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http://dx.doi.org/10.1103/physrevb.33.1987 | DOI Listing |
ACS Appl Mater Interfaces
June 2019
Tribology Research Institute, State Key Laboratory of Traction Power , Southwest Jiaotong University, Chengdu 610031 , China.
We employed a scanning probe-based lithography process on single-crystalline Si(100), Si(110), and Si(111) surfaces and studied the effects of crystallographic surface structures on mechanochemical etching of silicon in liquid water. The facet angle and etching rate of the mechanochemical process were different from those of the purely chemical etching process. In liquid water, the shape of the mechanochemically etched nanochannel appeared to be governed by thermodynamics of the etched surface, rather than stress distribution.
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