ArticleScientific reports2019
CVD graphene/Ge interface: morphological and electronic characterization of ripples.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Single-Layer Graphene/Germanium Interface Representing a Schottky Junction Studied by Photoelectron Spectroscopy.Nanomaterials (Basel, Switzerland) · 2023Article
- Chemical Vapour Deposition of Graphene-Synthesis, Characterisation, and Applications: A Review.Molecules (Basel, Switzerland) · 2020Review
- Direct growth of graphene on Ge(100) and Ge(110) via thermal and plasma enhanced CVD.Scientific reports · 2020Article
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Authors and funding
4 authors.
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Abstract
Graphene grown directly on germanium is a possible route for the integration of graphene into nanoelectronic devices as well as it is of great interest for materials science. The morphology of the interface between graphene and germanium influences the electronic properties and has not already been completely elucidated at atomic scale. In this work, we investigated the morphology of the single-layer graphene grown on Ge substrates with different crystallographic orientations. We determined the presence of sinusoidal ripples with a single propagation direction, zig-zag, and could arise due to compressive biaxial strain at the interface generated as a result of the opposite polarity of the thermal expansion coefficient of graphene and germanium. Local density of states measurements on the ripples showed a linear dispersion relation with the Dirac point slightly shifted with respect to the Fermi energy indicating that these out-of-plane deformations were n-doped, while the graphene regions between the highs were undoped.
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