Pressure effect of superconducting oxypnictide LaFeAO1-xF x and related materials

H. Takahashi, H. Okada, Y. Kamihara, S. Matsuishi, M. Hirano, H. Hosono, K. Matsubayashi, Y. Uwatoko

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Pressure dependence on superconducting transition temperature (T c) has been investigated for iron-based superconductor LaFeAsO 1-xFx, SmFeAsO1-xFx and Ca(Fe 1-xCox)AsF. The Tc increases largely for LaFeAsO1-xFx with a small increase of pressure, and decreases with further compression. In SmFeAsO1-xFx the Tc decreases with increasing pressure. The increase of Tc in LaFeAsO1-xFx seems to be related to the suppression of magnetic ordering phase. Pressure-induced superconductivity was observed for these materials. The common features on 1111 type superconductors are discussed.

Original languageEnglish
Article number012037
JournalJournal of Physics: Conference Series
Publication statusPublished - 2010
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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