43 citations · 283 across the 14 of their papers we have counts for
12 papers · 1 filter
Irradiation-induced metal-insulator transition in monolayer graphene
I. Shlimak, E. Zion, A. Butenko +5
A brief review of experiments directed to study a gradual localization of charge carriers and metal-insulator transition in samples of disordered monolayer graphene is presented. D…
Influence of ageing on Raman spectra and the conductivity of monolayer graphene samples irradiated by heavy and light ions
A. Butenko, E. Zion, Yu. Kaganovskii +6
The influence of long-term ageing (about one year) on the Raman scattering (RS) spectra and the temperature dependence of conductivity has been studied in two series of monolayer g…
Effect of annealing on Raman scattering spectra of monolayer graphene samples gradually disordered by ion irradiation
E. Zion, A. Butenko, Yu. Kaganovskii +6
The Raman scattering spectra (RS) of two series of monolayer graphene samples irradiated with various doses of C and Xe ions were measured after annealing in high vacuu…
Hopping magnetoresistance in ion irradiated monolayer graphene
I. Shlimak, E. Zion, A. V. Butenko +8
Magnetoresistance (MR) of ion irradiated monolayer graphene samples with variable-range hopping (VRH) mechanism of conductivity was measured at temperatures down to K in…
Localization of charge carriers in monolayer graphene gradually disordered by ion irradiation
E. Zion, A. Haran, A. V. Butenko +9
Gradual localization of charge carriers was studied in a series of micro-size samples of monolayer graphene fabricated on the common large scale film and irradiated by different do…
Raman scattering and electrical resistance of highly disordered graphene
I. Shlimak, A. Haran, E. Zion +9
Raman scattering (RS) spectra and current-voltage characteristics at room temperature were measured in six series of small samples fabricated by means of electron-beam lithography…
Energy bands in graphene: Comparison between the tight-binding model and {\it ab initio} calculations
E. Kogan, V. U. Nazarov, V. M. Silkin +1
We compare the classification of the electron bands in graphene, obtained by group theory algebra in the framework of tight-binding model (TBM), with that calculated in the density…
Space Group Symmetry Classification of Energy Bands in Graphene and Destruction of Dirac Points by Supercell Potential
E. Kogan, V. U. Nazarov, V. M. Silkin +1
In the previous publications (E. Kogan and V. U. Nazarov, Phys. Rev. B {\bf 85}, 115418 (2012) and E. Kogan, Graphene {\bf 2}, 74 (2013)) we presented point group symmetry classifi…
Symmetry classification of energy bands in graphene and silicene
E. Kogan
We present the results of the symmetry classification of the electron energy bands in graphene and silicene using group theory algebra and the tight--binding approximation. The ana…
Symmetry classification of energy bands in graphene
E. Kogan, V. U. Nazarov
We present the results of the first principle calculations of the energy bands in graphene and their symmetry classification. The valence bands and four lowest conduction bands are…
Next-nearest-neighbor Tight-binding Model of Plasmons in Graphene
V. Kadirko, K. Ziegler, E. Kogan
In this paper we investigate the influence of the next-nearest-neighbor coupling of tight-binding model of graphene on the spectrum of plasmon excitations. The nearest-neighbor tig…
Measurement of the conductance distribution function at a quantum Hall transition
D. H. Cobden, E. Kogan
We study experimentally the reproducible conductance fluctuations between the quantum Hall plateaus in the conductance of two-terminal submicron silicon MOSFETs. For the dramatic f…