Quartz, Rochelle salt, Topaz, Tourmaline-group minerals, and organic materials including silk, wood, enamel, bone, hair, rubber, and dentin are all naturally available. (Polyvinylidene difluoride, PVDF or PVF2, Barium titanate, Lead titanate, Lead zirconate titanate (PZT), Potassium niobate and Lithium niobate) were present in the material. Lithium tantalate and other lead-free piezoelectric ceramics are some of the artificially manufacturer for piezoelectric transducer materials.
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