Journal
APPLIED PHYSICS LETTERS
Volume 84, Issue 14, Pages 2515-2517Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1695436
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In this study, we investigated the 248 nm excimer-laser-induced activation of the Mg-doped GaN layers. According to the observed photoluminescence results and the x-ray photoelectron spectroscopy measurements, we found that the dissociation of the Mg-H complexes and the formation of hydrogenated Ga vacancies (i.e., VGaH2) and/or the Ga vacancies occupied by interstitial Mg during the laser irradiation process, led to an increase in the hole concentration. (C) 2004 American Institute of Physics.
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