Germanene: a novel two-dimensional germanium allotrope akin to graphene and silicene
نویسندگان
چکیده
منابع مشابه
Few layer epitaxial germanene: a novel two-dimensional Dirac material
Monolayer germanene, a novel graphene-like germanium allotrope akin to silicene has been recently grown on metallic substrates. Lying directly on the metal surfaces the reconstructed atom-thin sheets are prone to lose the massless Dirac fermion character and unique associated physical properties of free standing germanene. Here, we show that few layer germanene, which we create by dry epitaxy o...
متن کاملStability and Electronic Properties of Two-Dimensional Silicene and Germanene on Graphene CHIH-PIAO CHUU,
Submitted for the MAR14 Meeting of The American Physical Society Stability and Electronic Properties of Two-Dimensional Silicene and Germanene on Graphene CHIH-PIAO CHUU, YONGMAO CAI, C.-M. WEI, M.-Y. CHOU, Academia Sinica — Recently, there have been experimental attempts to synthesize silicene, a two-dimensional (2D) graphene-like form of silicon on metal surfaces such as Ag(111) and Ir(0001)....
متن کاملGermanene: the germanium analogue of graphene.
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...
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Two-dimensional materials are one of the most active areas of nanomaterials research. Here we report the structural stability, electronic and vibrational properties of different monolayer configurations of the group IV elemental materials silicene and germanene. The structure of the stable configuration is calculated and for planar and low (<1 Å) atomic buckling configurations, analysis of the ...
متن کاملQuantum spin Hall effect in silicene and two-dimensional germanium.
We investigate the spin-orbit opened energy gap and the band topology in recently synthesized silicene as well as two-dimensional low-buckled honeycomb structures of germanium using first-principles calculations. We demonstrate that silicene with topologically nontrivial electronic structures can realize the quantum spin Hall effect (QSHE) by exploiting adiabatic continuity and the direct calcu...
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ژورنال
عنوان ژورنال: New Journal of Physics
سال: 2014
ISSN: 1367-2630
DOI: 10.1088/1367-2630/16/9/095002