Figure 5From: Enhanced thermoelectric performance in three-dimensional superlattice of topological insulator thin filmsThermoelectric transport coefficients. Thermoelectric transport coefficients as functions of chemical potential at T = 250 K for the 2D thin film with thickness 3QL and the 3D superlattice with a = 3QL, b =7.5 nm, and c = 3QL, d = 10 nm.Back to article page