Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3692584
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Funding
- Natural Science Foundation of China [51002066]
- Research Foundation of Jiangsu University [09JDG004]
- University of Ulsan
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Understanding the defect physics of ZnO is crucial in controlling its properties for various applications. We report the observation of an interesting 1.64 eV near-infrared (NIR) photoluminescence from ZnO and its evolution with annealing temperature. Based on a recent calculation on the transition levels of native point defects of ZnO [A. Janotti and C. G. Van de Walle, Phys. Rev. B 76, 165202 ( 2007)], the NIR emission can be successfully explained by the donor-acceptor transition between V-O and V-Zn and/or the radiative recombination of shallowly trapped electrons with deeply trapped holes at O-i. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3692584]
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