Powder diffraction
Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization of materials. An instrument dedicated to performing such powder measurements is called a powder diffractometer.
X-ray powder diffraction of Y2Cu2O5 and Rietveld refinement with two phases, showing 1% of yttrium oxide impurity (red tickers).
Powder diffraction stands in contrast to single crystal diffraction techniques, which work best with a single, well-ordered crystal.
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