First molecular superconductor with the tris(oxalato)aluminate anion, β″-(BEDT-TTF)4(H3O)Al(C2O4)3·C6H5Br, and isostructural tris(oxalato)cobaltate and tris(oxalato)ruthenate radical cation salts

Blundell, T.J. ORCID: 0000-0002-7296-1471, Brannan, M., Mburu-Newman, J., Akutsu, H., Nakazawa, Y., Imajo, S. and Martin, L. ORCID: 0000-0002-5330-5700, 2021. First molecular superconductor with the tris(oxalato)aluminate anion, β″-(BEDT-TTF)4(H3O)Al(C2O4)3·C6H5Br, and isostructural tris(oxalato)cobaltate and tris(oxalato)ruthenate radical cation salts. Magnetochemistry, 7 (7): 90. ISSN 2312-7481

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Abstract

Peter Day’s research group reported the first molecular superconductor containing paramagnetic metal ions in 1995, β″-(BEDT-TTF)4(H3O)Fe(C2O4)3·C6H5CN. Subsequent research has produced a multitude of BEDT-TTF-tris(oxalato)metallate salts with a variety of structures and properties, including 32 superconductors to date. We present here the synthesis, crystal structure, and conducting properties of the newest additions to the Day series including the first superconductor incorporating the diamagnetic tris(oxalato)aluminate anion, β″-(BEDT-TTF)4(H3O)Al(C2O4)3·C6H5Br, which has a superconducting Tc of ~2.5 K. β″-(BEDT-TTF)4(H3O)Co(C2O4)3·C6H5Br represents the first example of a β″ phase for the tris(oxalato)cobaltate anion, but this salt does not show superconductivity.

Item Type: Journal article
Publication Title: Magnetochemistry
Creators: Blundell, T.J., Brannan, M., Mburu-Newman, J., Akutsu, H., Nakazawa, Y., Imajo, S. and Martin, L.
Publisher: MDPI
Date: 22 June 2021
Volume: 7
Number: 7
ISSN: 2312-7481
Identifiers:
NumberType
10.3390/magnetochemistry7070090DOI
1447558Other
Rights: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Divisions: Schools > School of Science and Technology
Record created by: Laura Ward
Date Added: 15 Jul 2021 13:36
Last Modified: 15 Jul 2021 13:36
URI: http://irep.ntu.ac.uk/id/eprint/43483

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