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This article focuses on a study related to direct electrodeposition of highly dense Bi/Sb superlattice nanowire arrays. Heterostructure formation in one-dimensional nanostructures is equally important for their unique physics properties and has produced much interesting research. Theoretical study indicated that superlattice nanowires are promising systems for the thermoelectric applications, because this structure is believed to be better in reducing phonon transport and keeping high electron mobility. The electrodeposition process is stopped when the wires emerge from the anodic alumina membranes surface.