First-principles calculations of the structural, electronic and magnetic properties of B sub(n)N sub(20-n) (n = 6-18) clusters
The structures of B sub( )n sub(20 - )n(n = 6-18), the clusters of boron nitride, are investigated by the density functional theory calculations. The structures of the obtained low-lying isomers can be described by the following six prototypes: single ring, double ring, three-ring, graphitic-like sh...
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| Veröffentlicht in: | The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2011-07, Vol.63 (2), p.201-207 |
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| container_title | The European physical journal. D, Atomic, molecular, and optical physics |
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| creator | Li, J R Mu, Y W Wan, J G Song, F Q Han, M Wang, G H |
| description | The structures of B sub( )n sub(20 - )n(n = 6-18), the clusters of boron nitride, are investigated by the density functional theory calculations. The structures of the obtained low-lying isomers can be described by the following six prototypes: single ring, double ring, three-ring, graphitic-like sheet, fullerene and others. B sub(10)N sub(10) is demonstrated to be the most stable cluster against the nonstoichiometric ones. Nonzero magnetic moments, 1.999, 1.998, 2.000, 3.999 and 1.999 mu sub(B) respectively, are found in five B sub( )n sub(20-)n(n = 6, 7, 11, 12, 13) clusters. Further analysis indicates that the magnetic moment of the B sub(6)N sub(14) cluster is mainly originated from the N atoms, while those of others are from the B atoms. The magnetic moment are finally attributed to the interesting issues of the 2p electrons due to the breaking of local symmetries, the change of coordination number, charge distribution and orbital hybridization. |
| doi_str_mv | 10.1140/epjd/e2011-10559-8 |
| format | Article |
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The structures of the obtained low-lying isomers can be described by the following six prototypes: single ring, double ring, three-ring, graphitic-like sheet, fullerene and others. B sub(10)N sub(10) is demonstrated to be the most stable cluster against the nonstoichiometric ones. Nonzero magnetic moments, 1.999, 1.998, 2.000, 3.999 and 1.999 mu sub(B) respectively, are found in five B sub( )n sub(20-)n(n = 6, 7, 11, 12, 13) clusters. Further analysis indicates that the magnetic moment of the B sub(6)N sub(14) cluster is mainly originated from the N atoms, while those of others are from the B atoms. The magnetic moment are finally attributed to the interesting issues of the 2p electrons due to the breaking of local symmetries, the change of coordination number, charge distribution and orbital hybridization.</description><identifier>ISSN: 1434-6060</identifier><identifier>EISSN: 1434-6079</identifier><identifier>DOI: 10.1140/epjd/e2011-10559-8</identifier><language>eng</language><subject>Clusters ; Coordination numbers ; Density functional theory ; Electronics ; Isomers ; Magnetic moment ; Magnetic properties ; Mathematical analysis</subject><ispartof>The European physical journal. 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D, Atomic, molecular, and optical physics</title><description>The structures of B sub( )n sub(20 - )n(n = 6-18), the clusters of boron nitride, are investigated by the density functional theory calculations. The structures of the obtained low-lying isomers can be described by the following six prototypes: single ring, double ring, three-ring, graphitic-like sheet, fullerene and others. B sub(10)N sub(10) is demonstrated to be the most stable cluster against the nonstoichiometric ones. Nonzero magnetic moments, 1.999, 1.998, 2.000, 3.999 and 1.999 mu sub(B) respectively, are found in five B sub( )n sub(20-)n(n = 6, 7, 11, 12, 13) clusters. Further analysis indicates that the magnetic moment of the B sub(6)N sub(14) cluster is mainly originated from the N atoms, while those of others are from the B atoms. 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D, Atomic, molecular, and optical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, J R</au><au>Mu, Y W</au><au>Wan, J G</au><au>Song, F Q</au><au>Han, M</au><au>Wang, G H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First-principles calculations of the structural, electronic and magnetic properties of B sub(n)N sub(20-n) (n = 6-18) clusters</atitle><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle><date>2011-07-01</date><risdate>2011</risdate><volume>63</volume><issue>2</issue><spage>201</spage><epage>207</epage><pages>201-207</pages><issn>1434-6060</issn><eissn>1434-6079</eissn><abstract>The structures of B sub( )n sub(20 - )n(n = 6-18), the clusters of boron nitride, are investigated by the density functional theory calculations. The structures of the obtained low-lying isomers can be described by the following six prototypes: single ring, double ring, three-ring, graphitic-like sheet, fullerene and others. B sub(10)N sub(10) is demonstrated to be the most stable cluster against the nonstoichiometric ones. Nonzero magnetic moments, 1.999, 1.998, 2.000, 3.999 and 1.999 mu sub(B) respectively, are found in five B sub( )n sub(20-)n(n = 6, 7, 11, 12, 13) clusters. Further analysis indicates that the magnetic moment of the B sub(6)N sub(14) cluster is mainly originated from the N atoms, while those of others are from the B atoms. The magnetic moment are finally attributed to the interesting issues of the 2p electrons due to the breaking of local symmetries, the change of coordination number, charge distribution and orbital hybridization.</abstract><doi>10.1140/epjd/e2011-10559-8</doi></addata></record> |
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| subjects | Clusters Coordination numbers Density functional theory Electronics Isomers Magnetic moment Magnetic properties Mathematical analysis |
| title | First-principles calculations of the structural, electronic and magnetic properties of B sub(n)N sub(20-n) (n = 6-18) clusters |
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