MULTIPLE SCATTERING IN THE EXAFS OF CALCIUM PHOSPHATESReport as inadecuate




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Abstract : Analysis of the EXAFS spectra of hydroxyapatite, brushite and monetite, recorded above the calcium K edge, requires the inclusion of multiple scattering by phosphorus atoms at 0.37 nm, from calcium. If multiple scattering is not included, some variable parameters acquire physically unreasonable values. Atomic radii never had to be varied by more than 0.01 nm from their values in the accepted crystal structures.





Author: J. Harries D. Hukins S. Hasnain

Source: https://hal.archives-ouvertes.fr/



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