Is the peak density (number of peaks per 2θ angle) higher at low 2θ or at high 2θ in X-ray diffraction spectra? Why?

12 December 2014 1 2K Report

Is the peak density (number of peaks per 2θ angle) higher at low 2θ or at

high 2θ in X-ray diffraction spectra? Why?

The number of peaks per range of 2theta (2theta1 - 2theta2) increases with theta. The value of theta increases with decreasing interplanar spacing (dhkl). The number of dhkl is, e.g., smaller between 10 and 8 Amgstrom than between 4 and 1 Amgtstrom. Please take into account the Bragg equation lambda = 2dsin(theta).

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