Iarlori, S.Righi, M. C.Scandolo, S.Serra, S.Tosatti, E.2004-12-032004-12-0320012001http://hdl.handle.net/2003/80310.17877/DE290R-3700enThe American Physical SocietyPhysical Review Letters530Surface States and Negative Electron Affinity in Polyethylene10.1103/PhysRevLett.87.076802article (journal)