Indian Streams Research Journal

Volume : VI, Issue : II, March - 2016

STUDY CRYSTAL CHEMISTRY OF THE PEROVSKITE STRUCTURE

Kanta , Mahender Singh Sheoran

DOI : 10.9780/22307850, By : Laxmi Book Publication

Abstract :

The earliest description of the common atomic arrangement having the general formula ABX3 and a simple cubic structure was for the mineral known as perovskite, CaTiO3. The structure of CaTiO3 was later found to adopt a distorted perovskite lattice and thus an orthorhombic unit cell. However the term perovskite has been universally adopted to describe the structure of ABX3 compounds. Indeed, most structures described as perovskite are essentially orthorhombic yet still assume the ideal simple cubic unit cell at elevated temperatures.

Keywords :

• cubic structure,
• perovskite lattice orthorhombic unit cell, etc.

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References :

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20. Y. Al-Douri, H. Abid, A. Aourag, Materials Letters, 59, 2032, (2005).
21. A. S. Verma and S. R. Bhardwaj, J. Phys: Condensed Matter, 19, 026213, (2007).
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26. Y. Al-Douri, H. Abid, A. Aourag, Materials Letters, 59, 2032, (2005).
27. A. S. Verma and S. R. Bhardwaj, J. Phys: Condensed Matter, 19, 026213, (2007).
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29. V. Kumar, and B. S. R. Sastry, J. Phys. Chem. Solids, 66, 99, (2005).

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