Structure of GaN(0001): The laterally contracted Ga bilayer model
Phys. Rev. B 61, 9932–9935 (2000)
John E. Northrup Xerox Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, California 94304
J. Neugebauer Fritz-Haber-Institut der MPG, Faradeyweg 4-6, D-13195 Berlin, Germany
R. M. Feenstra Physics Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
A. R. Smith Physics Department, Ohio University, Athens, Ohio 45701
Copyright 2000 The American Physical Society