Archive: 2015 - Moldavian Journal of the Physical Sciences

20 Nov 2015

2015
V. 14
1-2
(p.96 - 101)

3d modeling of the peierls transition in TTF-TCNQ organic crystals

CZU: 539.2

Authors:

Andronic, Silvia

Summary:

The Peierls structural transition in quasi-one-dimensional (Q1D) TTF-TCNQ organic crystals of is studied in the 3D approximation. Two the most important electronphonon interactions are considered. The analytic expression for the phonon polarization operator is obtained in the random phase approximation. The polarization operator as a function of temperature is determined for different values of dimensionless Fermi momentum kF. Different cases are analyzed: kF = 0.59/2 and where the carrier concentration varies and kF = 0.59/2 ± δ, where δ represents the variation of Fermi momentum kF. In all cases, Peierls critical temperature Tp is determined.

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BibTeX

@article{ibn_43393,
author = {Andronic, S.C.},
title = {3d modeling of the peierls transition in TTF-TCNQ organic crystals},
journal = {Moldavian Journal of the Physical Sciences},
year = {2015},
volume = {14 (1-2)},
pages = {96-101},
month = {Nov},
abstract = {(EN)  The Peierls structural transition in quasi-one-dimensional (Q1D) TTF-TCNQ organic crystals of is studied in the 3D approximation. Two the most important electronphonon interactions are considered. The analytic expression for the phonon polarization operator is obtained in the random phase approximation. The polarization operator as a function of temperature is determined for different values of dimensionless Fermi momentum kF. Different cases are analyzed: kF = 0.59/2 and where the carrier concentration varies and kF = 0.59/2 ± δ, where δ represents the variation of Fermi momentum kF. In all cases, Peierls critical temperature Tp is determined. },
url = {https://ibn.idsi.md/vizualizare_articol/43393},
}

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Dublin Core

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<dc:description xml:lang='en'> The Peierls structural transition in quasi-one-dimensional (Q1D) TTF-TCNQ organic crystals of is studied in the 3D approximation. Two the most important electronphonon interactions are considered. The analytic expression for the phonon polarization operator is obtained in the random phase approximation. The polarization operator as a function of temperature is determined for different values of dimensionless Fermi momentum kF. Different cases are analyzed: kF = 0.59/2 and where the carrier concentration varies and kF = 0.59/2 ± δ, where δ represents the variation of Fermi momentum kF. In all cases, Peierls critical temperature Tp is determined. </dc:description>
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