Boysen, Hans; Frey, Friedrich
Diffuse scattering. X-rays vs. neutrons.
In: Phase Transitions, Vol. 67, No. 1: pp. 197-217
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Fundamental and experimental differences between X-ray and neutron scattering methods are outlined and the advantages of either radiation for the study of disorder in crystals are described. Special emphasis is laid on their complementarity, e.g. to identify the atomic species involved in the disorder or to decide between the elastic or inelastic nature of the diffuse scattering (static or dynamic disorder). This is illustrated by three examples: LiNbO3 (dynamic nature of chain-like disorder), doped ZrO2 (identification of cationic and anionic disorder components) and decagonal quasicrystals (distinction between quasi-isoelectronic elements).