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Two- and One-Dimensional Honeycomb Structures of Silicon and Germanium
Open accessAbstract
First-principles calculations of structure optimization, phonon modes, and finite temperature molecular dynamics predict that silicon and germanium can have stable, two-dimensional, low-buckled, honeycomb structures. Similar to graphene, these puckered structures are ambipolar and their charge carriers can behave like a massless Dirac fermion due to their pi and pi(*) bands which are crossed linearly at the Fermi level. In addition to these fundamental properties, bare and hydrogen passivated nanoribbons of Si and Ge show remarkable electronic and magnetic properties, which are size and orientation dependent. These properties offer interesting alternatives for the engineering of diverse nanodevices.
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Cites
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Cited by
Designer Dirac fermions and topological phases in molecular graphene
Gomes, K. K., Mar, W., Ko, W., Guinea, F., & Manoharan, H. C. (2012) · Nature · doi:10.1038/nature10941 · Cited by 741
Two-dimensional transistors beyond graphene and TMDCs
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Intrinsic electrical transport properties of monolayer silicene and MoS2from first principles
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Gated silicene as a tunable source of nearly 100% spin-polarized electrons
Tsai, W.-F., Huang, C.-Y., Chang, T.-R., Lin, H., Jeng, H.-T., & Bansil, A. (2013) · Nature Communications · doi:10.1038/ncomms2525 · Cited by 451
Aktürk, E., Aktürk, O. Ü., & Ciraci, S. (2016) · Physical Review B · doi:10.1103/physrevb.94.014115 · Cited by 382
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Metadata
- Authors
- Cahangirov, S., Topsakal, M., Aktürk, E., Şahin, H., & Ciraci, S.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2009-06-12
- Volume
- 102
- Issue
- 23
- Pages
- 236804-236804
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1984748172
- Cited by
- 3,366
- References
- 6
- FWCI
- 22.97
- Type
- journal article
- Language
- en
- Open access
- green
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