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Effect of pressure on the physical properties of the superconductor NiBi3

TitleEffect of pressure on the physical properties of the superconductor NiBi3
Publication TypeJournal Article
Year of Publication2019
AuthorsGati, E, Xiang, L, Wang, LL, Manni, S, Canfield, PC, Bud'ko, SL
JournalJournal of Physics-Condensed Matter
Volume31
Pagination035701
Date Published01
Type of ArticleArticle
ISBN Number0953-8984
Accession NumberWOS:000453079400001
Keywordsdft, growth, magnetization, physics, pressure, resistivity, superconductivity, topological-insulator, total-energy calculations
Abstract

We present an experimental study of the superconducting properties of NiBi3 as a function of pressure by means of resistivity and magnetization measurements and combine our results with density functional theory calculations of the band structure under pressure. We find a moderate suppression of the critical temperature T-c from approximate to 4.1 K to approximate to 3 K by pressures up to 2 GPa. By taking into account the change of the band structure as a function of pressure, we argue that the decrease in T-c is consistent with conventional, electron-phonon-mediated BCS-type superconductivity.

DOI10.1088/1361-648X/aaf03a
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Alternate JournalJ. Phys.-Condes. Matter