Publicação: Physical properties and reentrant behavior in PLZT thin films
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Taylor & Francis Ltd
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La-modified lead zirconate titanate (PLZT) thin films were prepared to study their physical properties at macro- and nanoscale. Piezoresponse force microscopy (PFM) studies suggest a local imprint behavior at room temperature. Confirmed by P-E hysteresis loops recorded at 180-300K, the imprint effect at room temperature tends to disappear at lower temperatures. In addition, the remanent polarization gradually increases and then decreases after reaching a maximum at around 243K. This behavior suggests the occurrence of a reentrant dipole glass or an activated electric field effect in the studied PLZT films.
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PLZT, thin films, relaxors, dipole glass
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Inglês
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Ferroelectrics. Abingdon: Taylor & Francis Ltd, v. 509, n. 1, p. 1-9, 2017.
