Influence of external factors on dielectric permittivity of Rochelle salt: humidity, annealing, stresses, electric field
A. G. Slivka, V. M. Kedyulich, R. R. Levitskii, A. P. Moina, M. O. Romanyuk, A. M. Guivan
Abstract
The present work contains results of experimental investigation of external factors, such as dessicating/wetting, thermal annealing, uniaxial and hydrostatic pressures on dielectric permittivity of Rochelle salt crystals. The obtained results are compared with available literature data. A conslusion is made that the dispersion of experimental data can be attributed to internal polar point defects in crystals and to influence of storage conditions. The obtained results are analyzed within the phenomenological Landau approach.
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