Dielectric properties of relaxor ferroelectrics are characterized by giant and temperature-insensitive dielectric constants and large frequency dependence (dielectric relaxation), and therefore useful for high permittivity capacitors. Relaxor ferroelectrics also reveal superior characteristics in electrostriction and electrooptic effects applicable to micropositioners, motors, light valves and displays. These properties are consistently explainable by the dynamic response of very small spindle-like domains in the materials.
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Kenji Uchino (1994) studied this question.
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