Investigation of non-hydrogenated DLC:Si prepared by cathodic arc[Diamond-Like Carbon]

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Non-hydrogenated DLC films (also referred as ta-C) have been extensively studied and are used for a variety of wear related applications. Alloying DLC with refractory metals and other elements have been shown to be promising techniques to overcome some of the problems associated with pure DLC, such as excessive level of intrinsic stresses and high-temperature stability. The microstructure of DLC:Me in general consists of crystalline metal carbides dispersed in a DLC matrix. In contrary, DLC:Si has an amorphous structure. We have used filtered cathodic arc to prepare DLC:Si up to 6 percent Si, and have characterized their structure and bonding ... continued below

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Monteiro, Othon R. & Delplancke-Ogletree, Marie-Paule March 18, 2002.

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Non-hydrogenated DLC films (also referred as ta-C) have been extensively studied and are used for a variety of wear related applications. Alloying DLC with refractory metals and other elements have been shown to be promising techniques to overcome some of the problems associated with pure DLC, such as excessive level of intrinsic stresses and high-temperature stability. The microstructure of DLC:Me in general consists of crystalline metal carbides dispersed in a DLC matrix. In contrary, DLC:Si has an amorphous structure. We have used filtered cathodic arc to prepare DLC:Si up to 6 percent Si, and have characterized their structure and bonding using microscopy (TEM) and spectroscopy (XPS, NEXAFS). The effect of Si in changing the bonding configuration of the C network is discussed. The microstructure is then correlated to hardness and friction measured by nano-indentation and micro-wear.

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OSTI as DE00795987

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  • International Conference on Metallurgical Coatings and Thin Films, San Diego, CA (US), 04/22/2002--04/25/2002

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  • Report No.: LBNL--49944
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 795987
  • Archival Resource Key: ark:/67531/metadc735937

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  • March 18, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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Monteiro, Othon R. & Delplancke-Ogletree, Marie-Paule. Investigation of non-hydrogenated DLC:Si prepared by cathodic arc[Diamond-Like Carbon], article, March 18, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc735937/: accessed November 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.