Localized vibrational, edges and breathing modes of graphene nanoribbons with topological line defects
Peculiar vibrational modes of graphene nanoribbons (GNRs) with topological line defects were presented. We find that phonon dispersion relations of the topological defective GNRs are more similar to those of perfect armchair-edge GNR than to zigzag-edge GNR in spite of their zigzag edge. All vibrati...
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| Veröffentlicht in: | The European physical journal. B, Condensed matter physics Condensed matter physics, 2013-08, Vol.86 (8), Article 344 |
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| creator | Xia, Minggang Su, Zhidan Song, Yang Han, Jinyun Zhang, Shengli Li, Baowen |
| description | Peculiar vibrational modes of graphene nanoribbons (GNRs) with topological line defects were presented. We find that phonon dispersion relations of the topological defective GNRs are more similar to those of perfect armchair-edge GNR than to zigzag-edge GNR in spite of their zigzag edge. All vibrational modes at
Γ
point are assigned in detail by analyzing their eigenvectors and are presented by video. Three types of characteristic vibrational modes, namely, localized vibrational modes in defect sites, edges, and breathing modes, are observed. Five localized vibrational modes near the defect sites are found to be robust against the width of the topological line-defective GNR. The Raman D’ band just originates from one localized mode, 1622 cm
-1
. The vibrational mode is sensitive to symmetry. The edge modes are related with structural symmetry but not with widths. Two edge modes are asymmetrical and only one is symmetrical. The breathing modes are inversely proportional to the width for wide-defect GNRs, and inversely proportional to the square root of the width for narrow-defect GNRs. The breathing mode frequencies of defective GNRs are slightly higher than those of perfect GNRs. These vibrational modes may be useful in the manipulation of thermal conductance and implementation of single phonon storage. |
| doi_str_mv | 10.1140/epjb/e2013-40068-5 |
| format | Article |
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Γ
point are assigned in detail by analyzing their eigenvectors and are presented by video. Three types of characteristic vibrational modes, namely, localized vibrational modes in defect sites, edges, and breathing modes, are observed. Five localized vibrational modes near the defect sites are found to be robust against the width of the topological line-defective GNR. The Raman D’ band just originates from one localized mode, 1622 cm
-1
. The vibrational mode is sensitive to symmetry. The edge modes are related with structural symmetry but not with widths. Two edge modes are asymmetrical and only one is symmetrical. The breathing modes are inversely proportional to the width for wide-defect GNRs, and inversely proportional to the square root of the width for narrow-defect GNRs. The breathing mode frequencies of defective GNRs are slightly higher than those of perfect GNRs. These vibrational modes may be useful in the manipulation of thermal conductance and implementation of single phonon storage.</description><identifier>ISSN: 1434-6028</identifier><identifier>EISSN: 1434-6036</identifier><identifier>DOI: 10.1140/epjb/e2013-40068-5</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Complex Systems ; Condensed Matter Physics ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Fluid- and Aerodynamics ; Graphene ; Graphite ; Lattice dynamics ; Phonons in low-dimensional structures and small particles ; Physics ; Physics and Astronomy ; Regular Article ; Solid State Physics</subject><ispartof>The European physical journal. B, Condensed matter physics, 2013-08, Vol.86 (8), Article 344</ispartof><rights>EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013</rights><rights>2014 INIST-CNRS</rights><rights>COPYRIGHT 2013 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c394t-ba23ae6a5a8fa32208dea0d6d7af11f00522b8705248970ebfc20aec8383372d3</citedby><cites>FETCH-LOGICAL-c394t-ba23ae6a5a8fa32208dea0d6d7af11f00522b8705248970ebfc20aec8383372d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1140/epjb/e2013-40068-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1140/epjb/e2013-40068-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27738406$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xia, Minggang</creatorcontrib><creatorcontrib>Su, Zhidan</creatorcontrib><creatorcontrib>Song, Yang</creatorcontrib><creatorcontrib>Han, Jinyun</creatorcontrib><creatorcontrib>Zhang, Shengli</creatorcontrib><creatorcontrib>Li, Baowen</creatorcontrib><title>Localized vibrational, edges and breathing modes of graphene nanoribbons with topological line defects</title><title>The European physical journal. B, Condensed matter physics</title><addtitle>Eur. Phys. J. B</addtitle><description>Peculiar vibrational modes of graphene nanoribbons (GNRs) with topological line defects were presented. We find that phonon dispersion relations of the topological defective GNRs are more similar to those of perfect armchair-edge GNR than to zigzag-edge GNR in spite of their zigzag edge. All vibrational modes at
Γ
point are assigned in detail by analyzing their eigenvectors and are presented by video. Three types of characteristic vibrational modes, namely, localized vibrational modes in defect sites, edges, and breathing modes, are observed. Five localized vibrational modes near the defect sites are found to be robust against the width of the topological line-defective GNR. The Raman D’ band just originates from one localized mode, 1622 cm
-1
