Thermally Stimulated Luminescence in Ion-Implanted GaAs
Date
2002
Authors
Gal, Michael
Dao, Lap Van
Kraft, E
Johnston, Michael B
Carmody, C
Jagadish, Chennupati
Tan, Hark Hoe
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Volume Title
Publisher
Elsevier
Abstract
We have studied the temperature dependence of the luminescence of ion implanted GaAs between 10 and 300 K. We found that at certain temperatures the luminescence increases with increasing temperature. We attribute these localised increases in the luminescence intensity to the thermal excitation of carriers out of traps, or in other words, to thermally stimulated luminescence or thermoluminescence. Model calculations which include thermoluminescence produce excellent agreement with the experimental data and allow us to determine the trap parameters.
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Keywords
Keywords: Charge carriers; Crystal defects; Energy gap; Ion implantation; Mathematical models; Photoluminescence; Semiconducting gallium arsenide; Thermal excitations; Thermoluminescence Defect luminescence; GaAs; Ion implantation; Photoluminescence; Thermoluminescence
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Source
Journal of Luminescence
Type
Journal article
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2037-12-31
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