Size effect of the guest cation on the AlO₄ framework in aluminate sodalite-type oxides M₈[Al₁₂O₂₄](SO₄)₂ (M = Sr²⁺ and Ca²⁺) in the I43m phase

Y. Nakahira, G. Kawamura, T. Wakamatsu, I. Terasaki, H. Taniguchi, Y. Kuroiwa and C. Moriyoshi

Synchrotron radiation powder diffraction measurements and probability density function analyses of aluminate sodalite-type oxides Sr₈[Al₁₂O₂₄](SO₄)₂ and Ca₈[Al₁₂O₂₄](SO₄)₂ of the cubic phases were performed. The rotation of AlO₄ in a tetrahedral framework was discussed.

Keywords: aluminate sodalite-type oxide; structural phase transition; probability density function (PDF); synchrotron radiation X-ray powder diffraction.

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Size effect of the guest cation on the AlO4 framework in aluminate sodalite-type oxides M8[Al12O24](SO4)2 (M = Sr2+ and Ca2+) in the I43m phase

Size effect of the guest cation on the AlO₄ framework in aluminate sodalite-type oxides M₈[Al₁₂O₂₄](SO₄)₂ (M = Sr²⁺ and Ca²⁺) in the I43m phase