Journal
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
Volume 46, Issue 12-16, Pages L265-L267Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/JJAP.46.L265
Keywords
photoinduced phenomena; photodarkening; volume expansion; percolation; oxide; chalcogenide; oxy-chalcogenide; GeO2; GeS2
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Composition dependences of glass-transition temperature, optical gap, photodarkening, and photoinduced volume change in xGeO(2)-(100-x)GeS2 oxy-chalcogenide glasses have been studied comparatively. The transition temperature and optical gap are nearly constant at 0 <= x less than or similar to 80 mol %, while the photodarkening and volume expansion appear only at x less than or similar to 60. Implications of these results are discussed.
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