A high quality GaSb bicrystal was grown in a Bridgeman type arrangement under microgravity conditions on board of Salyut-6. Rutherford back-scattering measurements indicate oxide and damage free surfaces. Scanning electron microscopy revealed microfacets on the space grown sample. The morphology of the sample suggests a crystallization quite free of a wall effect. A comparison is given between space and terrestrial GaSb ingots, showing differences in surface quality, crystal perfection and hole mobilities. In the space grown sample a muh=2700 cm2 v- 1 s- 1 value was found, while for the terrestrial control this value was only 2000 cm2 v- 1 s- 1.


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    Title :

    The growth of GaSb under microgravity conditions


    Additional title:

    Wachstum von GaSb unter Bedingung der Mikrogravitation


    Contributors:
    Lendvay, E. (author) / Harsy, M. (author) / Gorog, T. (author) / Gyuro, I. (author) / Pozsgai, I. (author) / Koltai, F. (author) / Gyulai, J. (author) / Lohner, T. (author) / Mezey, G. (author) / Kotai, E. (author)

    Published in:

    Journal of Crystal Growth ; 71 , 3 ; 538-550


    Publication date :

    1985


    Size :

    13 Seiten, 18 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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