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《Journal of Chinese Electron Microscopy Society》 2014-01
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Gas sensor based on Ga_2O_3 nanowires

ZHONG Wei;WANG Peng-wei;HAN Xiao-bing;YU Da-peng;School of Physics,Peking University;  
The conductance of the gallium oxide that change in different ambient atmosphere at high temperature( above 400 ℃)makes it a promising material as high temperature gas sensor. Compared to gallium oxide film,gallium oxide nanowire arrays has huge surface-volume ratio for better contact with target gases. We fabricated gas sensors using doped and undoped gallium oxide nanowire patterns that were grown on substrate. Their response to reducing gases was tested and their sensor mechanism was studied.
【Fund】: 国家自然科学基金资助项目(No.10974003)
【CateGory Index】: TB383.1
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