Issue 12, 2005
From the journal:

Journal of Materials Chemistry

New molecular metals based on BEDO radical cation salts with the square planar Ni(CN)42− anion

Alexander D. Dubrovskii,a   Nataliya G. Spitsina,a   Lev I. Buravov,a   Gennadii V. Shilov,a   Oleg A. Dyachenko,a   Eduard B. Yagubskii,*a   Vladimir N. Laukhinb  and  Enric Canadell*c  

* Corresponding authors

a Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, MD, Russia
E-mail: yagubski@icp.ac.ru

b Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institut de Ciència de Materials de Barcelona, CSIC, Campus de la U.A.B., E-08193 Bellaterra, Spain

c Institut de Ciència de Materials de Barcelona, CSIC, Campus de la U.A.B., E-08193 Bellaterra, Spain
E-mail: canadell@icmab.es

Abstract

Two new radical cation salts based on bis(ethylenedioxy)tetrathiafulvalene (BEDO) with the square planar Ni(CN)42− anion, (BEDO)4Ni(CN)4·4CH3CN (1) and (BEDO)5Ni(CN)4·3C2H4(OH)2 (2), were synthesized by electrocrystallization. The X-ray structural analysis, electrical transport and magnetotransport properties as well as the calculated Fermi surfaces are presented and discussed. Both salts show metallic properties down to 4.2 K. The nature of the Fermi surface of both salts is discussed and compared with those of other β″ type BEDO salts. On the basis of this comparison it is suggested that salt 2 is a likely candidate to exhibit magnetic breakdown and quantum interference effects in the magnetoresistance. It is shown that salt 1 exhibits unconventional magnetotransport behavior.

Graphical abstract: New molecular metals based on BEDO radical cation salts with the square planar Ni(CN)42− anion

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Article information

DOI
https://doi.org/10.1039/B412580K
Article type
Paper
Submitted
16 Aug 2004
Accepted
22 Oct 2004
First published
24 Nov 2004

J. Mater. Chem., 2005,15, 1248-1254

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New molecular metals based on BEDO radical cation salts with the square planar Ni(CN)42− anion

A. D. Dubrovskii, N. G. Spitsina, L. I. Buravov, G. V. Shilov, O. A. Dyachenko, E. B. Yagubskii, V. N. Laukhin and E. Canadell, J. Mater. Chem., 2005, 15, 1248 DOI: 10.1039/B412580K

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