期刊
JOURNAL OF APPLIED PHYSICS
卷 94, 期 9, 页码 5787-5790出版社
AMER INST PHYSICS
DOI: 10.1063/1.1617357
关键词
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We investigated polycrystalline zinc oxide (ZnO) with different annealing conditions in air by x-ray photoelectron spectroscopy and photoluminescence. We found that the concentration of antisite oxide (O-Zn) increases when ZnO ceramics were in an O-rich condition. As the concentration of antisite oxide (O-Zn) increased, the photoluminescence intensity of the green band emission increased. The crossover temperature of the free and bound excitons was roughly estimated as 100 K. (C) 2003 American Institute of Physics.
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