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Title: Note: Electrochemical etching of cylindrical nanoprobes using a vibrating electrolyte

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/1.4926457· OSTI ID:22483269
; ; ;  [1]
  1. College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 (China)

An electrochemical etching process using a vibrating electrolyte of potassium hydroxide to prepare tungsten cylindrical nanotips is developed. The vibrating electrolyte eases the effects of a diffusion layer and extends the etching area, which aid in the production of cylindrical nanotips. Larger amplitudes and a vibration frequency of 35 Hz are recommended for producing cylindrical nanotips. Nanotips with a tip radius of approximately 43 nm and a conical angle of arctan 0.0216 are obtained.

OSTI ID:
22483269
Journal Information:
Review of Scientific Instruments, Vol. 86, Issue 7; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
Country of Publication:
United States
Language:
English