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Computational Study of the Imaging of a Molecular Crystal with the Atomic Force Microscope

Krantzman, Kristin D. and Rees, Douglas C. and Farrelly, David (1991) Computational Study of the Imaging of a Molecular Crystal with the Atomic Force Microscope. Journal of Physical Chemistry, 95 (23). pp. 9039-9042. ISSN 0022-3654. doi:10.1021/j100176a006. https://resolver.caltech.edu/CaltechAUTHORS:20150205-142330668

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Abstract

Atomic force microscopy (AFM) has the capacity to probe the surface topography of a variety of materials with atomic scale resolution.Unlike scanning tunneling microscopy AFM does not depend on the sample being an electrical conductor and therefore provides an ideal way to image the surfaces of nonconducting molecular crystals. Many studies have focused on characterizing the surfaces of metals or semiconductor crystals. An alternative and potentially important application of AFM is to the characterization of the surfaces of biochemical crystals, with a view to mapping out active sites in proteins. While AFM has been able to resolve the surface structure of crystals with atomic scale resolution, an important issue is the unique identification of individual surface atoms; for example, to use AFM to determine which cleavage plane of a molecular crystal is exposed. This letter reports a numerical simulation of a recent AFM study of the {100} surface of a DL-leucine crystal performed by Hansma and co-workers using a shattered diamond tip.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/j100176a006 DOIArticle
http://pubs.acs.org/doi/abs/10.1021/j100176a006PublisherArticle
ORCID:
AuthorORCID
Rees, Douglas C.0000-0003-4073-1185
Additional Information:© 1991 American Chemical Society. Received: August 12, 1991. Support from NSF, NIH, and DARPA is gratefully acknowledged. We thank John Milligan for assistance with the graphics.
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
NIHUNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Issue or Number:23
DOI:10.1021/j100176a006
Record Number:CaltechAUTHORS:20150205-142330668
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150205-142330668
Official Citation:A computational study of the imaging of a molecular crystal with the atomic force microscope Kristin D. Krantzman, Douglas C. Rees, and David Farrelly The Journal of Physical Chemistry 1991 95 (23), 9039-9042
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54457
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:07 Feb 2015 22:57
Last Modified:10 Nov 2021 20:33

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