About: http://webisa.webdatacommons.org/149308613

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	In other embodiments, emitter material 12 is tungsten, molybdenum, silicon or other materials that are commonly used for field emission sources or a wide bandgap emitter such as gallium nitride or aluminum gallium nitride.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr