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| Title: | Modeling graphene-based nanoelectromechanical devices |
| Authors: | Roche, Stephan  ; Cuniberti, Gianaurelio |
| Issue Date: | 2010 |
| Publisher: | American Physical Society |
| Citation: | Physical Review B 81(19): 193404 (2010) |
| Abstract: | We report on a theoretical study of charge transport properties of graphene nanoribbons under external mechanical stress. The influence of mechanical forces on the ribbon conductance is shown to be strongly dependent on the ribbon edge symmetry, i.e., zigzag versus armchair. In contrast to zigzag-edge nanoribbons which remain robust against high strain deformations, a stretching-induced metal-semiconductor transition is obtained for armchair-edge configurations. Our results point out that armchair edge ribbons are consequently much better suited for electromechanical applications. |
| Description: | 4 páginas, 3 figuras.-- PACS number(s): 72.80.Vp, 73.22.Pr, 71.30.+h.-- et al. |
| Publisher version (URL): | http://dx.doi.org/10.1103/PhysRevB.81.193404 |
| URI: | http://hdl.handle.net/10261/44583 |
| DOI: | 10.1103/PhysRevB.81.193404 |
| ISSN: | 1098-0121 |
| E-ISSN: | 1550-235X |
| Appears in Collections: | (CIN2) Artículos |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| e193404.pdf | 338,73 kB | Adobe PDF |  View/Open |
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