BaZrO 3 and CaZrO 3 are perovskites with similar ZrO distances. While BaZrO 3 is cubic, CaZrO

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BaZrO3 and CaZrO3 are perovskites with similar Zr–O distances. While BaZrO3 is cubic, CaZrO3 is orthorhombically distorted by octahedral tilting. Which of these two compounds will have a larger band gap? Explain your reasoning. The Zr–O–Zr angle is 180° in BaZrO3 and 146° (on average) in CaZrO3.

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Solid State Materials Chemistry

ISBN: 9780521873253

1st Edition

Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt

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