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Raman studies of superionic phase transition in (NH 4 ) 4 H 2 (SeO 4 ) 3

✍ Scribed by Polomska, Maria; Pawłowski, Antoni

Book ID
119961325
Publisher
Taylor and Francis Group
Year
1996
Tongue
English
Weight
206 KB
Volume
185
Category
Article
ISSN
0015-0193

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Brillouin scattering study of the superi
Brillouin scattering study of the superionic phase transition in (NH4)4H2(SeO4)3
✍ M. Pavel; A. Pawlowski; Z. Zikmund; M. Drozdowski 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 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