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Acta Crystallogr A. 1999 Mar 1;55(Pt 2 Pt 1):216-219.

The role of projection operators in the theory of N-beam diffraction and the inversion of three-beam elastic scattering intensities.

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  • 1Department of Applied Physics, Royal Melbourne Institute of Technology, Box 2476 W, Melbourne, Australia.


Commencing from a projection-operator description of N-beam diffraction, the mathematical basis for the recovery of phase and amplitude information from a three-beam convergent-beam electron diffraction pattern is given for both the centrosymmetric and noncentrosymmetric cases. The algebra is available in Mathematica Notebook form from the URL

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