The objectives of this work have been to develop methods for extracting quantitative information from the Reflection High Energy Electron Diffraction (RHEED) pattern about the surface structure of nearly perfect crystals prepared by Molecular Beam Epitaxy (MBE) and to use these techniques to explore in detail the growth of homo~and heteroepitaxial structures involving GaAs, AlAs, InAs, and rela...

Neurosurgeons and psychiatrists who favor psychosurgery sometimes show dismay that anyone would accuse them of harboring political aims, and it is true that the average psychosurgeon has little or no interest in the application of his technology to overtly political problems. But it is equally true that several of the nation's leading psychosurgeons have persistently linked their work to the co...