Author:
Mitrovic Ivona Z.,Weerakkody Ayendra Don,Sedghi Naser,Hall Stephen,Ralph Jason F.,Wrench Jacqueline S.,Chalker Paul R.,Luo Zhenhua,Beeby Steve
Abstract
We present comprehensive experimental and theoretical work on tunnel-barrier rectifiers comprising double (Nb2O5-Al2O3) and triple (Ta2O5-Nb2O5-Al2O3) insulator configurations engineered to enhance low-voltage nonlinearity. The key rectifier properties, asymmetry, nonlinearity and responsivity have been assessed from current-voltage measurements. A superior low-voltage asymmetry (12 at 0.1 V) and responsivity (5 A/W at 0.2 V) for MIIIM rectifiers have been observed. The results demonstrate enhanced rectification by atomically multi-layering tunnel barriers in cascaded and non-cascaded MIIIM arrangements, for inclusion in optical nantennas.
Publisher
The Electrochemical Society
Cited by
9 articles.
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