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Title: Selective excitation and thermal quenching of the yellow luminescence of GaN
Authors: Colton, J.S.
Yu, P.Y.
Teo, K.L. 
Weber, E.R.
Perlin, P.
Grzegory, I.
Uchida, K.
Issue Date: 22-Nov-1999
Citation: Colton, J.S.,Yu, P.Y.,Teo, K.L.,Weber, E.R.,Perlin, P.,Grzegory, I.,Uchida, K. (1999-11-22). Selective excitation and thermal quenching of the yellow luminescence of GaN. Applied Physics Letters 75 (21) : 3273-3275. ScholarBank@NUS Repository.
Abstract: We report the observation of narrower structures in the yellow luminescence of bulk and thin-film n-type GaN, using the technique of selective excitation. These fine structures exhibit thermal quenching associated with an activated behavior. We attribute these fine structures to phonons and electronic excitations of a shallow donor-deep acceptor complex, and determine its activation energy for delocalization. Our results suggest that in addition to distant donor-acceptor pairs, the yellow luminescence can also involve emission complexes of shallow donors and deep acceptors. © 1999 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
Appears in Collections:Staff Publications

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