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. 2008 Nov 21:(43):5607-9.
doi: 10.1039/b813076k. Epub 2008 Sep 26.

Crystal structure of the new FeSe(1-x) superconductor

Serena Margadonna  1 , Yasuhiro Takabayashi, Martin T McDonald, Karolina Kasperkiewicz, Yoshikazu Mizuguchi, Yoshihiko Takano, Andrew N Fitch, Emmanuelle Suard, Kosmas Prassides
Affiliations

Crystal structure of the new FeSe(1-x) superconductor

Serena Margadonna et al. Chem Commun (Camb). .

Abstract

The newly discovered superconductor FeSe(1-x) (x approximately 0.08, T(c)(onset) approximately 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 REFeAsO(1-x)F(x) (RE = rare earth) superconductors.

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