Subnanometer Replica Molding of Molecular Steps on Ionic Crystals

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Subnanometer Replica Molding of Molecular Steps on Ionic Crystals

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Title: Subnanometer Replica Molding of Molecular Steps on Ionic Crystals
Author: Elhadj, Selim; Rioux, Robert M.; Dickey, Michael D.; DeYoreo, James J.; Whitesides, George M.

Note: Order does not necessarily reflect citation order of authors.

Citation: Elhadj, Selim, Robert M. Rioux, Michael D. Dickey, James J. DeYoreo, and George M. Whitesides. 2010. Subnanometer replica molding of molecular steps on ionic crystals. Nano Letters 10(10): 4140-4145.
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Abstract: Replica molding with elastomeric polymers has been used routinely to replicate features less than 10 nm in size. Because the theoretical limit of this technique is set by polymer-surface interactions, atomic radii, and accessible volumes, replication at subnanometer length scales should be possible. Using polydimethylsiloxane to create a mold and polyurethane to form the replica, we demonstrate replication of elementary steps 3−5 Å in height that define the minimum separation between molecular layers in the lattices of the ionic crystals potassium dihydrogen phosphate and calcite. This work establishes the operation of replica molding at the molecular scale.
Published Version: doi:10.1021/nl102409d
Other Sources: http://gmwgroup.harvard.edu/pubs/pdf/1099.pdf
http://gmwgroup.unix.fas.harvard.edu/pubs/pdf/1099.pdf
http://foundry.lbl.gov/assets/docs/pubs/MFIM_100915_JDSubnanoreplica.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:9871961

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  • FAS Scholarly Articles [7374]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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