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Magnetochemistry 2017, 3(1), 9; doi:10.3390/magnetochemistry3010009

The Highly Conducting Spin-Crossover Compound Combining Fe(III) Cation Complex with TCNQ in a Fractional Reduction State. Synthesis, Structure, Electric and Magnetic Properties

1
M.N. Miheev Institute of Metal Physics, Ural Branch of Russian Academy of Sciences, S. Kovalevskaya str., 18, Yekaterinburg 620137, Russia
2
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Semenov ave., 1, Chernogolovka 142432, Moscow Region, Russia
3
Institute of Solid State Physics, Russian Academy of Sciences, Ossipyan Street, 2, Chernogolovka 142432, Moscow Region, Russia
4
Department of General and Applied Physics, Moscow Institute of Physics and Technology, Dolgoprudnyi 141700, Moscow Region, Russia
*
Authors to whom correspondence should be addressed.
Academic Editor: Manuel Almeida
Received: 23 January 2017 / Revised: 12 February 2017 / Accepted: 14 February 2017 / Published: 22 February 2017
(This article belongs to the Special Issue Magnetism of Molecular Conductors)
View Full-Text   |   Download PDF [8678 KB, uploaded 22 February 2017]   |  

Abstract

Three systems [Fe(III)(sal2-trien)](TCNQ)n·X (n = 1, 2, X = MeOH, CH3CN, H2O) showing spin-crossover transition, conductivity and ferromagnetic coupling were synthesized and studied by X-ray diffraction, Montgomery method for resistivity, SQUID magnetometry and X-band EPR. Spin-spin interactions between local magnetic moments of Fe(III) ions and electron spins of organic TCNQ network were discovered and discussed within the framework of intermolecular superexchange coupling. View Full-Text
Keywords: TCNQ radical anion salt; Fe(III) spin-crossover complex; crystal structure; conducting and magnetic properties TCNQ radical anion salt; Fe(III) spin-crossover complex; crystal structure; conducting and magnetic properties
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Shvachko, Y.N.; Starichenko, D.V.; Korolyov, A.V.; Kotov, A.I.; Buravov, L.I.; Zverev, V.N.; Simonov, S.V.; Zorina, L.V.; Yagubskii, E.B. The Highly Conducting Spin-Crossover Compound Combining Fe(III) Cation Complex with TCNQ in a Fractional Reduction State. Synthesis, Structure, Electric and Magnetic Properties. Magnetochemistry 2017, 3, 9.

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