Specific features of the CuI nanocrystal structure in photochromic glasses

The absorption spectra of CuI nanocrystals with an average radii of 5.3 and 6.2 nm in photochromic glass matrix have been studied in the temperature range 38–300 K. It has been established that the copper iodide nanocrystals, like copper chloride and copper bromide nanocrystals of the same sizes, pr...

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Published inPhysics of the solid state Vol. 52; no. 4; pp. 805 - 809
Main Authors Akopyan, I. Kh, Golubkov, V. V., Dyatlova, O. A., Mamaev, A. N., Novikov, B. V., Tsagan-Mandzhiev, A. N.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.04.2010
Springer
Subjects
Crystals
Low-Dimensional Systems and Surface Physics
Physics
Physics and Astronomy
Solid State Physics
Structure
CuBr
Exciton Band
Copper Halide
CuCl
Bulk Crystal
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Summary:The absorption spectra of CuI nanocrystals with an average radii of 5.3 and 6.2 nm in photochromic glass matrix have been studied in the temperature range 38–300 K. It has been established that the copper iodide nanocrystals, like copper chloride and copper bromide nanocrystals of the same sizes, predominantly crystallize in a nonequilibrium form different from the stable low-temperature cubic modification. The structure of metastable modifications of copper halide nanocrystals in photochromic glasses has been discussed.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783410040220