Crystalline and quasi-crystalline patterns in X-Ray diffraction from periodic arrays of quantum dots

A.A. Darhuber, V. Holy, G. Bauer, P.D. Wang, Y.P. Song, C.M. Sotomayor Torres, M.C. Holland

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

    2 Citaten (Scopus)

    Samenvatting

    The structural properties of a square periodic array of quantum dots of a GaAs/AlAs superlattice were studied by x-ray diffractometry. If the azimuthal direction of the primary beam can be expressed by integer Miller indices, the profile is perfectly periodic. However, if its azimuthal orientation is determined by tg() ˜ 0.618 (the golden mean value), the diffraction maxima exhibit Fibonacci sequences in reciprocal space, i.e. a quasi-periodic diffraction curve.
    Originele taal-2Engels
    Pagina's (van-tot)131-136
    Aantal pagina's6
    TijdschriftEurophysics Letters
    Volume32
    Nummer van het tijdschrift2
    DOI's
    StatusGepubliceerd - 1995

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