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

doi:10.1039/B813076K

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Crystal structure of the new FeSe_1−x superconductor†

Serena Margadonna,*^a Yasuhiro Takabayashi,^b Martin T. McDonald,^b Karolina Kasperkiewicz,^a Yoshikazu Mizuguchi,^c Yoshihiko Takano,^c Andrew N. Fitch,^d Emmanuelle Suard^e and Kosmas Prassides*^b

Author affiliations

* Corresponding authors

^a School of Chemistry, University of Edinburgh, Edinburgh, UK
E-mail: serena.margadonna@ed.ac.uk

^b Department of Chemistry, University of Durham, Durham, UK
E-mail: K.Prassides@durham.ac.uk

^c National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Japan

^d European Synchrotron Radiation Facility, Grenoble, France

^e Institut Laue Langevin, Grenoble, France

Abstract

The newly discovered superconductor FeSe_1−x (x≈ 0.08, T_c^onset≈ 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−xF_x (RE = rare earth) superconductors.

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Supplementary files

Results of the structural refinements PDF (802K)

Article information

DOI: https://doi.org/10.1039/B813076K
Article type: Communication
Submitted: 29 Jul 2008
Accepted: 05 Sep 2008
First published: 26 Sep 2008

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Chem. Commun., 2008, 5607-5609

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Crystal structure of the new FeSe_1−x superconductor

S. Margadonna, Y. Takabayashi, M. T. McDonald, K. Kasperkiewicz, Y. Mizuguchi, Y. Takano, A. N. Fitch, E. Suard and K. Prassides, Chem. Commun., 2008, 5607 DOI: 10.1039/B813076K

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