Incommensurate structure and stability of mullite
- 1 May 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 31 (9) , 6140-6142
- https://doi.org/10.1103/physrevb.31.6140
Abstract
A new complete scheme of symmetry analysis for incommensurate modulated structures is applied for the first time to the important ceramic material mullite ( )O . Together with what is known of the average structure, the symmetry suffices to determine the complete Al-Si and oxygen-vacancy ordering patterns. The reason why the incommensurate structure is so stable becomes immediately apparent.
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