Masuda, AkihiroOkano, MotochikaWatanabe, Yukio2004-12-102004-12-1020012001http://hdl.handle.net/2003/1809510.17877/DE290R-11980enThe American Physical SocietyPhysical Review Letters530Surface Conduction on Insulating BaTiO3 Crystal Suggesting an Intrinsic Surface Electron Layer10.1103/PhysRevLett.86.332article (journal)