Electronic Resource
Copenhagen
:
International Union of Crystallography (IUCr)
Applied crystallography online
17 (1984), S. 55-60
ISSN:
1600-5767
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Geosciences
,
Physics
Notes:
The use of the Rietveld full-profile refinement technique to estimate cation distributions is exemplified by a neutron powder diffraction study of the farringtonite-type solid solution γ-(Zn0.70Fe0.30)3(PO4)2, with five- and six-coordinated cation sites. A review of similar studies (neutron or Guinier–Hägg X-ray data) of phases with the farringtonite, sarcopside, Ni2P4O12 or olivine structure is given. The accuracy is discussed in terms of KD distribution coefficients and metal–oxygen distances. Some investigations of olivines based on X-ray single-crystal data are reviewed for comparison.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0021889884011018
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