This invention relates to a system and method for fabricating and using a superlattice 1600. A superlattice 1600 can be fabricated by applying alternating material layers 1302 and 1304 on a ridge 902and then removing some of the alternating layers to expose edges 1504 and 1506. These exposed edges 1504 and 1506 can be of nearly arbitrary length and curvature. These edges 1504 and 1506 can be usedto fabricate nano-scale-width curved wires 1902.