram, Nanjing 210023, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Cheng, J,Zhai, HF,Wang, Y,et al. Role of valence changes and nanoscale atomic displacements in BiS2-based superconductors[J]. SCIENTIFIC REPORTS,2016,6:-.
APA Cheng, J.,Zhai, HF.,Wang, Y.,Xu, W.,Liu, SL.,...&Cheng, J .(2016).Role of valence changes and nanoscale atomic displacements in BiS2-based superconductors.SCIENTIFIC REPORTS,6,-.
MLA Cheng, J,et al."Role of valence changes and nanoscale atomic displacements in BiS2-based superconductors".SCIENTIFIC REPORTS 6(2016):-.
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