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Proceedings Paper

Localized states in wide-gap oxide glasses
Author(s): Anatoly N. Trukhin
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Paper Abstract

Localized states manifest themselves by light absorption at the optical gap of a glass and by luminescence excited there with Stoke's shift. They are created by the minority structural motifs of one or many structural modifications in which a material can exist, and which can provide electronic states absorption at the optical gap. Their wavefunctions overlapping determine the luminescence intensity dependence on the temperature [I(T)on the order of magnitude exp(- T/T0)] and power law (t-1) of luminescence decay kinetics, which include intra-center processes due to triplet-singlet transitions and recombination processes due to a tunnel and overbarrier transitions, as well as a fast component of luminescence decay (some ns) due to singlet-singlet transitions.

Paper Details

Date Published: 4 February 1997
PDF: 8 pages
Proc. SPIE 2967, Optical Inorganic Dielectric Materials and Devices, (4 February 1997); doi: 10.1117/12.266518
Show Author Affiliations
Anatoly N. Trukhin, Univ. of Latvia (Latvia)


Published in SPIE Proceedings Vol. 2967:
Optical Inorganic Dielectric Materials and Devices
Andris Krumins; Donats K. Millers; Andris R. Sternberg; Janis Spigulis, Editor(s)

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