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On the dielectric susceptibility calculation in the incommensurate phase of K2SeO4

机译:关于K2SeO4不相称相的介电常数计算

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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).
机译:结果表明,应将K2SeO4晶体的畴状不相称(IC)相的热力学势(被视为IC-C跃迁的模型)加以补充,并考虑到局部洛伦兹电场。后者从质上改变了由Nattermann和Trimper,J. Phys。 C:固态物理学。参见,例如,J.Biol.Chem.14,1603,(1981),并给出了由Aslanyan,Phys.Immunol.Chem.Soc。,1989,10,1593-566获得的铁电IC相的相变。版本B 70,024102,(2004)。

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