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Relaxation kinetics in virtual ferroelectrics: (K, Li)TaO3 crystals

A V Turik and A G Khasabov

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A method for the treatment of dielectric spectra that allows calculation of electric dipole moments µ and off-centre displacements δ of Li ions in (K, Li)TaO3 crystals is suggested and realized. These parameters determine characters of relaxation kinetics. The obtained estimations for µ and δ are confirmed by calculation with the Arrhenius law for the mean relaxation time and are compared with the published data.


PACS

77.22.Gm Dielectric loss and relaxation

77.84.Bw Elements, oxides, nitrides, borides, carbides, chalcogenides, etc.

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 6 (12 February 2001)

Received 12 October 2000, in final form 6 December 2000



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