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Figure 1
(a) A photograph of the ABXO element. (b) The ABXO consists of an LiNbO3 bidomain single crystal and Si(110) crystal plate. (c) Directions of scans in reciprocal space in the case of a single ABXO element installed as monochromator in a triple-crystal experiment. Axis β is defined by changing the angle ([{\alpha}_{\rm{i}}]) between the incident X-ray beam and the sample surface. The angle [{\alpha}_{\rm{i}}] changes because the ABXO element oscillates, and a `triangle' of k0, k1, q vectors slides along the Ewald sphere (k0 and k1 are the wavevectors of the incident and diffracted beams, and q is the scattering vector). Scans of reciprocal space are shown with thick gray arrows (ω, 2θ and β). In (d), scan directions in reciprocal space are shown together.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 55| Part 1| February 2022| Pages 80-89
https://doi.org/10.1107/S160057672101236X
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