Zobrazeno 1 - 10 of 326 pro vyhledávání: '"Safa, Kasap"'
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Akademický článek
The Effect of Fractionation during the Vacuum Deposition of Stabilized Amorphous Selenium Alloy Photoconductors on the Overall Charge Collection Efficiency
Autor: Safa Kasap
Publikováno v: Sensors, Vol 22, Iss 19, p 7128 (2022)
The general fabrication process for stabilized amorphous selenium (a-Se) detectors is vacuum deposition. The evaporant alloy is typically selenium alloyed with 0.3–0.5%As to stabilize it against crystallization. During the evaporation, fractionatio
Externí odkaz: https://doaj.org/article/6fb3e72c8efd4d3daa829bf25d5a6ba7
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4
Effect of Substrate Temperature on the Structural, Optical and Electrical Properties of DC Magnetron Sputtered VO2 Thin Films
Autor: Chunzi Zhang, Ozan Gunes, Shi-Jie Wen, Qiaoqin Yang, Safa Kasap
Publikováno v: Materials; Volume 15; Issue 21; Pages: 7849
This study focuses on the effect of the substrate temperature (TS) on the quality of VO2 thin films prepared by DC magnetron sputtering. TS was varied from 350 to 600 °C and the effects on the surface morphology, microstructure, optical and electric
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e5e9b1280b18034f684dc5d1131361f
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5
Self-heating-induced electrical and optical switching in high quality VO2 films controlled with current pulses
Autor: Qiaoqin Yang, George Belev, Chunzi Zhang, Cyril Koughia, Shi-Jie Wen, Safa Kasap, Ozan Gunes
Publikováno v: Journal of Materials Science: Materials in Electronics. 32:24285-24295
Self-heating (SH)-induced electrical and optical switching in high quality VO2 films grown by magnetron sputtering on a c-cut sapphire substrate has been investigated under various applied constant current pulses (ID). The effect of SH on the behavio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71acfbb011bd1fc9edbaca580c4bfa0c
https://doi.org/10.1007/s10854-021-06895-2
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7
Effects of High-Dose X-Ray Irradiation on the Hole Lifetime in Vacuum-Deposited Stabilized a-Se Photoconductive Films: Implications to the Quality Control of a-Se Used in X-Ray Detectors
Autor: Safa Kasap, Robert E. Johanson, B. Simonson
Publikováno v: IEEE Transactions on Nuclear Science. 67:2445-2453
Stabilized amorphous selenium (a-Se)-based digital flat-panel X-ray imaging detectors are widely used in modern mammography. The dependence of the hole lifetime, $\tau _{h}$ , in a-Se on high-dose X-ray irradiation under high electric fields is exami
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dcd2ddb0998bb06c765d74a3b71d4337
https://doi.org/10.1109/tns.2020.3023687
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8
Frequency- and time-resolved photocurrents in vacuum-deposited stabilised a-Se films: the role of valence alternation defects
Autor: George Belev, Richard J. Curry, Safa Kasap, Adam Brookfield, Janet Jacobs, Floriana Tuna
Publikováno v: Jacobs, J, Belev, G, Brookfield, A, Tuna, F, Kasap, S & Curry, R 2020, ' Frequency-and time-resolved photocurrents in vacuum-deposited stabilised a-Se films: the role of valence alternation defects ', Journal of Materials Science-Materials in Electronics, vol. 31, no. 18, pp. 15489-15504 . https://doi.org/10.1007/s10854-020-04111-1
Stabilised amorphous selenium (a-Se) is currently used in the majority of direct conversion mammographic X-ray imaging detectors due to its X-ray photoconductivity and its ability to be uniformly deposited over large area TFT substrates by convention
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dce116861c7a67c8d58ff3c8ff5e87a
https://doi.org/10.1007/s10854-020-04111-1
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