. The vibrational mode is sensitive to symmetry. The edge modes are related with structural symmetry but not with widths. Two edge modes are asymmetrical and only one is symmetrical. The breathing modes are inversely proportional to the width for wide-defect GNRs, and inversely proportional to the square root of the width for narrow-defect GNRs. The breathing mode frequencies of defective GNRs are slightly higher than those of perfect GNRs. These vibrational modes may be useful in the manipulation of thermal conductance and implementation of single phonon storage.</description><subject>Complex Systems</subject><subject>Condensed Matter Physics</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Fluid- and Aerodynamics</subject><subject>Graphene</subject><subject>Graphite</subject><subject>Lattice dynamics</subject><subject>Phonons in low-dimensional structures and small particles</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Regular Article</subject><subject>Solid State Physics</subject><issn>1434-6028</issn><issn>1434-6036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kU1LHTEUhofSQq3tH-gqGxdCR_M1M3Ep0qpwQdB2Hc4kJ3NzmZsMSdTqrzd6RXAjWZxw8jzvIm_T_GT0iDFJj3HZjMfIKROtpLRXbfep2WNSyLanov_8dufqa_Mt5w2llPVM7jVuFQ3M_hEtufNjguJjgPkXQTthJhAsGRNCWfswkW20dRcdmRIsawxIAoSY_DjGkMm9L2tS4hLnOPmaSWZfCYsOTcnfmy8O5ow_Xud-8-_P779nF-3q6vzy7HTVGnEiSzsCF4A9dKAcCM6psgjU9nYAx5ijtON8VEMdUp0MFEdnOAU0SighBm7FfnO0y51gRu2DiyWBqcfi1psY0Pm6PxVSiF6qbqjC4TuhMgX_lwluc9aXN9fvWb5jTYo5J3R6SX4L6UEzqp9r0M816Jca9EsNuqvSwU5aINdfcQmC8fnN5MMglKR95cSOy_UpTJj0Jt6m2kX-KP0JTySaaA</recordid><startdate>20130801</startdate><enddate>20130801</enddate><creator>Xia, Minggang</creator><creator>Su, Zhidan</creator><creator>Song, Yang</creator><creator>Han, Jinyun</creator><creator>Zhang, Shengli</creator><creator>Li, Baowen</creator><general>Springer Berlin Heidelberg</general><general>EDP Sciences</general><general>Springer</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope></search><sort><creationdate>20130801</creationdate><title>Localized vibrational, edges and breathing modes of graphene nanoribbons with topological line defects</title><author>Xia, Minggang ; Su, Zhidan ; Song, Yang ; Han, Jinyun ; Zhang, Shengli ; Li, Baowen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c394t-ba23ae6a5a8fa32208dea0d6d7af11f00522b8705248970ebfc20aec8383372d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Complex Systems</topic><topic>Condensed Matter Physics</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Fluid- and Aerodynamics</topic><topic>Graphene</topic><topic>Graphite</topic><topic>Lattice dynamics</topic><topic>Phonons in low-dimensional structures and small particles</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Regular Article</topic><topic>Solid State Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xia, Minggang</creatorcontrib><creatorcontrib>Su, Zhidan</creatorcontrib><creatorcontrib>Song, Yang</creatorcontrib><creatorcontrib>Han, Jinyun</creatorcontrib><creatorcontrib>Zhang, Shengli</creatorcontrib><creatorcontrib>Li, Baowen</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Gale In Context: Science</collection><jtitle>The European physical journal. B, Condensed matter physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xia, Minggang</au><au>Su, Zhidan</au><au>Song, Yang</au><au>Han, Jinyun</au><au>Zhang, Shengli</au><au>Li, Baowen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Localized vibrational, edges and breathing modes of graphene nanoribbons with topological line defects</atitle><jtitle>The European physical journal. B, Condensed matter physics</jtitle><stitle>Eur. Phys. J. B</stitle><date>2013-08-01</date><risdate>2013</risdate><volume>86</volume><issue>8</issue><artnum>344</artnum><issn>1434-6028</issn><eissn>1434-6036</eissn><abstract>Peculiar vibrational modes of graphene nanoribbons (GNRs) with topological line defects were presented. We find that phonon dispersion relations of the topological defective GNRs are more similar to those of perfect armchair-edge GNR than to zigzag-edge GNR in spite of their zigzag edge. All vibrational modes at
Γ
point are assigned in detail by analyzing their eigenvectors and are presented by video. Three types of characteristic vibrational modes, namely, localized vibrational modes in defect sites, edges, and breathing modes, are observed. Five localized vibrational modes near the defect sites are found to be robust against the width of the topological line-defective GNR. The Raman D’ band just originates from one localized mode, 1622 cm
-1
. The vibrational mode is sensitive to symmetry. The edge modes are related with structural symmetry but not with widths. Two edge modes are asymmetrical and only one is symmetrical. The breathing modes are inversely proportional to the width for wide-defect GNRs, and inversely proportional to the square root of the width for narrow-defect GNRs. The breathing mode frequencies of defective GNRs are slightly higher than those of perfect GNRs. These vibrational modes may be useful in the manipulation of thermal conductance and implementation of single phonon storage.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjb/e2013-40068-5</doi></addata></record> |
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| subjects | Complex Systems Condensed Matter Physics Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Fluid- and Aerodynamics Graphene Graphite Lattice dynamics Phonons in low-dimensional structures and small particles Physics Physics and Astronomy Regular Article Solid State Physics |
| title | Localized vibrational, edges and breathing modes of graphene nanoribbons with topological line defects |
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