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Title= 1)
Publication TypeJournal Article
Year of Publication2014
AuthorsLiu, Y, Tanatar, MA, Straszheim, WE, Jensen, B, Dennis, KW, McCallum, RW, Kogan, VG, Prozorov, R, Lograsso, TA
JournalPhysical Review B
Volume89
Pagination134504
Date Published04
Type of ArticleArticle
ISBN Number1098-0121
Accession NumberWOS:000334115000003
Keywordsba0.6k0.4fe2as2, bafe2(as1-xpx)(2), high-temperature superconductivity, spin, state, transition
Abstract

e shape of the temperature-dependent resistivity, rho(T), shows systematic doping-evolution, being close to T-2 in overdoped and revealing significant contribution of the T-linear component at optimum doping. The slope of the upper critical field, d H-c2/dT, scales linearly with T-c for both H parallel to c, H-c2,(c), and H parallel to ab, H-c2,H-ab. The anisotropy of the upper critical field. equivalent to Hc(2,ab)/H-c2,H-c determined near zero-field T-c increases from similar to 2 to 4-5 with increasing K doping level from optimal x similar to 0.4 to strongly overdoped x = 1.

DOI10.1103/PhysRevB.89.134504
Custom 1

Novel Materials

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Complex States