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SM ISO690:2012 ANDRONIC, Silvia, SANDULEAC, Ionel, KASIYAN, Anatolie. Peierls structural transition in organic crystals of TTT2I3 with intermediate carrier concentration. In: IFMBE Proceedings: . 4th International Conference on Nanotechnologies and Biomedical Engineering, Ed. 4, 18-21 septembrie 2019, Chişinău. Switzerland: Springer Nature Switzerland AG, 2020, Ediția 4, Vol.77, pp. 199-202. ISBN 978-303031865-9. ISSN 16800737. DOI: https://doi.org/10.1007/978-3-030-31866-6_40 |
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IFMBE Proceedings Ediția 4, Vol.77, 2020 |
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Conferința "Conference on Nanotechnologies and Biomedical Engineering" 4, Chişinău, Moldova, 18-21 septembrie 2019 | |||||||
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DOI:https://doi.org/10.1007/978-3-030-31866-6_40 | |||||||
Pag. 199-202 | |||||||
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The Peierls structural transition in the nanostructured tetrathiotetracene-iodide crystal with intermediate carrier concentration is studied in 2D approximation. In the frame of the physical model, two the most important electron-phonon interactions are considered: of the deformation potential type and of the polaron type. The interaction of carriers with the structural defects is also taken into account. The renormalized phonon spectrum is calculated in the random phase approximation. The method of retarded temperature dependent Green function is applied. It is shown that the transition is of Peierls type and strongly depends on iodine concentration |
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Cuvinte-cheie interchain interaction, Metal-insulator transition, Peierls critical temperature, Quasi-one-dimensional organic materials, renormalized phonons |
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