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Superconducting properties and μSR study of the noncentrosymmetric superconductor Nb0.5Os0.5
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Singh, D., Barker, Joel, Thamizhavel, A., Hillier, A. D., Paul, Don McK. and Singh, R. P. (2018) Superconducting properties and μSR study of the noncentrosymmetric superconductor Nb0.5Os0.5. Journal of Physics: Condensed Matter, 30 (7). 075601. doi:10.1088/1361-648X/aaa376 ISSN 0953-8984.
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Official URL: http://dx.doi.org/10.1088/1361-648X/aaa376
Abstract
The properties of the noncentrosymmetric superconductor (α-Mn structure) Nb0.5Os0.5 have been investigated using resistivity, magnetization, specific heat, and muon spin relaxation and rotation (μSR) measurements. These measurements suggest that Nb0.5Os0.5 is a weakly coupled (λe−ph ~ 0.53) type-II superconductor (κGL ~ 61), having a bulk superconducting transition temperature Tc = 3.07 K. The specific heat data fits well with the single-gap BCS model indicating nodeless s-wave superconductivity in Nb0.5Os0.5. The μSR measurements also confirm s-wave superconductivity with the preserved time-reversal symmetry.
Item Type: | Journal Article | ||||||||||
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Subjects: | Q Science > QC Physics | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Library of Congress Subject Headings (LCSH): | Superconductors, Superconductivity, Muon spin rotation, Broken symmetry (Physics) | ||||||||||
Journal or Publication Title: | Journal of Physics: Condensed Matter | ||||||||||
Publisher: | Institute of Physics Publishing | ||||||||||
ISSN: | 0953-8984 | ||||||||||
Official Date: | 22 January 2018 | ||||||||||
Dates: |
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Volume: | 30 | ||||||||||
Number: | 7 | ||||||||||
Article Number: | 075601 | ||||||||||
DOI: | 10.1088/1361-648X/aaa376 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Copyright Holders: | Institute of Physics Publishing | ||||||||||
Date of first compliant deposit: | 16 February 2018 | ||||||||||
Date of first compliant Open Access: | 22 January 2019 | ||||||||||
RIOXX Funder/Project Grant: |
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