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Proceedings Paper

Excitonic states in polar molecular crystals
Author(s): Alytis Gruodis; Vidita Alisauskaite; Saulius Jursenas; Leonas Valkunas; Inta Muzikante
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Paper Abstract

Fluorescence and reflectance spectra of dipolar N,N-dimethylaminobenzylidene 1,3-indandione (DMABI) molecular crystals of α and β crystallographic modifications have been studied over a wide temperature range. The luminescence spectral properties have been discussed by means of the self-trapped exciton model. The crystal phase transition in both α and β modifications resulting in the deeply-trapped excitonic state formation has been observed at low temperatures, below 60 K.

Paper Details

Date Published: 8 August 2003
PDF: 8 pages
Proc. SPIE 5122, Advanced Organic and Inorganic Optical Materials, (8 August 2003); doi: 10.1117/12.515772
Show Author Affiliations
Alytis Gruodis, Vilnius Univ. (Lithuania)
Vidita Alisauskaite, Vilnius Univ. (Lithuania)
Saulius Jursenas, Vilnius Univ. (Lithuania)
Institute of Physics (Lithuania)
Leonas Valkunas, Institute of Physics (Lithuania)
Inta Muzikante, Institute of Physical Energetics (Latvia)

Published in SPIE Proceedings Vol. 5122:
Advanced Organic and Inorganic Optical Materials
Andris Krumins; Donats Millers; Inta Muzikante; Andris Sternbergs; Vismants Zauls, Editor(s)

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