Display options
Cite
Acun A, Zhang L, Bampoulis P, et al. Germanene: the germanium analogue of graphene. J Phys Condens Matter. 2015;27(44):443002doi: 10.1088/0953-8984/27/44/443002.
Acun, A., Zhang, L., Bampoulis, P., Farmanbar, M., van Houselt, A., Rudenko, A. N., Lingenfelder, M., Brocks, G., Poelsema, B., Katsnelson, M. I., & Zandvliet, H. J. (2015). Germanene: the germanium analogue of graphene. Journal of physics. Condensed matter : an Institute of Physics journal, 27(44), 443002. https://doi.org/10.1088/0953-8984/27/44/443002
Acun, A, et al. "Germanene: the germanium analogue of graphene." Journal of physics. Condensed matter : an Institute of Physics journal vol. 27,44 (2015): 443002. doi: https://doi.org/10.1088/0953-8984/27/44/443002
Acun A, Zhang L, Bampoulis P, Farmanbar M, van Houselt A, Rudenko AN, Lingenfelder M, Brocks G, Poelsema B, Katsnelson MI, Zandvliet HJ. Germanene: the germanium analogue of graphene. J Phys Condens Matter. 2015 Nov 11;27(44):443002. doi: 10.1088/0953-8984/27/44/443002. Epub 2015 Oct 14. PMID: 26466359.
Copy Download .nbib Format: NLM
Share it on

J Phys Condens Matter. 2015 Nov 11;27(44):443002. doi: 10.1088/0953-8984/27/44/443002. Epub 2015 Oct 14.

Germanene: the germanium analogue of graphene.

Journal of physics. Condensed matter : an Institute of Physics journal

A Acun, L Zhang, P Bampoulis, M Farmanbar, A van Houselt, A N Rudenko, M Lingenfelder, G Brocks, B Poelsema, M I Katsnelson, H J W Zandvliet

Affiliations

  1. Physics of Interfaces and Nanomaterials, MESA+ Institute for Nanotechnology, University of Twente, PO Box 217, 7500AE, Enschede, The Netherlands.

PMID: 26466359 DOI: 10.1088/0953-8984/27/44/443002

Abstract

Recently, several research groups have reported the growth of germanene, a new member of the graphene family. Germanene is in many aspects very similar to graphene, but in contrast to the planar graphene lattice, the germanene honeycomb lattice is buckled and composed of two vertically displaced sub-lattices. Density functional theory calculations have revealed that free-standing germanene is a 2D Dirac fermion system, i.e. the electrons behave as massless relativistic particles that are described by the Dirac equation, which is the relativistic variant of the Schrödinger equation. Germanene is a very appealing 2D material. The spin-orbit gap in germanene (~24 meV) is much larger than in graphene (<0.05 meV), which makes germanene the ideal candidate to exhibit the quantum spin Hall effect at experimentally accessible temperatures. Additionally, the germanene lattice offers the possibility to open a band gap via for instance an externally applied electrical field, adsorption of foreign atoms or coupling with a substrate. This opening of the band gap paves the way to the realization of germanene based field-effect devices. In this topical review we will (1) address the various methods to synthesize germanene (2) provide a brief overview of the key results that have been obtained by density functional theory calculations and (3) discuss the potential of germanene for future applications as well for fundamentally oriented studies.

Publication Types