Cho, SunglaeDiVenere, AntonioKim, YunkiWong, George K. L.Youn, Suk J.2004-12-032004-12-0320012001http://hdl.handle.net/2003/108710.17877/DE290R-10899enThe American Physical SocietyPhysical Review Letters530Polarity Inversion in Polar-Nonpolar-Polar Heterostructures10.1103/PhysRevLett.87.126403article (journal)