BELL, Anthony Martin Thomas (2023). Orthorhombic-Cubic Phase Transition in Rb2CoSi5O12 Leucite Analogue. Minerals, 13 (2): 210.
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Bell-Orthorhombic-CubicPhase(VoR).pdf - Published Version
Available under License Creative Commons Attribution.
Bell-Orthorhombic-CubicPhase(VoR).pdf - Published Version
Available under License Creative Commons Attribution.
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Abstract
An Rb2CoSi5O12 leucite analogue has been synthesized. An ambient temperature X-ray powder diffraction study shows that this analogue has the Pbca orthorhombic structure of Cs2CdSi5O12. A high temperature X-ray powder diffraction study on this analogue shows a Pbca orthorhombic to cubic phase transition at 457 K. The Rb2CoSi5O12 unit cell volume initially decreases with increasing temperature on passing through this phase transition.
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