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Effects of isovalent substitution and pressure on the interplane resistivity of single-crystal Ba(Fe1-xRux)(2)As-2

TitleEffects of isovalent substitution and pressure on the interplane resistivity of single-crystal Ba(Fe1-xRux)(2)As-2
Publication TypeJournal Article
Year of Publication2014
AuthorsTanatar, MA, Torikachvili, MS, Thaler, A, Bud'ko, SL, Canfield, PC, Prozorov, R
JournalPhysical Review B
Volume90
Pagination104518
Date Published09
Type of ArticleArticle
ISBN Number1098-0121
Accession NumberWOS:000342662400004
Keywordsanisotropy, bafe2as2, chalcogenides, cuprate superconductors, high-t-c, high-temperature superconductivity, iron arsenide, pnictides, pseudogap, spin dynamics, superconductor
Abstract

Temperature-dependent interplane resistivity rho(c)(T) was measured in an isovalent substituted iron-arsenide compound Ba(Fe1-xRux)(2)As-2 over a substitution range from parent compound to slightly below optimal doping x = 0.29. The feature of interest in the rho(c)(T), a broad resistivity crossover maximum found in the parent compound at T-max approximate to 200 K, shifts to higher temperatures with Ru substitution, similar to 340 K for x = 0.161 and goes out of the 400 K range for x = 0.29. Nearly T-linear dependence of interplane resistivity is found at the highest substitution level x = 0.29. This temperature-dependent rho(c) and its evolution with substitution bear close similarity to another type of isovalent substituted system BaFe2(As1-xPx)(2). Similarly to the isovalent substitutions, the measurements of interplane resistivity in the parent BaFe2As2 compound under pressures up to 20 kbar also revealed a rapid rise in T-max.

DOI10.1103/PhysRevB.90.104518
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