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  • International Union of Crystallography (IUCr)  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Pendellösung fringes for X-ray spherical-wave diffraction in a perfect crystal (1980)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 36 (1980), S. 1002-1013 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The results of experiments in which an anomalous form of the Pendellösung fringes has been discovered together with a classical one are presented. The general theory of X-ray spherical-wave diffraction has been constructed taking into account the change of phase relationships for radiation propagating in vacuum. An explanation of the observed experimental results and classification of possible manifestations of the Pendellösung effect are given. New data concerning the previously discovered phenomenon of focusing are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567739480002045
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The dynamical diffraction of X-ray spherical waves in two perfect crystals (1986)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 42 (1986), S. 426-435 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The general theory of X-ray spherical-wave diffraction in two, either identical or different in nature, spatially separated perfect crystals is developed. The theory takes into account the phase shift of the waves both inside the crystals and in vacuum before, between and after the crystals. The nonmonochromaticity of radiation, the source dimension and the placing of a slit before the first crystal are considered. The results of theoretical calculation and an experimental study of the interference fringes and focusing the radiation are presented. A good agreement between the experimental and theoretical data is obtained for values of the experimental parameters that affect focusing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108767386098926
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    Paper (German National Licenses)
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