| Cutting ice: nanowire regelation. | |
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MedLine Citation:
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PMID: 20868115 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Even below its normal melting temperature, ice melts when subjected to high pressure and refreezes once the pressure is lifted. A classic demonstration of this regelation phenomenon is the passing of a thin wire through a block of ice when sufficient force is exerted. Here we present a molecular-dynamics study of a nanowire cutting through ice to unravel the molecular level mechanisms responsible for regelation. In particular, we show that the transition from a stationary to a moving wire due to increased driving force changes from symmetric and continuous to asymmetric and discontinuous as a hydrophilic wire is replaced by a hydrophobic one. This is explained at the molecular level in terms of the wetting properties of the wire. |
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Authors:
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Teemu Hynninen; Vili Heinonen; Cristiano L Dias; Mikko Karttunen; Adam S Foster; Tapio Ala-Nissila |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-08-19 |
Journal Detail:
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Title: Physical review letters Volume: 105 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-09-27 Completed Date: 2011-01-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 086102 Citation Subset: IM |
Affiliation:
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Department of Physics, Tampere University of Technology, PO Box 692, FI-33101 Tampere, Finland. teemu.hynninen@tut.fi |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Gels Hydrodynamics Hydrophobic and Hydrophilic Interactions Ice* Molecular Dynamics Simulation* Nanowires / chemistry* |
| Chemical | |
Reg. No./Substance:
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0/Gels; 0/Ice |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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