Superconductivity in the hypervalent compound Ba2Bi(Sb1-xBix)2 with a square-honeycomb lattice with a square-honeycomb lattice

Yajima, T. and Takeiri, F. and Nozaki, Y. and Li, Z. and Tohyama, T. and Green, M.A. and Kobayashi, Y. and Kageyama, H. (2015) Superconductivity in the hypervalent compound Ba2Bi(Sb1-xBix)2 with a square-honeycomb lattice with a square-honeycomb lattice. Journal of the Physical Society of Japan, 83 (7). p. 73705. ISSN 00319015 (ISSN). (doi:https://doi.org/10.7566/JPSJ.83.073705) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Abstract

We studied the structural and physical properties of the hypervalent system Ba2Bi(Sb1-xBix)2 (0 ¯ x ¯ 1) with an anisotropic "square-honeycomb" layer. We found that the orthorhombic Ba2BiSb2 (x = 0) shows a charge density wave (CDW) transition at approximately 230K accompanied by a significant elongation of the b-axis, indicating the quasi-one- dimensional nature along the b-axis in its electronic state, as supported by first-principles calculations. This CDW transition is rapidly suppressed with increasing x, leading to the appearance of superconductivity for 0.375 ¯ x ¯ 1. The superconducting transition temperature Tc increases slightly with x and the maximum Tc was 4.4K for Ba2Bi3 (x = 1). © 2014 The Physical Society of Japan.

Item Type: Article
Additional information: Unmapped bibliographic data: C7 - 073705 [EPrints field already has value set] LA - English [Field not mapped to EPrints] J2 - J. Phys. Soc. Jpn. [Field not mapped to EPrints] AD - Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan [Field not mapped to EPrints] AD - Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba, Japan [Field not mapped to EPrints] AD - Department of Physics, California State University Northridge, Northridge, CA, United States [Field not mapped to EPrints] AD - Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, Japan [Field not mapped to EPrints] AD - Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, Japan [Field not mapped to EPrints] AD - NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, United States [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Subjects: Q Science > QC Physics > QC173.45 Condensed Matter
Q Science > QD Chemistry > QD478 Solid State Chemistry
Divisions: Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Depositing User: Giles Tarver
Date Deposited: 14 Oct 2015 11:33 UTC
Last Modified: 14 Oct 2015 11:33 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/50955 (The current URI for this page, for reference purposes)
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