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    Direct calculation of the crystal–melt interfacial free energies for continuous potentials: Application to the Lennard-Jones system

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    LairdB_JCP_2003(118)7651.pdf (248.0Kb)
    Issue Date
    2003-04-11
    Author
    Davidchack, Ruslan L.
    Laird, Brian Bostian
    Publisher
    American Institute of Physics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    Extending to continuous potentials a cleaving wall molecular dynamics simulation method recently developed for the hard-sphere system [Phys. Rev. Lett. 85, 4751 (2000)], we calculate the crystal–melt interfacial free energies, γ, for a Lennard-Jones system as functions of both crystal orientation and temperature. At the triple point, T*=0.617, the results are consistent with an earlier cleaving potential calculation by Broughton and Gilmer [J. Chem. Phys. 84, 5759 (1986)], however, the greater precision of the current calculation allows us to accurately determine the anisotropy of γ. From our data we find that, at all temperatures studied, γ111<γ110<γ100. A comparison is made to the results from our previous hard-sphere calculation and to recent results for Ni by Asta, Hoyt, and Karma [Phys. Rev. B 66 100101(R) (2002)].
    Description
    This is the publishers' version, also available electronically from http://scitation.aip.org/content/aip/journal/jcp/118/16/10.1063/1.1563248.
    URI
    http://hdl.handle.net/1808/16137
    DOI
    https://doi.org/10.1063/1.1563248
    ISSN
    0021-9606
    Collections
    • Chemistry Scholarly Works [610]
    Citation
    Davidchack, Ruslan L.; Laird, Brian Bostian. (2003). "Direct calculation of the crystal–melt interfacial free energies for continuous potentials: Application to the Lennard-Jones system." The Journal of Chemical Physics, 118(16):7651. http://dx.doi.org/10.1063/1.1563248

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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