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Proceedings Paper

On the dielectric susceptibility calculation in the incommensurate phase of K2SeO4
Author(s): T. A. Aslanyan
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Paper Abstract

It is shown that the thermodynamic potential of the domain-like incommensurate (IC) phase of the K2SeO4crystal (viewed as a model for the IC-C transition) should be supplemented with a term, taking into account the local, Lorentz electric field. The latter qualitatively changes the result of calculation of the dielectric susceptibility for this IC structure by Nattermann and Trimper, J. Phys. C: Solid State Phys. 14, 1603, (1981), and gives phase transition to the ferroelectric IC phase obtained by Aslanyan, Phys. Rev. B 70, 024102, (2004).

Paper Details

Date Published: 4 March 2011
PDF: 4 pages
Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980B (4 March 2011); doi: 10.1117/12.891383
Show Author Affiliations
T. A. Aslanyan, Institute for Physical Research (Armenia)

Published in SPIE Proceedings Vol. 7998:
International Conference on Laser Physics 2010
Aram V. Papoyan, Editor(s)

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