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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2007

Inversion of the diffraction pattern from an inhomogeneously strained crystal using an iterative algorithm

Résumé

The displacement field in highly nonuniformly strained crystals is obtained by addition of constraints to an iterative phase retrieval algorithm. These constraints include direct space density uniformity and also constraints to the sign and derivatives of the different components of the displacement field. This algorithm is applied to an experimental reciprocal space map measured using high-resolution x-ray diffraction from an array of silicon lines, and the obtained component of the displacement field is in very good agreement with the one calculated using a finite element mode
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hal-01253313 , version 1 (04-09-2023)

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A. A. Minkevich, M. Gailhanou, J.-S. Micha, B. Charlet, Virginie Chamard, et al.. Inversion of the diffraction pattern from an inhomogeneously strained crystal using an iterative algorithm. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 76 (10), pp.104106. ⟨10.1103/PhysRevB.76.104106⟩. ⟨hal-01253313⟩
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