Journal
PHASE TRANSITIONS
Volume 80, Issue 1-2, Pages 131-140Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/01411590701315492
Keywords
relaxors; SBN; random fields; domain state; aging
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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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