Hansen, N.Hughes, D. A.2004-12-032004-12-0320012001http://hdl.handle.net/2003/116010.17877/DE290R-4077enThe American Physical SocietyPhysical Review Letters530Graded Nanostructures Produced by Sliding and Exhibiting Universal Behavior10.1103/PhysRevLett.87.135503article (journal)