TITLE

Anisotropic etching of diamond by molten Ni particles

AUTHOR(S)
Smirnov, W.; Hees, J. J.; Brink, D.; Müller-Sebert, W.; Kriele, A.; Williams, O. A.; Nebel, C. E.
PUB. DATE
August 2010
SOURCE
Applied Physics Letters;8/16/2010, Vol. 97 Issue 7, p073117
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Nanopores in insulating solid state membranes have recently attracted much interest in the field of probing, characterizing, and manipulating single linear polymers such as DNA/RNA and proteins in their native environment. Here a low cost, fast, and effective way to produce nanostructures such as pyramidal shaped nanopores and nanochannels with dimensions down to about 15 nm in diamond membranes without any need for electron-beam lithography is demonstrated. By use of a catalytic process, anisotropic etching of diamond with self-organized Ni nanoparticles in hydrogen atmosphere at 900 °C is achieved and possible etching mechanisms are discussed. It is shown that diamond planes with the crystallographic orientation of [111] are etched slowest with this method.
ACCESSION #
52997908

 

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