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Direct Localization of Atoms in Mixed‐Occupancy Powders by Resonant Contrast Diffraction
Author(s) -
Palancher Herve,
Hodeau JeanLouis,
Pichon Christophe,
Bérar JeanFrançois,
Lynch John,
Rebours Bernadette,
RodriguezCarvajal Juan
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200461642
Subject(s) - diffraction , contrast (vision) , scattering , occupancy , zeolite , differential (mechanical device) , materials science , sample (material) , molecular physics , analytical chemistry (journal) , crystallography , optics , chemistry , physics , thermodynamics , chromatography , organic chemistry , engineering , architectural engineering , catalysis
Spot on! Resonant scattering enables accurate localization of the individual cations in powders by the routine use of “anomalous differential patterns” and “dispersive difference maps” (see picture), as demonstrated for (Sr,Rb) zeolite X, a sample of potential industrial interest.