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The Improper Ferroelastic Phase Transition in Superionic Rb3H(SeO4)2 Crystals

✍ Scribed by N. M. Plakida; W. Salejda


Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
412 KB
Volume
148
Category
Article
ISSN
0370-1972

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Brillouin scattering study of the superi
✍ M. Pavel; A. Pawlowski; Z. Zikmund; M. Drozdowski πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 305 KB

The acoustic behaviour of (NH,),H,(SeO,), single crystal around the superionic phase transition at 378 K was studied by Brillouin scattering measurements. No anomaly of the longitudinal mode in the [loo] direction was observed whereas 5% softening of the longitudinal mode with a minimum at 382 K was