Statistical fluctuation of intensity in Debye-Scherrer lines due to random orientation of crystal grains

Hans Ekstein
naca-tn-2447
Aug 1951

In the Debye-Scherrer diagram of a stationary polycrystalline sample, the intensity distribution in the line is erratic because of statistical irregularities of the crystal grain orientation. The fluctuations of intensity are discussed for the case that the only causes of line breadth are the natural spectral width of the primary radiation and the finite size of the grains (i.e., pure Fraunhofer diffraction).

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