Graphitic ribbons without hydrogen-termination: Electronic structures and stabilities
- 15 December 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 62 (24), R16349-R16352
- https://doi.org/10.1103/physrevb.62.r16349
Abstract
The graphitic ribbons with H termination have been the subject of recent studies, but we investigated the ribbons without H termination using tight-binding and first-principles calculations. The ribbons with armchair edge were found to have phonon frequencies near 2000 which has been solely ascribed to the one-dimensional carbon allotrope, carbyne. Comparative studies of the formation energies suggest that ribbons will grow more easily in the direction perpendicular to the zigzag edge, consistent with a recent experiment.
Keywords
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