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Figure 6
(a) Quartz crystal mounted on a HIPPO sample holder with a prismatic (1010) face normal pointing to the notch of the sample holder. The sample holder is rotated by ∼30° around the sample holder axis such that the notch becomes visible to the viewer. (b) Close-up of the quartz crystal in this orientation, highlighting the (1010) faces and the c axis of the crystal, which is misaligned by ∼25° with respect to the sample holder axis. (c) MAUD pole figure coverage, instrument and sample holder orientation corresponding to the orientation in the photograph (except for the ∼30° rotation in the photograph). (d) (1010), (1011) and (0003) pole figures extracted from the diffraction data using MAUD. (e) Uncommon analysis using standard function main crystal orientations observed in (d) used to investigate twinning in the (1011) pole figure. An imperceptible improvement in the Rietveld refinement fit when including a twin with 60° offset indicates that the twin may be an artifact of insufficient pole coverage for single-crystal texture analysis.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 56| Part 6| December 2023| Pages 1764-1775
https://doi.org/10.1107/S1600576723009275
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