Definition of peak broadening Full Width at Half Maximum (FWHM) the width of the diffraction peak, FWHM in radians,at a height half-way between background and the peak maximum ·Integral Breadth the total area under the peak divided by the peak height 46.746.846.947.047.147.247.347.447.547.647.747.847.9 20(deg.) the width of a rectangle having the same area and the same height as the peak requires very careful evaluation of the tails of the peak and the (n'e) background 48745846947047.147247347447547847.7478479 20(deg-)46.7 46.8 46.9 47.0 47.1 47.2 47.3 47.4 47.5 47.6 47.7 47.8 47.9 2 (deg.) Intensity (a.u.) Definition of peak broadening • Full Width at Half Maximum (FWHM) – the width of the diffraction peak, in radians, at a height half-way between background and the peak maximum • Integral Breadth – the total area under the peak divided by the peak height – the width of a rectangle having the same area and the same height as the peak – requires very careful evaluation of the tails of the peak and the background 46.746.846.947.047.147.2 47.347.447.547.647.747.847.9 2 (deg.) Intensity (a.u.) FWHM