Nanometer scale patterning of a monolayer Langmuir–Blodgett film with a scanning tunneling microscope in air
- 5 April 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 62 (14) , 1629-1631
- https://doi.org/10.1063/1.108608
Abstract
Nanometer scale patterns have been fabricated on a Langmuir–Blodgett deposited monolayer film of stearic acid using a scanning tunneling microscope in air. Carbon deposits build up underneath the tip for tip voltages with absolute value greater than 4 V. Using an atomic force microscope for image, lines 25 nm wide on a 60 nm period have been written. As confirmed with Auger electron spectroscopy, the unexposed film can be removed with a chloroform soak without affecting the existing carbon patterns, and no additional patterns could then be written because of the removal of the monolayer film.Keywords
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