Published August 3, 1987
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"Oxide-free" tip for scanning tunneling microscopy
Abstract
We report a new tip for scanning tunneling microscopy and a tip repair procedure that allows one to reproducibly obtain atomic images of highly oriented pyrolytic graphite with previously inoperable tips. The tips are shown to be relatively oxide-free and highly resistant to oxidation. The tips are fabricated with graphite by two distinct methods.
Additional Information
Copyright © 1987 American Institute of Physics. Received 9 April 1987; accepted 8 June 1987. We gratefully acknowledge helpful discussions with M. Weimer, J. Kramar, R. Driscoll, M. Youngquist, and T. Coley and the technical assistance of P. Koen of the Caltech Electron Microscope Facility and J. Wandass and R. Jones of the Naval Research Laboratory Surface Chemistry Branch. This material is based upon work supported under a National Science Foundation Graduate Fellowship and by the Office of Naval Research, the National Institute of Health, and the Shell Companies Foundation. One of us (W.J.K.) wishes to acknowledge the support of SDIO/Innovative Science and Technology Office through an agreement with NASA.Files
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- CaltechAUTHORS:COLapl87
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