About: http://webisa.webdatacommons.org/140141657

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 addition, when a material such as sapphire, which is different from a nitride semiconductor, is used for the substrate, a nitride semiconductor may be epitaxially grown on the substrate after unevenness is formed on the substrate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com