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Phosphorene nanoribbons
Open accessAbstract
Edge-induced gap states in finite phosphorene layers are examined using analytical models and density functional theory. The nature of such gap states depends on the direction of the cut. Armchair nanoribbons are insulating, whereas nanoribbons cut in the perpendicular direction (with zigzag and cliff-type edges) are metallic, unless they undergo a reconstruction or distortion with cell doubling, which opens a gap. All stable nanoribbons with unsaturated edges have gap states that can be removed by hydrogen passivation. Armchair nanoribbon edge states decay exponentially with the distance to the edge and can be described by a nearly free electron model. This is used to prove the existence of the gap states in the limit of a semi-infinite plane.
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Cited by
Applications of Phosphorene and Black Phosphorus in Energy Conversion and Storage Devices
Pang, J., Bachmatiuk, A., Yin, Y., Trzebicka, B., Zhao, L., Fu, L., Mendes, R. G., Gemming, T., Liu, Z., & Rummeli, M. H. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201702093 · Cited by 518
Phosphorene: Synthesis, Scale-Up, and Quantitative Optical Spectroscopy
Woomer, A. H., Farnsworth, T. W., Hu, J., Wells, R. A., Donley, C. L., & Warren, S. C. (2015) · ACS Nano · doi:10.1021/acsnano.5b02599 · Cited by 498
Metadata
- Authors
- Carvalho, A., Rodin, A. S., & Castro Neto, A. H.
- Venue
- EPL (Europhysics Letters)
- Publisher
- IOP Publishing
- Published
- 2014-11-01
- Volume
- 108
- Issue
- 4
- Pages
- 47005
- ISSN
- 0295-5075 (ISSN-L)
- 1286-4854
- OpenAlex
- W3037057106
- Cited by
- 161
- References
- 0
- FWCI
- 9.98
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Carvalho, A., Rodin, A. S., & Castro Neto, A. H. (2014). Phosphorene nanoribbons. EPL (Europhysics Letters). https://doi.org/10.1209/0295-5075/108/47005
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