Chen, ChangfengElstner, MarcusFrauenheim, ThomasKim, EunjaKöhler, Thomas2004-12-102004-12-1020012001http://hdl.handle.net/2003/1817910.17877/DE290R-12113enThe American Physical SocietyPhysical Review Letters530Tetragonal Crystalline Carbon Nitrides: Theoretical Predictions10.1103/PhysRevLett.86.652article (journal)