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High-pressure phase transition in USiO 4 coffinite.
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High-pressure phase transition in USiO4 coffinite Daniel Reaman Wendy Panero Veronique Pointeau Maik Lang Christophe Poinssot School of Earth Sciences Fuxiang Zhang Rod Ewing CEA Saclay University of Michigan • IR absorption spectra of synthetic coffinite (U2A – NSLS) • Hypothesized transition to the reidite structure between 15 and 17 GPa • XRD analysis required for confirmation of structure Reidite structure Zircon structure