Phase Transition in Armchair Graphene Nanoribbon Due to Peierls Distortion
In this work, the effect of Peierls distortion on the electronic properties of armchair graphene nanoribbons is theoretically studied in a tight-binding approximation. As a consequence of Peierls distortion, when the Kekule-type bond alternation is introduced, the band gap of armchair nanoribbons st...
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| Veröffentlicht in: | Journal of electronic materials 2017-06, Vol.46 (6), p.3815-3819 |
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| container_end_page | 3819 |
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| container_issue | 6 |
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| container_title | Journal of electronic materials |
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| creator | Van Nguyen, Chuong Van Hieu, Nguyen Toan, Huynh Ngoc Nhan, Le Cong Anh, Ngo Thi Hieu, Nguyen Ngoc |
| description | In this work, the effect of Peierls distortion on the electronic properties of armchair graphene nanoribbons is theoretically studied in a tight-binding approximation. As a consequence of Peierls distortion, when the Kekule-type bond alternation is introduced, the band gap of armchair nanoribbons strongly depends on the difference in bond length between short and long bonds in the honeycomb lattice. We can control the band gap of a nanoribbon by its uniaxial strain and a semiconductor–metal phase transition can occur at certain elongations. |
| doi_str_mv | 10.1007/s11664-017-5399-7 |
| format | Article |
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| subjects | Characterization and Evaluation of Materials Chemistry and Materials Science Distortion Electronic properties Electronics and Microelectronics Energy gap Graphene Instrumentation Materials Science Nanoribbons Optical and Electronic Materials Phase transitions Solid State Physics |
| title | Phase Transition in Armchair Graphene Nanoribbon Due to Peierls Distortion |
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