Multiple-data-set Rietveld analysis using isotopes in powder neutron diffraction. I. Accurate determination of the doping level in the ternary system NixMg1-xO, 0.005 < x < 0.1

P.F. Henry, M.T. Weller, C.C. Wilson

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The use of isotopes to extract precise and very accurate structural information in complex Rietveld analysis has been demonstrated by comparison of results obtained for single-data-set analysis with those from multiple-data-set single-crystallographic-model analysis of NixMg1-xO doped with various nickel isotopes. Fractional occupancies of dopants can be accurately determined down to at least the 0.5% doping level, which cannot be obtained through single-sample-data-set refinements because of correlation effects, even when a large contrast exists between the nickel isotope used and magnesium.
Original languageEnglish
Pages (from-to)42-46
JournalJournal of Applied Crystallography
Volume34
Issue number1
DOIs
Publication statusPublished - 1 Jan 2001

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