Impurity induced Dirac point smearing in graphene
It is shown that in a two-dimensional system with the linear dispersion a resonance is present in the Dirac point vicinity, when the impurity perturbation magnitude exceeds the bandwidth. The corresponding spectrum rearrangement, which follows at a certain critical impurity concentration, results...
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| Опубліковано в: : | Физика низких температур |
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| Дата: | 2007 |
| Автори: | , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
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| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/120932 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Impurity induced Dirac point smearing in graphene / Yu.V. Skrypnyk, V.M. Loktev // Физика низких температур. — 2007. — Т. 33, № 9. — С. 1002–1007. — Бібліогр.: 19 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
nasplib_isofts_kiev_ua-123456789-120932 |
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dspace |
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Skrypnyk, Yu.V. Loktev, V.M. 2017-06-13T10:39:23Z 2017-06-13T10:39:23Z 2007 Impurity induced Dirac point smearing in graphene / Yu.V. Skrypnyk, V.M. Loktev // Физика низких температур. — 2007. — Т. 33, № 9. — С. 1002–1007. — Бібліогр.: 19 назв. — англ. 0132-6414 PACS: 71.23.An, 71.30.+h https://nasplib.isofts.kiev.ua/handle/123456789/120932 It is shown that in a two-dimensional system with the linear dispersion a resonance is present in the Dirac point vicinity, when the impurity perturbation magnitude exceeds the bandwidth. The corresponding spectrum rearrangement, which follows at a certain critical impurity concentration, results in the square root dependence of the concentration smearing region width on the concentration. If the perturbation magnitude does not exceed the bandwidth, or the critical concentration is not reached, the concentration smearing region width remains exponentially small. One of the authors (Yu.V.S.) is grateful to B.L. Altshuler and L.A. Pastur for valuable discussions. This work was partially supported by the Scientific Program «Nanostructural Systems, Nanomaterials and Nanotechnologies » of the National Academy of Sciences of Ukraine (grant No. 10/07-N). en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур International Conference "Statistical Physics 2006. Condensed Matter: Theory and Application" Impurity induced Dirac point smearing in graphene Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Impurity induced Dirac point smearing in graphene |
| spellingShingle |
Impurity induced Dirac point smearing in graphene Skrypnyk, Yu.V. Loktev, V.M. International Conference "Statistical Physics 2006. Condensed Matter: Theory and Application" |
| title_short |
Impurity induced Dirac point smearing in graphene |
| title_full |
Impurity induced Dirac point smearing in graphene |
| title_fullStr |
Impurity induced Dirac point smearing in graphene |
| title_full_unstemmed |
Impurity induced Dirac point smearing in graphene |
| title_sort |
impurity induced dirac point smearing in graphene |
| author |
Skrypnyk, Yu.V. Loktev, V.M. |
| author_facet |
Skrypnyk, Yu.V. Loktev, V.M. |
| topic |
International Conference "Statistical Physics 2006. Condensed Matter: Theory and Application" |
| topic_facet |
International Conference "Statistical Physics 2006. Condensed Matter: Theory and Application" |
| publishDate |
2007 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
It is shown that in a two-dimensional system with the linear dispersion a resonance is present in the Dirac
point vicinity, when the impurity perturbation magnitude exceeds the bandwidth. The corresponding spectrum
rearrangement, which follows at a certain critical impurity concentration, results in the square root dependence
of the concentration smearing region width on the concentration. If the perturbation magnitude
does not exceed the bandwidth, or the critical concentration is not reached, the concentration smearing region
width remains exponentially small.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/120932 |
| citation_txt |
Impurity induced Dirac point smearing in graphene / Yu.V. Skrypnyk, V.M. Loktev // Физика низких температур. — 2007. — Т. 33, № 9. — С. 1002–1007. — Бібліогр.: 19 назв. — англ. |
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AT skrypnykyuv impurityinduceddiracpointsmearingingraphene AT loktevvm impurityinduceddiracpointsmearingingraphene |
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2025-12-07T20:48:10Z |
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2025-12-07T20:48:10Z |
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