Optical and electrical characteristics of amorphous diamond films
Publication in refereed journal

香港中文大學研究人員

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摘要Amorphous diamond (a-D) films have been formed by magnetic field filtered carbon ion deposition. The optical and electrical characteristics of these films as a function of the substrate bias voltage V-h have been studied using optical absorption spectroscopy and electrical measurements. The results show that a-D films with high sp(3) fractions were formed when the substrate bias voltage V-b was in the range -10 V to -50 V. The optical band gap of such a-D films was found to be larger than 3 eV. It is shown that optical absorption spectroscopy is a simple method to compare qualitatively the sp(3) fractions in carbon films. The mechanisms of transport in these films are also studied and discussed. (C) 1997 Elsevier Science S.A.
著者Wei AX, Chen DH, Peng SQ, Ke N, Wong SP
會議名稱7th European Conf on Diamond, Diamond-Like and Related Materials (Diamond Films 96) / 5th International Conf on the New Diamond Science and Technology (ICNDST-5)
會議開始日08.09.1996
會議完結日13.09.1996
會議地點TOURS
期刊名稱Diamond and Related Materials
出版年份1997
月份5
日期1
卷號6
期次8
出版社ELSEVIER SCIENCE SA LAUSANNE
頁次983 - 986
國際標準期刊號0925-9635
語言英式英語
關鍵詞electrical conductivity; optical absorption; tetrahedral amorphous carbon
Web of Science 學科類別Materials Science; Materials Science, Multidisciplinary; MATERIALS SCIENCE, MULTIDISCIPLINARY

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