High-pressure behavior of quasi-one-dimensional 2H-CsCdBr3
- 15 December 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 38 (17) , 12310-12319
- https://doi.org/10.1103/physrevb.38.12310
Abstract
Hexagonal 2H- has a strongly anisotropic bonding scheme: ionicovalent chains are separated by cesium ions. Analysis of the Raman-active modes up to 25 GPa shows no phase transition. The behavior of the modes is similar to that of other one-dimensional crystals, although mechanical properties (compressibility) show little anisotropy. A qualitative model is proposed to evaluate the variation of interatomic distances under pressure.
Keywords
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