On the dielectric susceptibility calculation in the incommensurate phase of K2SeO4

T. A. Aslanyan

doi:10.1117/12.891383

4 March 2011 On the dielectric susceptibility calculation in the incommensurate phase of K₂SeO₄

T. A. Aslanyan

Proceedings Volume 7998, International Conference on Laser Physics 2010; 79980B (2011) https://doi.org/10.1117/12.891383
Event: International Conference on Laser Physics 2010, 2010, Ashtarak, Armenia

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).

Citation Download 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 (4 March 2011); https://doi.org/10.1117/12.891383

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