Abstract

The polarization dynamics of Rb1−x (ND4) x D2AsO4 with x = 0.30 and 0.37 has been investigated by the temporal relaxation of remanent polarization. The relaxation behaviors are well described by Chamberlin's dynamically correlated domain model. The dynamic behavior is found to depend also on the waiting time spent in the glass state before removing the field. A crossover from Curie-von Schweidler-like response in the high temperature regime to Kohlrausch-Williams-Watts-like response in the low temperature regime is observed to be maintained in the aging process.

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