La2Sb, a layered superconductor with metal–metal bonds

Hiroshi Mizoguchi; Hideo Hosono

doi:10.1039/C0CC05384H

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La₂Sb, a layered superconductor with metal–metal bonds†

Hiroshi Mizoguchi^a and Hideo Hosono*^ab

Author affiliations

* Corresponding authors

^a Frontier Research Center, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
E-mail: hosono@lucid.msl.titech.ac.jp
Fax: +81 45-924-5127
Tel: +81 45-924-5127

^b Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
Fax: +81 45-924-5339
Tel: +81 45-924-5359

Abstract

We found that La₂Sb with a layered structure composed of alternate stacking of La square nets and LaSb layers exhibits bulk superconductivity with a critical temperature of 5.3 K. This suggests that the presence of the square net with strong La–La metal bonding is essential for the emergence of superconductivity.

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Article information

DOI: https://doi.org/10.1039/C0CC05384H
Article type: Communication
Submitted: 06 Dec 2010
Accepted: 12 Jan 2011
First published: 07 Feb 2011

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Chem. Commun., 2011,47, 3778-3780

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La₂Sb, a layered superconductor with metal–metal bonds

H. Mizoguchi and H. Hosono, Chem. Commun., 2011, 47, 3778 DOI: 10.1039/C0CC05384H

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