Czigány, ZsoltHellgren, NiklasHultman, LarsNeidhardt, JörgStafström, Sven2004-12-032004-12-0320012001http://hdl.handle.net/2003/173110.17877/DE290R-11505enThe American Physical SocietyPhysical Review Letters530Cross-Linked Nano-onions of Carbon Nitride in the Solid Phase: Existence of a Novel C48N12 Aza-Fullerene10.1103/PhysRevLett.87.225503article (journal)