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Dielectric relaxation studies in Cs2SO4

Diosa, J.E. 0 (author)
Vargas, R.A. 0 (author)
Albinsson, Ingvar, 1962 (author)
Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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Mellander, Bengt-Erik, 1949 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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 (creator_code:org_t)
2006
2006
English.
In: FERROELECTRICS. - 0015-0193. ; 333, s. 253-258
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Dielectric measurements of Cs2SO4 show a distinct relaxation at low frequencies at several isotherms ( T < 651 degrees C). For example, the relaxation frequency is around 5.1 kHz at 376 degrees C and increases to approximately 1 MHz at 651 degrees C. The relaxation has an activation energy of 0.97 eV, which is in close agreement whit that of Cs+ transport. We suggest that the observed dielectric relaxation could be produced by the Cs+ jump and SO4- reorientation that cause distortion and change the local lattice polarizability inducing dipoles like CsSO4-.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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