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Electron microscopic characterization of diamond films grown on Si by bias-controlled chemical vapor deposition

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Date
1990-01-01
Authors
Ma, GHM
Lee, YH
Glass, JT
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Abstract
Diamond films grown by Bias-Controlled Hot Filament Chemical Vapor Deposition (BCCVD) on silicon (Si) substrates were characterized by Transmission Electron Microscopy (TEM). Both plan-view and cross-sectional TEM samples were made from diamond films grown under different biasing conditions. It was found that defect densities in the films were substantially reduced under zero and reverse bias (substrate negative relative to the filament) as compared to forward bias. Furthermore, the diamond/Si interface of the reverse and zero bias films consisted of a single thin interfacial layer whereas multiple interfacial layers existed at the diamond/Si interface of films grown under forward (positive) bias. Tungsten (W) contamination was also found in the interfacial layers of forward bias films. It is concluded that forward biasing in the present condition is not favorable for growing high quality, low defect density, diamond films. The possible mechanisms which induced the microstructural differences under different biasing conditions are discussed. © 1990, Materials Research Society. All rights reserved.
Type
Journal article
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https://hdl.handle.net/10161/10323
Published Version (Please cite this version)
10.1557/JMR.1990.2367
Publication Info
Ma, GHM; Lee, YH; & Glass, JT (1990). Electron microscopic characterization of diamond films grown on Si by bias-controlled chemical vapor deposition. Journal of Materials Research, 5(11). pp. 2367-2377. 10.1557/JMR.1990.2367. Retrieved from https://hdl.handle.net/10161/10323.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Glass

Jeffrey Glass

Professor of Electrical and Computer Engineering
Jeffrey T. Glass is a Professor in the Department of Electrical and Computer Engineering and Director of the Institute for Enterprise Engineering. He holds the Hogg Family endowed chair in Engineering Management and Entrepreneurship. Formerly, he was the Co-Director of The Institute for the Integration of Management and Engineering at Case Western Reserve University (CWRU) and held the Joseph F. Toot, Jr. endowed chair in the Case School of Engineering. Prior to these university appointment
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