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Influence of silver clusters on the light absorption in CdBr2-Ag crystals

[+] Author Affiliations
Stefano Bellucci

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati, Via Enrico Fermi, 40, Frascati, IT-00044 Italy

Ivan Bolesta, Ivan Karbovnyk, Igor Kolych, Sergiy Martyniv, Sergiy Velgosh

National University of Lviv, Department of Electronics, 107 Tarnavskogo St., Lviv, 79017 Ukraine

J. Nanophoton. 4(1), 049503 (February 25, 2010). doi:10.1117/1.3364061
History: Received July 23, 2009; Revised January 21, 2010; Accepted January 22, 2010; February 25, 2010; Online February 25, 2010
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Abstract

Experimental studies of the absorption spectra of CdBr2-Ag photochromic crystals revealed several absorption bands positioned close to the intrinsic absorption edge. It is suggested that impurity silver ions, neutral silver atoms and intrinsic lattice defects form nanoclusters which are responsible for the absorption peaks within the transparency range of the crystal. The effect of UV radiation on the absorption profile is also discussed in the framework of the proposed model.

© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

Stefano Bellucci ; Ivan Bolesta ; Ivan Karbovnyk ; Igor Kolych ; Sergiy Martyniv, et al.
"Influence of silver clusters on the light absorption in CdBr2-Ag crystals", J. Nanophoton. 4(1), 049503 (February 25, 2010). ; http://dx.doi.org/10.1117/1.3364061


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