Zinc Oxynitride Films Prepared by Pulsed Laser Deposition
Procedia technology(2014)
摘要
We have studied the optimal deposition conditions for the production of low-oxygen-content Zinc nitride films (ZnON) by Pulsed Laser Deposition (PLD). In particular, substrate temperature has been varied between 100 and 500°C. The film properties, particularly its morphology, showed a strong dependence on substrate temperature. Substrate temperatures beyond 350°C led to highly crystalline and smooth films with a band gap of 3.32eV and with resistivities ranging from 10-2 to 100Ωcm. Film quality and surface oxygen content changed rapidly with exposure to air as evidenced by XPS analysis.
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关键词
Oxynitride thin films,ZnON,Wide band gap semiconductor,Pulsed laser deposition (PLD)
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