Aging, rejuvenation, and memory effects in the domain state of Sr0.75Ba0.25Nb2O6 (original) (raw)

Phase Transitions, 2007

Abstract

The dielectric susceptibility of strontium–barium niobate, Sr0.75Ba0.25Nb2O6, reveals strong hole-like aging behaviour in its ferroelectric state. The isothermal evolution of the linear susceptibility satisfactorily follows a stretched exponential law. After aging the sample at a selected temperature both rejuvenation and memory effects are observed in temperature cycle experiments. They seem to indicate cluster glass-like properties of the domain state involved.

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