Lorenz function of Bi${}_2$Te${}_3$/Sb${}_2$Te${}_3$ superlattices

N. F. Hinsche, I. Mertig, P. Zahn

Combining first principles density functional theory and semi-classical Boltzmann transport, the anisotropic Lorenz function was studied for thermoelectric Bi${}_2$Te${}_3$/Sb$_{2}…