About: http://webisa.webdatacommons.org/117134427

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	This layer is a semiconductor material, preferably lightly doped with a p-type dopant, and is preferably between about 10 and about 50 nm thick.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com