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Title: Experimental determination of the extinction factor by the use of polarized X-rays
Authors: Chandrasekhar, S.
Ramaseshan, S.
Singh, A.K.
Issue Date: Jan-1969
Publisher: International Union of Crystallography
Citation: Acta Crystallographica A, 1969, Vol.25, p140
Abstract: The problem of estimating the extinction factor by use of polarized X-rays has been re-examined in the light of the theory of X-ray diffraction in real crystals developed recently by Zachariasen. Expressions are given for deriving the extinction-free structure factors in terms of the observed integrated intensities for perpendicular and parallel polarizations. A simple attachment to a diffractometer for analysing the polarization of the diffracted beam is described. Measurements on quartz are presented; the extinction-free structure factors so obtained are in excellent agreement with Zachariasen's calculated values based on new f curves.
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Copyright: 1969 International Union of Crystallography
Appears in Collections:Research Papers (SCM)

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