A model for the electronic band structure of HMTSeF-TCNQ

M. Weger

doi:10.1016/0038-1098(76)90120-4

A model for the electronic band structure of HMTSeF-TCNQ

M. Weger^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

An electronic band structure model is constructed for the organic charge- transfer complex HMTSeF-TCNQ, which is semi-metallic under pressure down to the lowest investigated temperatures. Some experimental data is used to estimate the various integrals involved. Admixture of molecular excited states of opposite parity to the ground state quenches the covalency gap and gives rise to a Fermi surface consisting of an ellipsoid of "electrons" and a more cylindrical FS of "holes" with long axes in the c-direction, and rather flat in the b-direction. Excellent agreement with all (independent) experimental observations is obtained.

Original language	English
Pages (from-to)	1149-1155
Number of pages	7
Journal	Solid State Communications
Volume	19
Issue number	11
DOIs	https://doi.org/10.1016/0038-1098(76)90120-4
State	Published - Sep 1976
Externally published	Yes

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10.1016/0038-1098(76)90120-4

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AB - An electronic band structure model is constructed for the organic charge- transfer complex HMTSeF-TCNQ, which is semi-metallic under pressure down to the lowest investigated temperatures. Some experimental data is used to estimate the various integrals involved. Admixture of molecular excited states of opposite parity to the ground state quenches the covalency gap and gives rise to a Fermi surface consisting of an ellipsoid of "electrons" and a more cylindrical FS of "holes" with long axes in the c-direction, and rather flat in the b-direction. Excellent agreement with all (independent) experimental observations is obtained.

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A model for the electronic band structure of HMTSeF-TCNQ

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