期刊
出版社
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.42.75
关键词
nitrogen irradiation; electron cyclotron resonance; Auger electron spectroscopy; X-ray photoelectron spectroscopy; zinc oxide; nitrogen doping; single crystal; polar surface
Nitrogen radicals were irradiated on the (0001) and (0001) surfaces of the ZnO single,crystals, and the stability and the states of N ions on the surfaces were investigated by Auger electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS). On the (0001) surface, many N ions replaced the O ions of ZnO during annealing in oxygen gas or vacuum after nitrogen treatment. However, few N ions replaced the O ions of ZnO on the (000 (1) over bar) surface. These results suggest that the nitrogen doping on the (0001) surface is more effective than that on the (000 (1) over bar) surface.
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