4.6 Article

Measurement of barrier heights in high permittivity gate dielectric films

Journal

APPLIED PHYSICS LETTERS
Volume 80, Issue 15, Pages 2749-2751

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.1468915

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Based on theoretical studies of tunneling current phenomenon, a method for measuring barrier heights in metal-oxide-semiconductor structures is illustrated. Using this method, barrier heights associated with the Al2O3 gate dielectric films are investigated. Also, the main conduction mechanism in Al2O3 gate dielectric films is identified to be tunneling. (C) 2002 American Institute of Physics.

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