Journal
APPLIED PHYSICS LETTERS
Volume 99, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3671071
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We present on a metal-insulator-insulator-metal quantum electronic tunneling devices suitable for high speed rectifiers. Through the introduction of double oxide layer between similar metallic electrodes, a cascaded potential barrier is formed which alters the electron tunneling mechanism at forward versus the reverse bias. The cascaded potential barrier engineering manifests itself in both a highly nonlinear and asymmetric I-V junction characteristic. It is envisioned that high speed rectifiers and mixers having extraordinary nonlinearity can be realized through the incorporation of the cascaded potential barrier architecture and dissimilar metallic electrodes. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3671071]
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