Photoexpansion and photorefraction in oxysulphide glasses
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Elsevier B.V.
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Resumo
Oxysulphide glasses have been prepared in the pseudo binary system GeS(2.6)-Ga(2)O(3). The effect of addition of gallium oxide has been evaluated in term of thermal and optical properties. Structural behavior has been studied using Raman spectroscopy. Samples have been exposed above band gap energy (3.52 eV) varying power density and exposure time. Giant photoexpansion and photorefraction is obtained for samples containing 20% of Ga(2)O(3). (C) 2009 Elsevier B.V. All rights reserved.
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GeS(2), Oxysulphide, Photoexpansion, Photorefraction, Raman spectroscopy
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Inglês
Citação
Solid State Ionics. Amsterdam: Elsevier B.V., v. 180, n. 32-35, p. 1491-1496, 2009.
