Self-repairing characteristics in the solid-state Al2O3 film capacitors

The effect of the top electrode material on electrical characteristics of Al2O3 thin film capacitors has been investigated. Compared to devices with Pt top electrodes, devices using Al as the top electrode material exhibit a significantly reduced leakage current and a much higher breakdown strength....

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Veröffentlicht in:Applied physics letters 2014-07, Vol.105 (3)
Hauptverfasser: Hu, Baofu, Yao, Manwen, Xiao, Ruihua, Chen, Jianwen, Yao, Xi
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container_title Applied physics letters
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creator Hu, Baofu
Yao, Manwen
Xiao, Ruihua
Chen, Jianwen
Yao, Xi
description The effect of the top electrode material on electrical characteristics of Al2O3 thin film capacitors has been investigated. Compared to devices with Pt top electrodes, devices using Al as the top electrode material exhibit a significantly reduced leakage current and a much higher breakdown strength. These electrical characteristics are linked to the anodic oxidation reaction, which makes the capacitors have the capability of self-repairing the defects in a high electric field.
doi_str_mv 10.1063/1.4890673
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source AIP Journals Complete; Alma/SFX Local Collection
subjects Aluminum oxide
Anodizing
Applied physics
Capacitors
Electrode materials
Electrodes
Leakage current
Maintenance
Oxidation
Thin films
title Self-repairing characteristics in the solid-state Al2O3 film capacitors
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