Assertion: silicon carbide | /r/HasProperty | unique
Facets:
value: in this regard
type: OTHER
Source sentences:
text: Silicon carbide (SiC) is unique in this regard as more than 250 polymorphs of silicon carbide had been identified by 2006, with some of them having a lattice constant as long as 301.5 nm, about one thousand times the usual SiC lattice spacings.