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Figure 8
Illustration of the area of q space covered by a given range of wavelengths and 2θ values (angles exaggerated for clarity). The directions of qx and qz are marked. The magnet is rotated to bring the desired q vector into the middle of the shaded area, but for a given rotation angle the area is narrow and curved so that it covers only part of the qz = 0 plane which contains q, and a very short range of qz.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 55| Part 5| October 2022| Pages 1314-1323
https://doi.org/10.1107/S1600576722008226
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