Cu K-alpha

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Copper K-α is an x-ray energy frequently used on labscale x-ray instruments. The energy is 8.04 keV, which corresponds to an x-ray wavelength of 1.5406 Å.

This causes the prefactor in the scattering equation to be:


k = \frac{2 \pi}{\lambda} = 4.0784 \, \mathrm{\AA}^{-1}