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Nanostructured anodic multilayer dielectric stacked metal-insulator-metal capacitors
R. Karthik, D. Kannadassan, , Maryam Shojaei Baghini, , P.S. Mallick, Baghini M.S,
Published in American Scientific Publishers
2015
Volume: 15
   
Issue: 12
Pages: 9938 - 9943
Abstract
This paper presents the fabrication of Al2O3/TiO2/Al2O3 metal-insulator-metal (MIM) capacitor using anodization technique. High capacitance density of >3.5 fF/μm2, low quadratic voltage coefficient of capacitance of <115 ppm/V2 and a low leakage current density of 4.457×10-11 A/cm2 at 3 V are achieved which are suitable for analog and mixed signal applications. We found that the anodization voltage played a major role in electrical and structural properties of the thin film. This work suggests that the anodization method can offer crystalline multilayer dielectric stack required for high performance MIM capacitor. Copyright © 2015 American Scientific Publishers All rights reserved.
About the journal
JournalData powered by TypesetJournal of Nanoscience and Nanotechnology
PublisherData powered by TypesetAmerican Scientific Publishers
ISSN15334880
Open AccessNo
Concepts (8)
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    Al2o3
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    Anodization
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    High-k
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    Leakage mechanisms
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    Metal-insulator-metal (mim)
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    Multilayer
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    Quadratic voltage coefficient of capacitance
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    Tio2