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ACHAMMA GEORGE1, D. SUSHAMA2, P. PREDEEP3,*
Optical studies have been performed on alloyed samples of [Ge 20 Se 80-x Bi x (x = 0, 2.5, 4, 6)] prepared by conventional melt quenching technique. The glass transition temperatures of the given glass system are evaluated using Modulated Differential Scanning Calorimetry [MDSC]. Optical absorption measurements showed that the fundamental absorption edge is a function of composition. The energy gap (Eg) decreases with the increase of Bi content and variation of the optical band gap with the compositions is also studied.
Ge-Se glass, Bi-doping, MDSC, Energy gap.
ACHAMMA GEORGE, D. SUSHAMA, P. PREDEEP, Optical properties of bismuth doped Ge-Se glass system, Optoelectronics and Advanced Materials - Rapid Communications, 3, 9, September 2009, pp.951-953 (2009).
Submitted at: Sept. 10, 2009
Accepted at: Sept. 15, 2009
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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