Superconductivity under high pressure in LaFeAsO

Hironari Okada, Kazumi Igawa, Hiroki Takahashi, Yoichi Kamihara, Masahiro Hirano, Hideo Hosono, Kazuyuki Matsubayashi, Yoshiya Uwatoko

Research output: Contribution to journalArticlepeer-review

163 Citations (Scopus)

Abstract

Electrical resistivity measurements under high pressures up to 29 GPa were performed for oxypnictide compound LaFeAsO. We found a pressure-induced superconductivity in LaFeAsO. The maximum value of T c is 21 K at ∼12GPa. The pressure dependence of the T c is similar to those of LaFeAsO 1-xF x series reported previously.

Original languageEnglish
Article number113712
JournalJournal of the Physical Society of Japan
Volume77
Issue number11
DOIs
Publication statusPublished - 2008 Nov
Externally publishedYes

Keywords

  • Electrical resistivity
  • High pressure
  • LaFeAsO
  • Oxypnictide
  • Superconductivity

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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