Dissemination of IT for the Promotion of Materials Science (DoITPoMS)



We have considered a microscopic picture for piezoelectrics, and we have seen some examples of the many applications in which they are exploited. Ceramic piezoelectrics (e.g. PZT) normally contain lead, but there are now lead-free piezoelectrics, e.g. with bismuth replacing the lead. There are also piezoelectric polymers in which much larger strains come at the cost of much lower stresses.