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Figure 3
The wavevectors k, [{\bf k'}] of the incident and reflected waves, respectively. h is the vector of the reciprocal lattice. The deviation of the scattering vector, [{\bf Q} = {\bf k'} - {\bf k}], from the reciprocal-lattice vector h is defined by the vector q. The angular deviations of k and [{\bf k'}] from the Bragg angle position are described by [\Delta {\theta _1}] and [\Delta {\theta _2}], respectively.

ISSN: 2053-2733
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