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Top-surface characterization of a near frictionless carbon film
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Johnson, Jacqueline A., Holland, Diane, Woodford, John B., Zinovev, Alexander, Gee, Ian A., Eryilmaz, Osman L. and Erdemir, Ali (2007) Top-surface characterization of a near frictionless carbon film. Diamond and Related Materials, Vol.16 (No.2). pp. 209-215. doi:10.1016/j.diamond.2006.05.005 ISSN 0925-9635.
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Official URL: http://dx.doi.org/10.1016/j.diamond.2006.05.005
Abstract
A detailed study of the top surface (similar to 2 nm) of a near frictionless carbon film has revealed new information with respect to the sp(3) fraction. Previous work on near frictionless carbon films made at Argonne had shown a large fraction of sp(2)-hybridized carbon in the bulk of the film. However, in this study of the surface, the majority of the carbon was found to be sp(3). In addition we compared and contrasted the behavior of the films after mechanical abrasion and Ar+ etching. The study also revealed that oxygen on untreated samples was rapidly reduced by etching or heating or mechanical abrasions this finding was corroborated by an angle-resolved study, where different depths of the sample were probed. It was also found that the traction of sp(3) carbon decreased linearly with depth, falling in one film from similar to 90% sp(3) to similar to 80% sp(3) in the top 2 nm. (c) 2006 Elsevier B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Diamond and Related Materials | ||||
Publisher: | Elsevier S.A. | ||||
ISSN: | 0925-9635 | ||||
Official Date: | February 2007 | ||||
Dates: |
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Volume: | Vol.16 | ||||
Number: | No.2 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 209-215 | ||||
DOI: | 10.1016/j.diamond.2006.05.005 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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