We compute electronic and thermoelectric properties and density of states of disordered kagome lattice doped with impurity atoms in the context of tight binding model Hamiltonian due to spin-orbit coupling.The effect ...We compute electronic and thermoelectric properties and density of states of disordered kagome lattice doped with impurity atoms in the context of tight binding model Hamiltonian due to spin-orbit coupling.The effect of scattering by dilute charged impurities is discussed in terms of the self-consistent Born approximation.Green's function approach has been implemented to find the behavior of density of states and transport properties of kagome lattice.Specially,temperature dependences of electrical and thermal conductivities of kagome structure in the presence of impurity atoms have been analyzed.Also the effects of impurity concentration and scattering potential strength on behaviors of thermoelectric properties of kagome structure have been studied.Specially,the behaviors of Seebeck coefficient,power factor function,figure of merit and Lorenz number of the system have been analyzed in the presence of both impurity atoms and spin-orbit coupling effects.Our results show that impurity concentration leads to reduction of transport properties and thermoelectric factors of the disordered kagome lattice.展开更多
文摘We compute electronic and thermoelectric properties and density of states of disordered kagome lattice doped with impurity atoms in the context of tight binding model Hamiltonian due to spin-orbit coupling.The effect of scattering by dilute charged impurities is discussed in terms of the self-consistent Born approximation.Green's function approach has been implemented to find the behavior of density of states and transport properties of kagome lattice.Specially,temperature dependences of electrical and thermal conductivities of kagome structure in the presence of impurity atoms have been analyzed.Also the effects of impurity concentration and scattering potential strength on behaviors of thermoelectric properties of kagome structure have been studied.Specially,the behaviors of Seebeck coefficient,power factor function,figure of merit and Lorenz number of the system have been analyzed in the presence of both impurity atoms and spin-orbit coupling effects.Our results show that impurity concentration leads to reduction of transport properties and thermoelectric factors of the disordered kagome lattice.
