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Metal-Insulator Transition of Peierls Type in TTT2I3 Crystals in 3D Approximation

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dc.contributor.author ANDRONIC, Silvia
dc.contributor.author BALMUȘ, Ion
dc.contributor.author CASIAN, Anatolie
dc.date.accessioned 2019-07-12T08:06:03Z
dc.date.available 2019-07-12T08:06:03Z
dc.date.issued 2017
dc.identifier.citation ANDRONIC, Silvia, BALMUȘ, Ion, CASIAN, Anatolie. Metal-Insulator Transition of Peierls Type in TTT2I3 Crystals in 3D Approximation. In: Microelectronics and Computer Science: proc. of the 9th intern. conf., October 19-21, 2017. Chişinău, 2017, pp. 539-542. ISBN 978-9975-4264-8-0. en_US
dc.identifier.isbn 978-9975-4264-8-0
dc.identifier.uri http://repository.utm.md/handle/5014/3480
dc.description.abstract The metal-insulator transition in quasi-one-dimensional organic crystals of tetrathiotetraceneiodide, TTT2I3, is investigated in 3D approximation. A more complete physical model of the crystal is applied which takes into account two the most important hole-phonon interaction mechanisms. The first is similar to that of deformation potential and the second one is of polaron type. The scattering on defects is also considered. The phonon polarization operator and the renormalized phonon spectrum are calculated in the random phase approximation for different temperatures applying the method of retarded Green functions. The effect of lattice distortion on the dispersion of renormalized acoustic phonons is analyzed. The Peierls critical temperature is determined. en_US
dc.language.iso en en_US
dc.publisher Technical University of Moldova en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject Peierls transition en_US
dc.subject quasi-one-dimensional organic crystals en_US
dc.subject tetrathiotetracene-iodide crystals en_US
dc.subject crystals en_US
dc.subject polarization operator en_US
dc.subject renormalized phonon spectrum en_US
dc.subject tranziții Peierls en_US
dc.subject cristale organice cvasi-dimensionale en_US
dc.subject cristale de tetrathiotetracen-iodură en_US
dc.subject cristale en_US
dc.subject operatori de polarizare en_US
dc.subject spectri renormalizate de fonon en_US
dc.title Metal-Insulator Transition of Peierls Type in TTT2I3 Crystals in 3D Approximation en_US
dc.type Article en_US


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