About: http://webisa.webdatacommons.org/34798567

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The substrate, typically made from piezoelectric single crystals (SCP) or ceramics such as PZT, PLZT, PMN, PMN-PT; also, the crystal may be a mutli layer composite of a ceramic piezoelectric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com