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Blue-Green Electroluminescence of Free-Standing Diamond
Thin Films |
ZHANG Binglin;SHEN Shupo;WANG Jian’en;HE Jintian;Howard R. Shanks*;Moeljanto W. Leksono*;Robert Girvan* |
He’nan Fundamental and Applied Science Research Institute, and Department of Physics, Zhengzhou University, He’nan 450052
*Microelectronics Research Center, Iowa State University, Ames, IA 50010, USA |
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Cite this article: |
ZHANG Binglin, SHEN Shupo, WANG Jian’en et al 1994 Chin. Phys. Lett. 11 235-238 |
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Abstract Blue-green electroluminescence has been observed in free-standing diamond films which were deposited by microwave plasma assisted CVD on silicon substrates. The electroluminescence device is driven by a 60 Hz power supply. The threshold voltage was about 112 V peak-to-peak. The electroluminescence spectrum at room temperature, showed a blue-green band with the peak centered at 485nm suggesting band A type emission. Electroluminescence was also observed at 77K.
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Keywords:
68.55.Gi
85.60.Jb
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Published: 01 April 1994
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