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VINEET SHARMA1,* , ANUP THAKUR2
The Se-Te alloy has more diverse scientific and practical applications in switching, memory devices, phase change recording devices etc as compared to a-Se, which crystallizes and ages easily. On illuminating the Se-Te thin film with visible light, it shows changes in structural, optical and electrical properties. This paper reports the changes in optical properties observed on illumination with electromagnetic radiation in visible region over Se-Te thin film. As a result of illumination, the increased absorption coefficient causes a decrease in the optical band gap. The change in the properties of thin film may be due to the increase in dangling bonds which increases the tailing in the band gap of the alloy.
Chalcogenide glasses, a-SeTe alloy, Photo-induced, Optical properties.
VINEET SHARMA, ANUP THAKUR, Effect of visible light on a-SeTe thin film, Optoelectronics and Advanced Materials - Rapid Communications, 3, 10, October 2009, pp.1046-1049 (2009).
Submitted at: Sept. 21, 2009
Accepted at: Oct. 2, 2009
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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