Electrochemical fabrication of scanning tunneling microscopy tips without an electronic shut-off control

H. Bourque; R. M. Leblanc

doi:10.1063/1.1145612

Electrochemical fabrication of scanning tunneling microscopy tips without an electronic shut-off control

H. Bourque, R. M. Leblanc

Chemistry

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We report a modified procedure to fabricate electrochemically etched scanning tunneling microscopy tips under ac voltage. By both confining the etching action to a small region and controlling the etching current on a tungsten wire, we produce ultrasharp tips with low-aspect ratio. No electronic shut-off control is required. Atomic resolution images are routinely obtained.

Original language	English (US)
Pages (from-to)	2695-2697
Number of pages	3
Journal	Review of Scientific Instruments
Volume	66
Issue number	3
DOIs	https://doi.org/10.1063/1.1145612
State	Published - Dec 1 1995

ASJC Scopus subject areas

Instrumentation

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10.1063/1.1145612

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title = "Electrochemical fabrication of scanning tunneling microscopy tips without an electronic shut-off control",

abstract = "We report a modified procedure to fabricate electrochemically etched scanning tunneling microscopy tips under ac voltage. By both confining the etching action to a small region and controlling the etching current on a tungsten wire, we produce ultrasharp tips with low-aspect ratio. No electronic shut-off control is required. Atomic resolution images are routinely obtained.",

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AB - We report a modified procedure to fabricate electrochemically etched scanning tunneling microscopy tips under ac voltage. By both confining the etching action to a small region and controlling the etching current on a tungsten wire, we produce ultrasharp tips with low-aspect ratio. No electronic shut-off control is required. Atomic resolution images are routinely obtained.

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