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Resistivity and magnetoresistance of FeSe single crystals under helium-gas pressure

TitleResistivity and magnetoresistance of FeSe single crystals under helium-gas pressure
Publication TypeJournal Article
Year of Publication2015
AuthorsKnoner, S, Zielke, D, Kohler, S, Wolf, B, Wolf, T, Wang, L, Bohmer, A, Meingast, C, Lang, M
JournalPhysical Review B
Volume91
Pagination174510
Date Published05
Type of ArticleArticle
ISBN Number1098-0121
Accession NumberWOS:000354364300003
Keywordselectronic-structure, high-temperature superconductivity, iron, phase
Abstract

Ts, preceding the superconducting transition. Here, a T-linear resistivity is observed the slope of which does not change with pressure, pointing against a spin-fluctuation origin of this term. Resistivity studies in varying magnetic fields both at ambient and finite pressure reveal clear changes of the magnetoresistance, Delta rho proportional to B-2, upon cooling through T-s. Our data are consistent with a reconstruction of the Fermi surface accompanying the structural transition.

DOI10.1103/PhysRevB.91.174510
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