JOURNAL ARTICLE

Raman studies of superionic phase transition in (NH4)4H2(SeO4)3

M. PołomskaAntoni Pawłowski

Year: 1996 Journal:   Ferroelectrics Vol: 185 (1)Pages: 107-110   Publisher: Taylor & Francis

Abstract

Abstract NIR FT Raman spectroscopy was used to investigate molecular groups dynamics in the vicinity of superionic phase transition in (NH4)4H2(SeO4)3. It was found that the low temperature phase transition becomes unstable about 15 K below the superionic phase transition Ts. The observed changes refer mainly to the dynamics of SeO4 and HSeO4 entities. The Raman spectra of PEO+ +(NH4)4H2(SeO4)3 polymer are presented as well.

Keywords:
Raman spectroscopy Phase transition Materials science Phase (matter) Molecular dynamics Raman scattering Fast ion conductor Crystallography Chemical physics Condensed matter physics Physical chemistry Chemistry Physics Computational chemistry Optics Electrolyte

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0.97
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4
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0.75
Citation Normalized Percentile
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Topics

Solid-state spectroscopy and crystallography
Physical Sciences →  Materials Science →  Materials Chemistry
Chemical Thermodynamics and Molecular Structure
Physical Sciences →  Chemistry →  Organic Chemistry
Crystal Structures and Properties
Physical Sciences →  Materials Science →  Electronic, Optical and Magnetic Materials

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