The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures
In this paper we discuss interplays between the Aharonov-Bohm effect and the transport properties in mesoscopic ring structures based on graphene. The interlayer interaction leads to a change of the electronic structure of bilayer graphene ring such that the electronic energy dispersion law exhibits...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Sciendo
2013-12-01
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| Series: | Annals of West University of Timisoara: Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/awutp-2015-0106 |
| _version_ | 1797971025811472384 |
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| author | Racolta D. Micu C. |
| author_facet | Racolta D. Micu C. |
| author_sort | Racolta D. |
| collection | DOAJ |
| description | In this paper we discuss interplays between the Aharonov-Bohm effect and the transport properties in mesoscopic ring structures based on graphene. The interlayer interaction leads to a change of the electronic structure of bilayer graphene ring such that the electronic energy dispersion law exhibits a gap, either by doping one of the layers or by the application of an external perpendicular electric field. Gap adjustments can be done by varying the external electric field, which provides the possibility of obtaining mesoscopic devices based on the electronic properties of bilayer graphene. This opens the way to controllable manipulations of phase-coherent mesoscopic phenomena, as well as to Aharonov-Bohm oscillations depending on the height of the potential step and on the radius of the ring. For this purpose one resorts to a tight-binding model such as used to the description of conductance. |
| first_indexed | 2024-04-11T03:26:12Z |
| format | Article |
| id | doaj.art-c6b28d4432804cb1bf45d77a3af9439a |
| institution | Directory Open Access Journal |
| issn | 1224-9718 |
| language | English |
| last_indexed | 2024-04-11T03:26:12Z |
| publishDate | 2013-12-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Annals of West University of Timisoara: Physics |
| spelling | doaj.art-c6b28d4432804cb1bf45d77a3af9439a2023-01-02T07:30:52ZengSciendoAnnals of West University of Timisoara: Physics1224-97182013-12-01571526010.1515/awutp-2015-0106The Aharonov-Bohm Effect and Transport Properties in Graphene NanostructuresRacolta D.0Micu C.1North University of Baia Mare, Faculty of Science, Str. V. Babes, Nr. 62A, RO-430122, Baia MareNorth University of Baia Mare, Faculty of Science, Str. V. Babes, Nr. 62A, RO-430122, Baia MareIn this paper we discuss interplays between the Aharonov-Bohm effect and the transport properties in mesoscopic ring structures based on graphene. The interlayer interaction leads to a change of the electronic structure of bilayer graphene ring such that the electronic energy dispersion law exhibits a gap, either by doping one of the layers or by the application of an external perpendicular electric field. Gap adjustments can be done by varying the external electric field, which provides the possibility of obtaining mesoscopic devices based on the electronic properties of bilayer graphene. This opens the way to controllable manipulations of phase-coherent mesoscopic phenomena, as well as to Aharonov-Bohm oscillations depending on the height of the potential step and on the radius of the ring. For this purpose one resorts to a tight-binding model such as used to the description of conductance.https://doi.org/10.1515/awutp-2015-0106aharonov-bohm effectelectronic structure of raphemeelectronic transport |
| spellingShingle | Racolta D. Micu C. The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures Annals of West University of Timisoara: Physics aharonov-bohm effect electronic structure of rapheme electronic transport |
| title | The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures |
| title_full | The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures |
| title_fullStr | The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures |
| title_full_unstemmed | The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures |
| title_short | The Aharonov-Bohm Effect and Transport Properties in Graphene Nanostructures |
| title_sort | aharonov bohm effect and transport properties in graphene nanostructures |
| topic | aharonov-bohm effect electronic structure of rapheme electronic transport |
| url | https://doi.org/10.1515/awutp-2015-0106 |
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