Calculating FWHM of XRD peak and Crystallite Size from diffraction pattern using Android App

#CrysX:CrystallographicTools The video demonstrates the use of CrysX: Crystallographic Tools (Android App) to plot the XRD pattern using a .xy file and fit a Gaussian function to the peaks to calculate the FWHM and hence the Crystallite size based on Scherrer's formula.

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[tomaszjaron]

Does this fit include the second peak from Kalpha2 radiation? If not, the FWHM would be to large for the measurements made on typical laboratory diffractometer....

[debojyotinath]

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