Multiband superconductivity in the correlated electron filled skutterudite system Pr1-xCexPt4Ge12

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dc.authorid0000-0001-5966-5718en_US
dc.authorid0000-0003-2718-2214en_US
dc.contributor.authorZhang, S.
dc.contributor.authorSingh, Yogesh P.
dc.contributor.authorAdhikari, Rupendra Bahadur
dc.contributor.authorZhang, S.
dc.contributor.authorHuang, Kevin
dc.contributor.authorYazıcı, Duygu
dc.contributor.authorJeon, Inho
dc.contributor.authorMaple, M. Brian
dc.contributor.authorDzero, Maxim
dc.contributor.authorAlmasan, Carmen C.
dc.date.accessioned2020-05-28T08:05:40Z
dc.date.available2020-05-28T08:05:40Z
dc.date.issued2016
dc.departmentAÇÜ, Rektörlüken_US
dc.description.abstractStudies of superconductivity in multiband correlated electronic systems have become one of the central topics in condensed-matter and materials physics. In this paper, we present the results of thermodynamic measurements on the superconducting filled skutterudite system Pr1-xCexPt4Ge12 (0 <= x <= 0.2) to investigate how substitution of Ce at Pr sites affects superconductivity. We find that an increase in Ce concentration leads to a suppression of the superconducting transition temperature from T-c similar to 7.9 K for x = 0 to T-c similar to 0.6 K for x = 0.14. Our analysis of the specific-heat data for x <= 0.07 reveals that superconductivity must develop in at least two bands: the superconducting order parameter has nodes on one Fermi pocket and remains fully gapped on the other. Both the nodal and nodeless gaps decrease, with the nodal gap being suppressed more strongly upon Ce substitution. Ultimately, the higher-Ce-concentration samples (x > 0.07) display a nodeless gap only.
dc.description.sponsorshipNational Science Foundation (NSF): DMR-1505826 DMR-1506547 DMR 1206553 United States Department of Energy (DOE): DE-FG02-04ER46105en_US
dc.identifier.citationSingh, Y. P., Adhikari, R. B., Zhang, S., Huang, K., Yazici, D., Jeon, I., ... & Almasan, C. C. (2016). Multiband superconductivity in the correlated electron filled skutterudite system Pr 1− x Ce x Pt 4 Ge 12. Physical Review B, 94(14), 144502, doi: 10.1103/PhysRevB.94.144502.en_US
dc.identifier.doi10.1103/PhysRevB.94.144502
dc.identifier.issue14en_US
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://hdl.handle.net/11494/2077
dc.identifier.volume94en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorYazıcı, Duygu
dc.language.isoenen_US
dc.publisherAmer Physical Socen_US
dc.relation.ispartofPhysical Review B
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject[No Keywords Available]en_US
dc.titleMultiband superconductivity in the correlated electron filled skutterudite system Pr1-xCexPt4Ge12en_US
dc.typeArticle

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