Pressure effects on superconductivity and magnetism in FeSe 1-xTex

Chien Lung Huang, Chih Chieh Chou, Kuo Feng Tseng, Yi Lin Huang, Fong Chi Hsu, Kuo Wei Yeh, Mau Kuen Wu, Hung Duen Yang

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26 Citations (Scopus)

Abstract

The pressure (P) dependence of AC susceptibility and electrical resistivity of FeSe 0.88 and FeSe 0.5Te 0.5 has been studied. The superconducting transition temperature (T c) of FeSe 0.5Te 0.5 is found to be more sensitive to P than it is in FeSe 0.88, which is believed to arise from the strongly distorted structure. The enhancement of T c by P is mainly attributed to an increase of density of states, which implies that the superconductivity in FeSe 1-xTe x favors pairing mechanism in the context of strong-coupling BCS theory.

Original languageEnglish
Article number084710
JournalJournal of the Physical Society of Japan
Volume78
Issue number8
DOIs
Publication statusPublished - 2009 Aug

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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