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Type: 
Journal
Description: 
The authors have developed a high pressure method to produce bulk chalcogenide glasses of a unique AsS composition. The structure, optical properties, and stability of the obtained glasses have been studied. Glasses have an intrinsic deep-red color, optical pseudogap Eg 1.75 eV, a broad Urbach absorption tail WU 120 meV, and high temperature stability up to 130 C. AsS glasses show photoinduced transformations, including photocrystallization. The glass structure is largely based on the quasimolecular As4S4 units with partial polymerization providing an example of an inorganic molecular-based glass.
Publisher: 
Publication date: 
1 Jan 2007
Authors: 
Biblio References: 
Volume: 91 Pages: 132101
Origin: 
Appl. Phys. Lett.