Crystal structure of the new FeSe1-x superconductor

Serena Margadonna, Yasuhiro Takabayashi, Martin T. McDonald, Karolina Kasperkiewicz, Yoshikazu Mizuguchi, Yoshihiko Takano, Andrew N. Fitch, Emmanuelle Suard, Kosmas Prassides

Research output: Contribution to journalArticlepeer-review

276 Citations (Scopus)


The newly discovered superconductor FeSe1-x (x≈ 0.08, T conset≈ 13.5 K at ambient pressure rising to 27 K at 1.48 GPa) exhibits a structural phase transition from tetragonal to orthorhombic below 70 K at ambient pressure - the crystal structure in the superconducting state shows remarkable similarities to that of the REFeAsO1-xF x (RE = rare earth) superconductors.

Original languageEnglish
Pages (from-to)5607-5609
Number of pages3
JournalChemical Communications
Issue number43
Publication statusPublished - 2008 Nov 17

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry


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