Peierls structural transition in organic crystals of TTF-TCNQ in the 3D model
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2019-03-14 15:49
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ANDRONIC, Silvia, BALMUŞ, Ion, KASIYAN, Anatolie. Peierls structural transition in organic crystals of TTF-TCNQ in the 3D model. In: Telecommunications, Electronics and Informatics, Ed. 5, 20-23 mai 2015, Chișinău. Chișinău, Republica Moldova: 2015, Ed. 5, pp. 201-203. ISBN 978-9975-45-377-6.
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Telecommunications, Electronics and Informatics
Ed. 5, 2015
Conferința "Telecommunications, Electronics and Informatics"
5, Chișinău, Moldova, 20-23 mai 2015

Peierls structural transition in organic crystals of TTF-TCNQ in the 3D model


Pag. 201-203

Andronic Silvia, Balmuş Ion, Kasiyan Anatolie
 
Technical University of Moldova
 
Disponibil în IBN: 21 mai 2018


Rezumat

Peierls transition in organic crystals of TTF-TCNQ type is studied in 3D approximation. For a more complete description of the crystal model, two the most important electronphonon interactions are considered. The transition behavior is investigated in different cases, when the conduction band is filled up to a quarter of the Brillouin zone and the dimensionless Fermi momentum kF = p/4 and when the carrier concentration varies and kF = p/4 ± δ, where δ represents the variation of the Fermi momentum, kF. In all cases the critical temperature of the transition is determined.

Cuvinte-cheie
Peierls transition, polarization operator, Peierls critical temperature,

3D physical model of TTFTCNQ