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- Title
An O K-edge XANES study of calcium aluminates.
- Authors
Henderson, Grant S.; Neuville, Daniel R.; Cormier, Laurent
- Abstract
Oxygen K-edge XANES spectra of crystalline calcium aluminate phases exhibit features that are strongly influenced by orbital mixing between the O 2p antibonding states and Ca and Al orbitals. Specific peaks in the spectra are characteristic of the calcium coordination and can be assigned to Ca in nine-, eight-, seven-, and six-fold coordination. The Q speciation of the AlO4 tetrahedra also influences the position of the peaks, and several peaks result from a mixture of Ca and Al interactions.
- Subjects
OXYGEN; SPECTRUM analysis; CRYSTALS; CALCIUM aluminate; CHEMICAL reactions
- Publication
Canadian Journal of Chemistry, 2007, Vol 85, Issue 10, p801
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/V07-071