Journal
ADVANCED MATERIALS
Volume 35, Issue 11, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202207665
Keywords
antiferroelectrics; antiphase boundaries; domain-boundary engineering; polar domain boundaries
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A tunable polar domain boundary is discovered in an antiferroelectric single crystal, where the density, volume, and polarity of the boundaries can be controlled under a small stress or electric field.
Domain boundaries in ferroic materials are found to have various physical properties not observed in the surrounding domains. Such differences can be enhanced and bring promising functionalities when centrosymmetric nonpolar materials encounter polar domain boundaries. In this work, a tunable polar domain boundary is discovered in an antiferroelectric single crystal. Under a small stress or electric field, the density, volume, and polarity of the boundaries are successfully controlled.
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