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Proceedings Article

On the dielectric susceptibility calculation in the incommensurate phase of K2SeO4

[+] Author Affiliations
T. A. Aslanyan

Institute for Physical Research (Armenia)

Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980B (March 04, 2011); doi:10.1117/12.891383
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From Conference Volume 7998

  • International Conference on Laser Physics 2010
  • Aram V. Papoyan
  • Ashtarak, Armenia | October 12, 2010

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).

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Topics

Crystals
Citation

T. A. Aslanyan
"On the dielectric susceptibility calculation in the incommensurate phase of K2SeO4", Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980B (March 04, 2011); doi:10.1117/12.891383; http://dx.doi.org/10.1117/12.891383


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