System of shutters for dual-molecular-beam epitaxy apparatus delays start of one beam with respect to another. Used in pulsed-beam equipment for deposition of low-dislocation layers of InAs on GaAs substrates, system delays application of arsenic beam with respect to indium beam to assure proper stoichiometric proportions on newly forming InAs surface. Reflectance high-energy electron diffraction (RHEED) instrument used to monitor condition of evolving surface of deposit. RHEED signal used to time pulsing of molecular beams in way that minimizes density of defects and holds lattice constant of InAs to that of GaAs substrate.


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    Titel :

    Delayed Shutters For Dual-Beam Molecular Epitaxy


    Beteiligte:
    Grunthaner, Frank J. (Autor:in) / Liu, John L. (Autor:in) / Hancock, Bruce (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1989-11-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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