309 citations · 1k across the 22 of their papers we have counts for
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Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation
Elena del Corro, Miriam Peña-Alvarez, Kentaro Sato +8
Twisted bilayer graphene (tBLG) represents a family of unique materials with optoelectronic properties tuned by the rotation angle between the two layers. The presented work shows…
Interaction between graphene and copper substrate: The role of lattice orientation
Otakar Frank, Jana Vejpravova, Vaclav Holy +2
We present a comprehensive study of graphene grown by chemical vapor deposition on copper single crystals with exposed (100), (110) and (111) faces. Direct examination of the as-gr…
The control of graphene double-layer formation in copper-catalyzed chemical vapor deposition
Martin Kalbac, Otakar Frank, Ladislav Kavan
The growth of graphene during Cu-catalyzed chemical vapor deposition was studied using 12CH4 and 13CH4 precursor gasses. We suggest that the growth begins by the formation of a mul…
Phonon and structural changes in deformed Bernal stacked bilayer graphene
Otakar Frank, Milan Bousa, Ibtsam Riaz +7
We present the first Raman spectroscopic study of Bernal bilayer graphene flakes under uniaxial tension. Apart from a purely mechanical behavior in flake regions where both layers…
Raman 2D-Band Splitting in Graphene: Theory and Experiment
Otakar Frank, Marcel Mohr, Janina Maultzsch +9
We present a systematic experimental and theoretical study of the two-phonon (2D) Raman scattering in graphene under uniaxial tension. The external perturbation unveils that the 2D…