About: http://webisa.webdatacommons.org/378739306

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	Materials such as gold, silver and other noble metals also can support the propagation of SPP waves, but only at much higher frequencies than graphene.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com