Investigation of Aluminate and Al<SUB>2</SUB>O<SUB>3</SUB> Crystals and Melts at High Temperature Using XANES Spectroscopy - Archive ouverte HAL Access content directly
Conference Papers Year : 2007

Investigation of Aluminate and Al2O3 Crystals and Melts at High Temperature Using XANES Spectroscopy

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Abstract

Using X-ray absorption at the Al K-edge at high temperature, structural information was determined on Al2O3, CaAl2O4 (CA), Ca3Al2O6 (C3A) and CaAl2Si2O8 (anorthite) in the crystalline and liquid states (2380 K). Important changes are observed for Al2O3 where all oscillation in the XANES spectra disappear above the liquidus temperature. For the three other compositions some modifications of the XANES spectra can be attributed to changes in the Al coordination.
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Dates and versions

insu-03603196 , version 1 (09-03-2022)

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Daniel R. Neuville, Laurent Cormier, Jacques Roux, Grant S. Henderson, Dominique de Ligny, et al.. Investigation of Aluminate and Al2O3 Crystals and Melts at High Temperature Using XANES Spectroscopy. X-Ray Absorption Fine Structure - XAFS13: 13th International Conference. Proceedings held at Stanford, 0000, à renseigner, Unknown Region. pp.419-421, ⟨10.1063/1.2644545⟩. ⟨insu-03603196⟩
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