Abstract

ABSTRACTThe growth of I1/VI epitaxial layers by molecular beam epitaxy (MBE) for blue/green lasers is described. To elucidate the issues in the growth of II/VI materials, the differences between II/V and II/VI MBE growth are addressed, including factors such as: substrates, molecular beam sources, lattice matching, sticking coefficients, and surface diffusion. Results of reflection high-energy diffraction (RHEED) oscillation measurements are presented. RHEED oscillations have proven to be a valuable in-situ tool for controlling certain aspects of 1I/VI MBE growth, such as ZnSySe1-y composition, Zn1-xMgxSe composition, and the growth rate of ZnSe during migration-enhanced epitaxy.

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