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Dimensional crossover of correlated anion disorder in oxynitride perovskites.
- Source :
-
Chemical Communications . 5/21/2018, Vol. 54 Issue 41, p5245-5247. 3p. - Publication Year :
- 2018
-
Abstract
- A simple crossover from two-dimensional to three-dimensional correlated disorder of O and N atoms on a cubic lattice has been discovered within the Ba1−xSrxTaO2N series of perovskite oxynitrides. The crossover is driven by lattice expansion as x decreases, and provides a rapid increase in entropy due to a change from subextensive to extensive configurational entropy regimes. [ABSTRACT FROM AUTHOR]
- Subjects :
- *NITRIDES
*PEROVSKITE
*ANIONS
*ENTROPY
Subjects
Details
- Language :
- English
- ISSN :
- 13597345
- Volume :
- 54
- Issue :
- 41
- Database :
- Academic Search Index
- Journal :
- Chemical Communications
- Publication Type :
- Academic Journal
- Accession number :
- 129663423
- Full Text :
- https://doi.org/10.1039/c8cc03462a