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

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

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1
School of Chemistry, University of Edinburgh, Edinburgh, UKEH9 3JJ. serena.margadonna@ed.ac.uk

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.

PMID:
18997967
DOI:
10.1039/b813076k
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