Effects of high-field electrical stress on the conduction properties of ultra-thin La2O3 films - Miranda, Enrique (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Molina, J. (Tokyo Institute of Technology. Frontier Collaborative Research Center) ; Kim, Y. (Tokyo Institute of Technology. Frontier Collaborative Research Center) ; Iwai, H. (Tokyo Institute of Technology. Frontier Collaborative Research Center) ; American Physical Society