How to measure grain size
June 13, 2008
Size of crystallite from broadening of the Debye rings
Scherrer’s formula:
B: FWHM(full width at half maximum) on 2θ scale (radians)
or integral breadth(integrated intensity/maximum intensity)
t: diameter of the crystallites
ref. Elements of X-Ray Diffraction 3rd ed., B. D. Cullity and S. R. Stock, 388
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