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Title
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Theory of the elastic constants of graphite and graphene
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Author
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Abstract
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| Born's long wave method is used to study the elastic properties of graphite and graphene. Starting from an empirical force constant model derived from full inplane phonon dispersions of graphite [Mohr et al., Phys. Rev. B 76, 035439 (2007)] we calculate the tension coefficients of graphene. Extending the model by interplanar interactions, we calculate the elastic constants of graphite. The agreement of our theoretical values with inelastic x-ray scattering results on elastic constants of graphite [Bosak et al., Phys. Rev. B 75, 153408 (2007)] is very satisfactory. |
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Language
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English
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Source (journal)
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Physica status solidi: B: basic research. - Berlin
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Publication
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Berlin
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2008
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ISSN
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0370-1972
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DOI
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10.1002/PSSB.200879604
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Volume/pages
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245
:10
(2008)
, p. 2177-2180
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ISI
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000260581800066
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Full text (Publisher's DOI)
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