PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, there are three ways to obtain monolayer graphene sheets suitable to that task: the sticky-tape ???exfoliation??? method used in 2004 to isolate the material for the first time; chemical vapor deposition on copper or other material; and growth on an insulating silicon carbide substrate, which the PML researchers employ.**
http://www.w3.org/ns/prov#wasQuotedFrom
  • nist.gov