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Doping-evolution of the superconducting gap in single crystals of (Ca1-xLax)(10)(Pt3As8)(Fe2As2)(5) superconductor from London penetration depth measurements

TitleDoping-evolution of the superconducting gap in single crystals of (Ca1-xLax)(10)(Pt3As8)(Fe2As2)(5) superconductor from London penetration depth measurements
Publication TypeJournal Article
Year of Publication2014
AuthorsCho, K, Tanatar, MA, Ni, N, Prozorov, R
Journal Technology
Volume27
Pagination104006
Date Published10
Type of ArticleArticle
ISBN Number0953-2048
Accession NumberWOS:000346115500008
Keywordshigh-temperature superconductivity, iron based superconductors, iron pnictides, kfe2as2, London penetration depth, pairing mechanisms, state, t-c
Abstract

e of the total variation of the penetration depth Delta lambda in a fixed temperature interval (e.g., T-min - 0.3 T-c). Both the decrease of the exponent and the increase of the absolute value of Delta lambda in the underdoped regime are similar to the observations in other charge-doped iron-based superconductors, such as doped BaFe2As2 and NaFeAs, suggesting a universal behavior in iron-based superconductors.

DOI10.1088/0953-2048/27/10/104006
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