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Figure 4
Definition of the various angles required to describe the diffraction geometries and variation of the angle ψ using (a) the ω mode (shown for ψ < 0) or (b) the χ mode. L3 is the diffraction vector, S3 is the surface normal. |
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Figure 4
Definition of the various angles required to describe the diffraction geometries and variation of the angle ψ using (a) the ω mode (shown for ψ < 0) or (b) the χ mode. L3 is the diffraction vector, S3 is the surface normal. |