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Acoustic measurements of thin piezoelectric lead zirconate titanate (PZT) films coated on metallic wires are presented. These experiments have demonstrated that PZT coatings fabricated by a sol-gel process can be not only coated on curved metal substrates for high-frequency focused ultrasonic transducer applications, but also on metallic wires with a long coating length for low-frequency acoustic vibrators.
Inspec keywords: ultrasonic reflection; piezoelectric materials; ceramics; lead compounds; sol-gel processing; ultrasonic transducers; piezoelectric transducers
Other keywords:
Subjects: Preparation of ceramics and refractories; Sonic and ultrasonic transducers and sensors; Piezoelectricity and electrostriction; Piezoelectric and ferroelectric materials; Piezoelectric and ferroelectric devices; Acoustic properties of solids