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Journal Articles Inorganic Chemistry Year : 2023

Cesium Oxo-fluoro-aluminates in the CsF–Al2O3 System: Synthesis and Structural Characterization

Abstract

In an experiment combining various approaches, a precise examination of a portion of the phase diagram of the CsF−Al2O3 system was carried out up to 40 mol% Al2O3. CsF−Al2O3 solidified mixtures have been investigated using high field solid state NMR (133 Cs, 27 Al, and 19 F) spectroscopy and X-ray powder diffraction over a broad range of compositions with synchrotron powder diffraction and Rietveld analysis. A new cesium oxo-fluoro-aluminate, Cs2Al2O3F2, was discovered, prepared, and structurally analyzed by synchrotron diffraction analysis. Besides Cs2Al2O3F2, we have synthesized the following pure compounds in order to aid in the interpretation of the NMR spectra of the solidified samples: CsAlF4, Cs3AlF6, and CsAlO2.
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Dates and versions

hal-04219783 , version 1 (27-09-2023)

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František Šimko, Aydar Rakhmatullin, Graham King, Mathieu Allix, Catherine Bessada, et al.. Cesium Oxo-fluoro-aluminates in the CsF–Al2O3 System: Synthesis and Structural Characterization. Inorganic Chemistry, 2023, 62 (38), pp.15651-15663. ⟨10.1021/acs.inorgchem.3c02386⟩. ⟨hal-04219783⟩
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