CONDUCTIVITY AND STRUCTURAL STUDIES OF NEW MIXED POTASSIUM HYDROGENO-SULFATE SELENATE KH(SO4)(0.8)(SEO4)(0.2)

Authors
GARGOURI M MNIF M MHIRI T DAOUD A
Citation
M. Gargouri et al., CONDUCTIVITY AND STRUCTURAL STUDIES OF NEW MIXED POTASSIUM HYDROGENO-SULFATE SELENATE KH(SO4)(0.8)(SEO4)(0.2), Physica status solidi. b, Basic research, 207(1), 1998, pp. 289-298
Citations number
29
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica status solidi. b, Basic research → ACNP
ISSN journal
03701972
Volume
207
Issue
1
Year of publication
1998
Pages
289 - 298
Database
ISI
SICI code
0370-1972(1998)207:1<289:CASSON>2.0.ZU;2-X
Abstract
Single crystals and polycrystalline samples of KH(SO4)(0.8)(SeO4)(0.2) were obtained by slow evaporation at 300 K. The samples were characte rized by X-ray diffraction, examined by Raman vibrational spectroscopy and impedance spectroscopy technique. At high temperatures, no phase transition leading to a superionic phase was found. KH(SO4)(0.8)(SeO4) (0.2) is characterized by a medium conductivity sigma approximate to 3 x 10(-8) Omega(-1) cm(-1) and an activation energy E-a approximate to 0.5 eV.