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Faculty of Sciences
Document Details
Document Type
:
Article In Journal
Document Title
:
Photo-induced effects on electrical properties of Ga15Se81Ag4 chalcogenide thin films
Photo-induced effects on electrical properties of Ga15Se81Ag4 chalcogenide thin films
Subject
:
physics
Document Language
:
English
Abstract
:
The present work deals with the study of photo-induced crystallization on thermally evaporated Ga15Se81Ag4 chalcogenide thin films. It has been achieved by shining white light using 1500W tungsten lamp. The ambient temperature during illumination process was controlled and kept at 75 degrees C, which is in between the glass transition and crystallization temperature of Ga15Se81Ag4 glasses. The exposure time was experimentally established for different illumination times from 0 to 120 min. After various exposure times, thin films were characterized by XRD and SEM. The dc conductivities and activation energies of these thin films were measured in temperature range of 303- 403 K. It is found that the activation energy in Ga15Se81Ag4 chalcogenide thin films decreases with increasing the exposure time whereas the dc conductivity increases at each temperature by increasing the illumination time
ISSN
:
0167-577X
Journal Name
:
MATERIALS LETTERS
Volume
:
66
Issue Number
:
1
Publishing Year
:
1433 AH
2012 AD
Article Type
:
Article
Added Date
:
Tuesday, July 25, 2017
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
M. A Alvi
Alvi, M. A
Investigator
Doctorate
alveema@hotmail.com
Shamshad A Khan
Khan, Shamshad A
Researcher
Doctorate
A.A Al-Ghamdi,
Al-Ghamdi, A.A
Researcher
Doctorate
Files
File Name
Type
Description
42270.pdf
pdf
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