About: http://webisa.webdatacommons.org/372666331

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	Compound semiconductors not listed include silicon germanium (thin layers on Si wafers), silicon carbide and III-V compounds such as gallium arsenide.
http://www.w3.org/ns/prov#wasQuotedFrom	allaboutcircuits.com