127 citations · 730 across the 19 of their papers we have counts for
19 papers
Theoretical evidence of a significant modification of the electronic structure of double-walled carbon nanotubes due to the interlayer interaction
Valentin N. Popov
The recently reported experimental optical spectra of double-walled carbon nanotubes exhibit more peaks than it could be expected based on the layers alone. The appearance of exces…
Two-phonon Raman bands of single-walled carbon nanotubes: a case study
Valentin N. Popov
It has been long accepted that the second-order Raman bands in carbon nanotubes are enhanced through the double-resonance mechanism. Although separate aspects of this mechanism hav…
Computational study of the shift of the G band of double-walled carbon nanotubes due to interlayer interactions
Valentin N. Popov, Dmitry I. Levshov, Jean-Louis Sauvajol +1
The interactions between the layers of double-walled carbon nanotubes induce measurable shift of the G bands relative to the isolated layers. While experimental data on this shift…
Deposition of defected graphene on (001) Si substrates by thermal decomposition of acetone
T. I. Milenov, I. Avramova, E. Valcheva +7
We present results on the deposition and characterization of defected graphene by the chemical vapor deposition (CVD) method. The source of carbon/carbon-containing radicals is the…
Comparative study of the two-phonon Raman bands of silicene and graphene
Valentin N. Popov, Philippe Lambin
We present a computational study of the two-phonon Raman spectra of silicene and graphene within a density-functional non-orthogonal tight-binding model. Due to the presence of lin…
Two-phonon Raman bands of bilayer graphene: revisited
Valentin N. Popov
We present complete calculations of the two-phonon Raman bands of bilayer graphene, including all overtone and combination modes, within a density-functional tight-binding model. B…