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Figure 1
Sketch of the magnetic SANS geometry. The momentum-transfer vector q corresponds to the difference between the wavevectors of the incident (k0) and scattered (k1) neutrons, i.e. q = k0 − k1. The magnetic field H0 is applied perpendicular to the incident neutron beam, i.e. [{{\bf H}_0}\parallel {{\bf e}_z} \, \bot \, {{\bf k}_0}]. The vector s represents the texture-axis direction, which in this study is parallel to the incident neutron beam, i.e. k0. The azimuthal angle θ characterizes the angular anisotropy of the recorded scattering pattern on the 2D detector. LSD corresponds to the sample-to-detector distance. For small-angle scattering, the component of the scattering vector along the incident neutron beam, here qx, is generally much smaller than the other two components qy and qz, so that only correlations in the plane perpendicular to the incoming neutron beam are probed.

IUCrJ
Volume 10| Part 4| July 2023| Pages 411-419
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523003937