Thermal conductivity of tetrathiafulvalenium-tetracyanoquinodimethanide (TTF-TCNQ)

M. Kaveh, H. Gutfreund, M. Weger

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The temperature dependence of the thermal conductivity K(T) of TTF-TCNQ is analyzed, both above and below the Peierls transition including both the electronic and lattice contributions. The electronic contribution to K(T) is discussed in terms of electron-libron scattering. It is shown that libron-drag effects cause the Wiedemann-Franz ratio to deviate significantly from the ideal Lorenz number. It is predicted that significant changes in K(T) will occur when the sample is subjected to irradiation and/or pressure. Experiments are suggested to test these predictions.

Original languageEnglish
Pages (from-to)543-549
Number of pages7
JournalPhysical Review B
Issue number2
StatePublished - 1979


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