For the first time femtosecond X-ray diffraction measures the coherent strain connected to a zone-folded longitudinal acoustic phonon optically excited in a GaAs/AlGaAs superlattice, giving direct evidence for the displacive excitation mechanism.


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    Titel :

    Coherent phonons in a semiconductor superlattice studied by femtosecond X-ray diffraction


    Beteiligte:
    Bargheer, M. (Autor:in) / Zhavoronkov, N. (Autor:in) / Gritsai, Y. (Autor:in) / Woo, J.C. (Autor:in) / Kim, D.S. (Autor:in) / Woerner, M. (Autor:in) / Elsaesser, T. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    2079899 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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