Glassy aging in the relaxor-like ferroelectric Na1/2Bi1/2TiO3

Eugene V. Colla; Kevin Sullivan; M. B. Weissman

doi:10.1063/1.4939597

Glassy aging in the relaxor-like ferroelectric Na_1/2Bi_1/2TiO₃

Eugene V. Colla, Kevin Sullivan, M. B. Weissman

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

The dielectric susceptibility of the lead-free relaxor-like perovskite ferroelectric Na_1/2Bi_1/2TiO₃ is shown to exhibit the same complicated spinglass-like aging behavior found in several cubic relaxors deep in the glassy state, in contrast to some uniaxial relaxors. The effects include rejuvenation and memory, including the ability to support multiple memories in parallel. Weak dependence of aging memories on changes in the electric field indicates that the aging is associated with relatively non-polar degrees of freedom, not with ferroelectric domains.

Original language	English (US)
Article number	014109
Journal	Journal of Applied Physics
Volume	119
Issue number	1
DOIs	https://doi.org/10.1063/1.4939597
State	Published - Jan 7 2016

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.4939597

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abstract = "The dielectric susceptibility of the lead-free relaxor-like perovskite ferroelectric Na1/2Bi1/2TiO3 is shown to exhibit the same complicated spinglass-like aging behavior found in several cubic relaxors deep in the glassy state, in contrast to some uniaxial relaxors. The effects include rejuvenation and memory, including the ability to support multiple memories in parallel. Weak dependence of aging memories on changes in the electric field indicates that the aging is associated with relatively non-polar degrees of freedom, not with ferroelectric domains.",

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