Abstract
Influence of permenant magnetic fields H = 4, 6, 8 and 10 kOe on the Curie temperature Tc of ferroelectrics BaTiO3, Pb(Sc1/2Ta1/2)O3, (Pb1/2Ba1/2)Bi2Nb2O9, K2Sr4Nb10O30, Pb5Ge3O11, and antiferroelectrics PbHfO3, Pb(Mg1/2W1/2)O3 has been investigated. Displacement of the Tc in H was discovdered, the ΔTHc (H) dependencies were found to be non-linear. Results obtained confirm the predictions of the vibronic theory of ferroelectricity.
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