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A simple method to prepare gold tips for scanning tunneling microscopy has been introduced. In this method, electrochemical etching without a hazardous electrolyte was employed. The setup uses basic laboratory instrumentation to control the etching process. This avoids purchasing complicated, expensive, and dedicated equipment for tip preparation. A procedure to optimize the etching parameters by setting the current limit is described. Etched tips were checked with both optical and scanning electron microscopy.
Published in:
Review of Scientific Instruments
(Volume:81
,
Issue:
1
)
Date of Publication: Jan 2010
- Page(s):
- 016110 - 016110-3
- ISSN :
- 0034-6748
- Digital Object Identifier :
- 10.1063/1.3293459
- Date of Current Version :
- 29 January 2010
- Issue Date :
- Jan 2010
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