Recent progress in isolating single sheets of graphite has sparked interest in graphene-based nan... more Recent progress in isolating single sheets of graphite has sparked interest in graphene-based nanoelectronics. Experiments have already demonstrated anticipated physics such as electron-hole symmetry and the half-integer quantum Hall effect, finite conductivity at zero ...
We present a quantitative analysis on orbital magnetization of graphene under a magnetic field. T... more We present a quantitative analysis on orbital magnetization of graphene under a magnetic field. The energy spectra were obtained by solving Harper equation for a honeycomb lattice. The effect of the next-nearest-neighbor hopping NNNH is to increase the period of the ...
We calculate the electrical conductivity of single-layer graphene within the regime of massless D... more We calculate the electrical conductivity of single-layer graphene within the regime of massless Dirac fermions. We consider the electron-LO-phonon interactions as the dominant scattering mechanism. By using the Green's-function method, we are able to obtain the quantitative ...
We demonstrate two unusual electronic properties of semihydrogenated graphene with variable sized... more We demonstrate two unusual electronic properties of semihydrogenated graphene with variable sized A-or B-hydrogenated domains within the tight-binding formalism as follows: (i) a universal band gap scaling law which states that the band gap depends linearly upon the ratio of ...
Recent progress in isolating single sheets of graphite has sparked interest in graphene-based nan... more Recent progress in isolating single sheets of graphite has sparked interest in graphene-based nanoelectronics. Experiments have already demonstrated anticipated physics such as electron-hole symmetry and the half-integer quantum Hall effect, finite conductivity at zero ...
We present a quantitative analysis on orbital magnetization of graphene under a magnetic field. T... more We present a quantitative analysis on orbital magnetization of graphene under a magnetic field. The energy spectra were obtained by solving Harper equation for a honeycomb lattice. The effect of the next-nearest-neighbor hopping NNNH is to increase the period of the ...
We calculate the electrical conductivity of single-layer graphene within the regime of massless D... more We calculate the electrical conductivity of single-layer graphene within the regime of massless Dirac fermions. We consider the electron-LO-phonon interactions as the dominant scattering mechanism. By using the Green's-function method, we are able to obtain the quantitative ...
We demonstrate two unusual electronic properties of semihydrogenated graphene with variable sized... more We demonstrate two unusual electronic properties of semihydrogenated graphene with variable sized A-or B-hydrogenated domains within the tight-binding formalism as follows: (i) a universal band gap scaling law which states that the band gap depends linearly upon the ratio of ...
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