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Crystal structure of the new FeSe1-x superconductor

By Margadonna S., McDonald M.T., Kasperkiewicz K., Mizuguchi Y., Takano Y., Fitch A.N., Suard E., Prassides K. and Takabayashi Y.

Abstract

The newly discovered superconductor FeSe1-x (x approximate to 0.08, T-c(onset) approximate to 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-xFx (RE = rare earth) superconductors

Year: 2008
DOI identifier: 10.1039/b813076k
OAI identifier: oai:www.era.lib.ed.ac.uk:1842/3045
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