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Structure, physical properties and phase transition of a TCNQ salt of 1 : 2 stoichiometry : DECA (TCNQ)2

  • VI. Charge Transfer Salts other than TTF-TCNQ and its Derivatives
  • Conference paper
  • First Online:
Organic Conductors and Semiconductors

Part of the book series: Lecture Notes in Physics ((LNP,volume 65))

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Abstract

In this paper, we discuss an irreversible phase transition occuring in the TCNQ salt which diethylcyclohexylammonium cation : DECA (TCNQ)2, when heated above 350 K. The transition, which is of first order as evidenced by heat capacity measurements, is accompanied by very large discontinuities in properties such as magnetic susceptibility and d. c. electrical conductivity. The phase diagram [P = f(T)] has been determined, as well as the crystal structures of both phases. The observed structural transformation allows us to explain the temperature behaviour of the physical properties.

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Authors and Affiliations

  1. Centre de Recherches Paul Pascal, Domaine Universitaire, 33405, Talence

    S. Flandrois, M. L. Choukroun & P. Delhaes

  2. Laboratoire de Cristallographie, Domaine Universitaire, 33405, Talence

    D. Chasseau, J. Gaultier, C. Hauw & M. T. Hiraboure

  3. Laboratoire de Chimie Physique Macromoléculaire, 54042, Nancy, France

    P. Dupuis

Authors
  1. S. Flandrois
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  2. M. L. Choukroun
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  3. P. Delhaes
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  4. D. Chasseau
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  5. J. Gaultier
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  6. C. Hauw
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  7. M. T. Hiraboure
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  8. P. Dupuis
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Editor information

L. Pál G. Grüner A. Jánossy J. Sólyom

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© 1977 Akadémiai Kiadó

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Flandrois, S. et al. (1977). Structure, physical properties and phase transition of a TCNQ salt of 1 : 2 stoichiometry : DECA (TCNQ)2 . In: Pál, L., Grüner, G., Jánossy, A., Sólyom, J. (eds) Organic Conductors and Semiconductors. Lecture Notes in Physics, vol 65. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0012403

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  • DOI: https://doi.org/10.1007/BFb0012403

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-08255-2

  • Online ISBN: 978-3-540-37342-1

  • eBook Packages: Springer Book Archive

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