Title:
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Time-resolved measurements on 2T2 -> 2E photoluminescence of Ti3+ in GaP
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Author:
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Roura Grabulosa, Pere; Benyattou, T.; Guillot, G.; Moncorge, R.; Ulrici, W.
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Other authors:
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Universitat de Barcelona |
Abstract:
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The time dependence of the
2
T
2
→
2
E photoluminescence transition of
Ti
3
+
Ga
in GaP has been measured on semi-insulating, p-type conducting, and n-type conducting samples. A decay time
τ
0
=2.0 μs was obtained at T=10 K. The temperature dependence of the decay time in the conducting samples is found to be affected by the capture of free carriers by
Ti
3
+
Ga
in the excited state whereas the results on p-type conducting samples suggest hole localization at the
Ti
3
+
Ga
. |
Subject(s):
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-Luminescència -Semiconductors -Photoluminescence -Semiconductors |
Rights:
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(c) The American Physical Society, 1992
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Document type:
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Article Article - Published version |
Published by:
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The American Physical Society
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