Heteroepitaxy of 76Ge films on GaAs by direct deposition from a low-energy ion beam Haynes, T. E. ; Zuhr, R. A. ; Pennycook, S. J. ; Larson, B. C. ; Appleton, B. R. Abstract Publication: Journal of Vacuum Science Technology Pub Date: May 1989 Bibcode: 1989JVST....7.1372H