| Diffusive motion of C60 on a graphene sheet. | |
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MedLine Citation:
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PMID: 21230486 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The motion of a C60 molecule over a graphene sheet at finite temperature is investigated both theoretically and computationally. We show that a graphene sheet generates a van der Waals laterally periodic potential, which directly influences the motion of external objects in its proximity. The translational motion of a C60 molecule near a graphene sheet is found to be diffusive in the lateral directions, while in the perpendicular direction, the motion may be described as diffusion in an effective harmonic potential which is determined from the distribution function of the position of the C60 molecule. We also examine the rotational diffusion of C60 and show that its motion over the graphene sheet is not a rolling motion. |
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Authors:
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M Neek-Amal; N Abedpour; S N Rasuli; A Naji; M R Ejtehadi |
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Publication Detail:
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Type: Journal Article Date: 2010-11-22 |
Journal Detail:
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Title: Physical review. E, Statistical, nonlinear, and soft matter physics Volume: 82 ISSN: 1550-2376 ISO Abbreviation: Phys Rev E Stat Nonlin Soft Matter Phys Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2011-01-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101136452 Medline TA: Phys Rev E Stat Nonlin Soft Matter Phys Country: United States |
Other Details:
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Languages: eng Pagination: 051605 Citation Subset: - |
Affiliation:
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Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, PO Box 16785-136, Tehran, Iran. neekamal@srttu.edu |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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