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Title: Electronic properties of two-dimensional hexagonal germanium
Authors: Houssa, Michel ×
Pourtois, Geoffrey
Afanas'ev, Valery
Stesmans, Andre #
Issue Date: Feb-2010
Publisher: American Institute of Physics
Series Title: Applied Physics Letters vol:96 issue:8 pages:1-3
Article number: 082111
Abstract: The electronic properties of two-dimensional hexagonal germanium, so called germanene, are investigated using first-principles simulations. Consistent with previous reports, the surface is predicted to have a "poor" metallic behavior, i.e., being metallic with a low density of states at the Fermi level. It is found that biaxial compressively strained germanene is a gapless semiconductor with linear energy dispersions near the K points-like graphene. The calculated Fermi velocity of germanene is almost independent of the strain and is about 1.7x10(6) m/s, quite comparable to the value in graphene.
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Semiconductor Physics Section
× corresponding author
# (joint) last author

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