Web of Science: 9 cites, Scopus: 14 cites, Google Scholar: cites
Mesoscopic approach to the soft breakdown failure mode in ultrathin SiO2 films
Miranda, Enrique (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
American Physical Society

Data: 2001
Resum: We present an analytic model for the soft breakdown failure mode in ultrathin SiO2 films based on the conduction theory through quantum point contacts. The breakdown path across the oxide is represented by a three-dimensional constriction in which, due to the lateral confinement of the electron wave functions, discrete transverse energy levels arise. In the longitudinal direction, such levels are viewed by the incoming electrons as effective potential barriers, which can be treated using the one-dimensional tunneling formalism. In addition, it is shown that our mesoscopic approach is also consistent with the hard breakdown conduction mode.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Matèria: Point contacts ; Thin films ; Tunneling ; Wave functions
Publicat a: Applied physics letters, Vol. 78, Issue 2 (November 2001) , p. 225-227, ISSN 1077-3118

DOI: 10.1063/1.1339259


4 p, 298.4 KB

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