  This paper discusses the topological and transport properties of binary
heterostructures of different topological materials. The creation of multilayer
devices is an alternative to building synthetic topological materials. By
adjusting the pattern of layers, we control the global topological properties
that favor tunneling and optimize the conductance of the edge state. Using a
one-dimensional model and the method of Green's functions, we characterize each
layer's edge states and make the chains couplings to generate the
heterostructure. To study the bulk properties, we calculate the topological
invariant from the Zak phase to build phase diagrams, and we obtain an
analytical result for the separation line between different phases that depends
on the hopping parameters of the heterostructure. We calculate the differential
conductance with the non-equilibrium Green function technique showing the
tunneling of the edge states and discussing its possible design and
experimental application.
