Acoustic and double elastic shock waves in single-crystal graphene
Double elastic shock waves are rarely observed in two-dimensional (2D) materials and normally unexpected for elastically isotropic 2D crystals such as graphene. With large-scale molecular dynamics simulations, we show that in single-crystal graphene shock-loaded along nonzigzag and nonarmchair direc...
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| Veröffentlicht in: | Journal of applied physics 2020-02, Vol.127 (5) |
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| container_title | Journal of applied physics |
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| creator | Long, X. J. Cai, Y. Jian, W. R. Wang, L. Luo, S. N. |
| description | Double elastic shock waves are rarely observed in two-dimensional (2D) materials and normally unexpected for elastically isotropic 2D crystals such as graphene. With large-scale molecular dynamics simulations, we show that in single-crystal graphene shock-loaded along nonzigzag and nonarmchair directions, double elastic shock waves (quasilongitudinal and quasitransverse) can emerge. Quantitative acoustic wave equation analysis reveals that shock-induced symmetry reduction in lattice, as well as in elastic stiffness tensor, gives rise to the normally unexpected quasitransverse wave following the quasilongitudinal wave. |
| doi_str_mv | 10.1063/1.5132925 |
| format | Article |
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J. ; Cai, Y. ; Jian, W. R. ; Wang, L. ; Luo, S. N.</creator><creatorcontrib>Long, X. J. ; Cai, Y. ; Jian, W. R. ; Wang, L. ; Luo, S. N.</creatorcontrib><description>Double elastic shock waves are rarely observed in two-dimensional (2D) materials and normally unexpected for elastically isotropic 2D crystals such as graphene. With large-scale molecular dynamics simulations, we show that in single-crystal graphene shock-loaded along nonzigzag and nonarmchair directions, double elastic shock waves (quasilongitudinal and quasitransverse) can emerge. Quantitative acoustic wave equation analysis reveals that shock-induced symmetry reduction in lattice, as well as in elastic stiffness tensor, gives rise to the normally unexpected quasitransverse wave following the quasilongitudinal wave.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.5132925</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Acoustic waves ; Applied physics ; Graphene ; Loads (forces) ; Molecular dynamics ; Shock waves ; Single crystals ; Stiffness ; Tensors ; Two dimensional materials ; Wave equations</subject><ispartof>Journal of applied physics, 2020-02, Vol.127 (5)</ispartof><rights>Author(s)</rights><rights>2020 Author(s). 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N.</creatorcontrib><title>Acoustic and double elastic shock waves in single-crystal graphene</title><title>Journal of applied physics</title><description>Double elastic shock waves are rarely observed in two-dimensional (2D) materials and normally unexpected for elastically isotropic 2D crystals such as graphene. With large-scale molecular dynamics simulations, we show that in single-crystal graphene shock-loaded along nonzigzag and nonarmchair directions, double elastic shock waves (quasilongitudinal and quasitransverse) can emerge. Quantitative acoustic wave equation analysis reveals that shock-induced symmetry reduction in lattice, as well as in elastic stiffness tensor, gives rise to the normally unexpected quasitransverse wave following the quasilongitudinal wave.</description><subject>Acoustic waves</subject><subject>Applied physics</subject><subject>Graphene</subject><subject>Loads (forces)</subject><subject>Molecular dynamics</subject><subject>Shock waves</subject><subject>Single crystals</subject><subject>Stiffness</subject><subject>Tensors</subject><subject>Two dimensional materials</subject><subject>Wave equations</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqd0E1LAzEQBuAgCtbqwX8Q8KSwNZNsNptjLX5BwYueQzYf7dZ1sya7lf57V1vw7mlgeHhneBG6BDIDUrBbmHFgVFJ-hCZASpkJzskxmhBCISulkKfoLKUNIQAlkxN0NzdhSH1tsG4ttmGoGoddo39XaR3MO_7SW5dw3eJUt6vGZSbuUq8bvIq6W7vWnaMTr5vkLg5zit4e7l8XT9ny5fF5MV9mhlHRZywvZFE4a0DKXGjmQXvB85IRTw1UQpdGlDan41tgGSfMSZuDr4qKAvfcsym62ud2MXwOLvVqE4bYjicVHT0UBediVNd7ZWJIKTqvulh_6LhTQNRPRQrUoaLR3uxtMnWv-zq0_8PbEP-g6qxn30Q1c0Y</recordid><startdate>20200207</startdate><enddate>20200207</enddate><creator>Long, X. J.</creator><creator>Cai, Y.</creator><creator>Jian, W. R.</creator><creator>Wang, L.</creator><creator>Luo, S. N.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-9149-9414</orcidid><orcidid>https://orcid.org/0000-0003-4484-9260</orcidid></search><sort><creationdate>20200207</creationdate><title>Acoustic and double elastic shock waves in single-crystal graphene</title><author>Long, X. J. ; Cai, Y. ; Jian, W. R. ; Wang, L. ; Luo, S. N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-346966edc19947a3f1af754830f2c1b7a8c78d428391d3503e9d41fb6b215f5f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Acoustic waves</topic><topic>Applied physics</topic><topic>Graphene</topic><topic>Loads (forces)</topic><topic>Molecular dynamics</topic><topic>Shock waves</topic><topic>Single crystals</topic><topic>Stiffness</topic><topic>Tensors</topic><topic>Two dimensional materials</topic><topic>Wave equations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Long, X. J.</creatorcontrib><creatorcontrib>Cai, Y.</creatorcontrib><creatorcontrib>Jian, W. R.</creatorcontrib><creatorcontrib>Wang, L.</creatorcontrib><creatorcontrib>Luo, S. 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With large-scale molecular dynamics simulations, we show that in single-crystal graphene shock-loaded along nonzigzag and nonarmchair directions, double elastic shock waves (quasilongitudinal and quasitransverse) can emerge. Quantitative acoustic wave equation analysis reveals that shock-induced symmetry reduction in lattice, as well as in elastic stiffness tensor, gives rise to the normally unexpected quasitransverse wave following the quasilongitudinal wave.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5132925</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-9149-9414</orcidid><orcidid>https://orcid.org/0000-0003-4484-9260</orcidid></addata></record> |
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| issn | 0021-8979 1089-7550 |
| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Acoustic waves Applied physics Graphene Loads (forces) Molecular dynamics Shock waves Single crystals Stiffness Tensors Two dimensional materials Wave equations |
| title | Acoustic and double elastic shock waves in single-crystal graphene |
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