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Proceedings Paper

Peculiarities of InSe absorption spectra in the domain of direct exciton transitions
Author(s): Natalya K. Kramar; Valeriy M. Kramar; Olena V. Pugantseva
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Paper Abstract

The results of theoretical investigation of the peculiarities of exciton-phonon interaction in ε-InSe and its influence on the absorption spectrum in the domain of transitions into basic and higher exciton states are represented in this paper. The values of maximum shift of the corresponding exciton band and its half-width were calculated taking into account the interaction with low-energy and conventional longitudinal optical phonons and with oscillations of the bend wave important for layered crystals. For the bands connected with direct vertical transitions into the basic and higher exciton states the temperature changes of their partial shifts and extensions caused by the interaction with each of the mentioned branches of the phonon spectrum were studied.

Paper Details

Date Published: 31 December 2009
PDF: 5 pages
Proc. SPIE 7388, Ninth International Conference on Correlation Optics, 738812 (31 December 2009); doi: 10.1117/12.853583
Show Author Affiliations
Natalya K. Kramar, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Valeriy M. Kramar, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Olena V. Pugantseva, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)


Published in SPIE Proceedings Vol. 7388:
Ninth International Conference on Correlation Optics
Oleg V. Angelsky, Editor(s)

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