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