TY - RPRT TI - Vacancy-mediated and exchange diffusion in a Pb/Cu(111) surface alloy: concurrent diffusion on two length scales. AU - M L Anderson AU - M J D'Amato AU - P J Feibelman AU - B S Swartzentruber PY - 2003 DO - 10.1103/physrevlett.90.126102 UR - https://pubmed.ncbi.nlm.nih.gov/12688887/ ID - 12688887 ER -