1930
DOI: 10.1007/bf01339610
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Unterschiede in der Intensit�t der R�ntgenstrahlen-reflexion an den beiden 111-Fl�chen der Zinkblende

Abstract: In w 1 wird gezeigt, dal] --falls man zwei Linien beiderseits der Zink-K-Kante miteinander vergleieht --man einen mel]baren Unterschied in deren Intensit~ts-verh~ltnis fOr Reflexionen an den beiden verschiedenen 111-Fl~chen der Zinkblende erwarten kann. Dieser Unterschied h~ngt zusammen mit dem polaren Charakter der Zn S und wird verursaeht durch die Tatsaehe, dal3 die Phasendifferenz zwischen Prim~rwelle und Streuwelle ffir Streuung an Zink anders ist als fOr Streuung an Sehwefel. In w 2 werden MeBresultate g… Show more

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Cited by 140 publications
(51 citation statements)
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“…Starting from the first measurement of Coster, Knol and Prins [6] who determined the absolute polarity of zinc blende crystals using Au Lα 2 radiation and the first application of anomalous dispersion method to determine the absolute configuration of organic compound Na-Rb-tartrate by Bijvoet, Peerdeman and van Bommel [5], there is constantly growing interest in anomalous dispersion methods and its wide application, originated in physics, now extended to chemistry, biology, materials science and medicine. Every improvement in the precision of detection and registration of X-rays pushes forward the "detection limits" of anomalous dispersion measurements.…”
Section: Anomalous Dispersion and Crystal Structure Analysismentioning
confidence: 99%
“…Starting from the first measurement of Coster, Knol and Prins [6] who determined the absolute polarity of zinc blende crystals using Au Lα 2 radiation and the first application of anomalous dispersion method to determine the absolute configuration of organic compound Na-Rb-tartrate by Bijvoet, Peerdeman and van Bommel [5], there is constantly growing interest in anomalous dispersion methods and its wide application, originated in physics, now extended to chemistry, biology, materials science and medicine. Every improvement in the precision of detection and registration of X-rays pushes forward the "detection limits" of anomalous dispersion measurements.…”
Section: Anomalous Dispersion and Crystal Structure Analysismentioning
confidence: 99%
“…For centrosymmetric crystals an inconsistent reversal of the sign of k or b~ is not important; it is, however, for polar or noncentrosymmetric crystals, for which the anomalous scattering allows the absolute determination of the positions r,. This point can be clarified by considering X-ray scattering from ZnS (Coster, Knol & Prins, 1930), or -as will be done in the present article -the neutron scattering from CdS (Peterson & Smith, 1961).…”
Section: Anomalous Scatteringmentioning
confidence: 99%
“…Resonant scattering was predicted theoretically by Waller (1928). The first determination of absolute structure by X-ray diffraction appeared as a byproduct of a carefully contrived experiment by Coster et al (1930) to demonstrate the existence of resonant scattering. Coster et al (1930) used a crystal of hexagonal ZnS (zincblende), which is non-centrosymmetric and achiral, in an experiment with Au L radiation.…”
mentioning
confidence: 99%
“…The first determination of absolute structure by X-ray diffraction appeared as a byproduct of a carefully contrived experiment by Coster et al (1930) to demonstrate the existence of resonant scattering. Coster et al (1930) used a crystal of hexagonal ZnS (zincblende), which is non-centrosymmetric and achiral, in an experiment with Au L radiation. The latter has a wavelength corresponding to the K absorption edge of Zn which falls between the Au L 1 and Au L 2 lines.…”
mentioning
confidence: 99%