2015
DOI: 10.1016/j.physe.2014.12.010
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Anisotropic resistivity of the monolayer graphene in the trigonal warping and connected Fermi curve regimes

Abstract: a b s t r a c tIn the present study, the anisotropic resistivity of the monolayer graphene has been obtained in semiclassical regime beyond the Dirac point approximation. In particular, detailed investigations were made on the dependence of conductivity on the Fermi energy. At low energies, in the vicinity of the Dirac points, band energy of the monolayer graphene is isotropic at the Fermi level. Meanwhile, at the intermediate Fermi energies anisotropic effects such as trigonal warping is expected to be the or… Show more

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Cited by 5 publications
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“…The conic spectrum of graphene arising from Dirac Hamiltonian is valid only for the low energy region of band structure which describes the isotropic electronic properties of the charge carriers. However, by considering trigonal warp effect [2,18] which extends the continuum approach to the higher energies, the band structure becomes non-linear which yields some anisotropic properties in graphene [19,20]. Even the continuum model of phosphorene was constructed by considering the quadratic wavevectors [21,22], the contributions of higher order wave-vectors that increase the validity of continuum approach for the higher energies have never been discussed before.…”
Section: Introductionmentioning
confidence: 99%
“…The conic spectrum of graphene arising from Dirac Hamiltonian is valid only for the low energy region of band structure which describes the isotropic electronic properties of the charge carriers. However, by considering trigonal warp effect [2,18] which extends the continuum approach to the higher energies, the band structure becomes non-linear which yields some anisotropic properties in graphene [19,20]. Even the continuum model of phosphorene was constructed by considering the quadratic wavevectors [21,22], the contributions of higher order wave-vectors that increase the validity of continuum approach for the higher energies have never been discussed before.…”
Section: Introductionmentioning
confidence: 99%