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Influence of morphology on the conductance of single-crystal diamond surfaces measured by atomic force microscopy

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11 Author(s)
Tranvouez, E. ; Laboratoire de Photophysique Moléculaire, CNRS, Université Paris Sud, Bat. 210, 91405 Orsay, France ; Boer-Duchemin, E. ; Mayne, A.J. ; Vanderbruggen, T.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3211306 

A detailed atomic force microscopy (AFM) study of the conductance of hydrogenated single-crystal diamond (100) surfaces over submicron length scales is presented. The hydrogenation process was found to influence the surface morphology by reducing surface roughness, with the subsequent appearance of small triangular structures (with side lengths of 200 nm). Conducting AFM measurements revealed variations in the current and resistance that were related to the topography. Possible explanations include surface inhomogeneity of the electronic structure or variations in the contact resistance due to the surface roughness.

Published in:
Journal of Applied Physics  (Volume:106 ,  Issue: 5 )

Date of Publication: Sep 2009

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