SPM probe-assisted surface nanostructuring of boron-doped diamond

Surface modification of conductive boron-doped diamond has been conducted using the electrical field of the probe of a scanning probe microscope (SPM) at varying relative humidity (RH) of the ambient environment. It has been found that, under the action of positive polarity pulses applied to the sam...

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Bibliographic Details
Published in:Nanotechnologies in Russia 2016, Vol.11 (1-2), p.73-77
Main Authors: Zavedeev, E. V., Frolov, V. D., Pivovarov, P. A., Ral’chenko, V. G., Yurov, V. Yu, Pereverzev, V. G., Konov, V. I.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Industrial and Production Engineering
Machines
Manufacturing
Materials Science
Nanotechnology
Processes
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Summary:Surface modification of conductive boron-doped diamond has been conducted using the electrical field of the probe of a scanning probe microscope (SPM) at varying relative humidity (RH) of the ambient environment. It has been found that, under the action of positive polarity pulses applied to the sample via a grounded SPM probe, the sample material undergoes modification. The modification pattern depends on atmospheric RH: low (up to 32%) and high humidity values (above 35%) lead to the formation of cavities and protrusions, respectively. It has been found that the resulting protrusions exhibit temporary instability; that is, a protrusion is partially transformed into an array of nanoobjects. The mechanism of modification of boron-doped diamond–local anodic oxidation–has been discussed.
ISSN:1995-0780
1995-0799
DOI:10.1134/S199507801601016X