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Transparent oxide capacitor structures

United States Patent Application

20080204970
A1
View the Complete Application at the US Patent & Trademark Office
A ferroelectric capacitor structure having a lattice matched lanthanide oxide film intervening layer for providing a high polarization state. The capacitor structure includes a glass substrate, a transparent electrode layer disposed on the glass substrate, a lanthanide oxide film disposed on the transparent layer and a ferroelectric perovskite layer disposed on the lanthanide oxide film. The claim also encompases semi-transparent applications where one conductive electrode (top or bottom) is not transparent.
Ocola, Leonidas E. (Oswego, IL), Uprety, Krishna K. (Downers Grove, IL), Auciello, Orlando H. (Bolingbrook, IL)
UChicago Argonne, LLC
11/ 712,063
February 28, 2007
[0001] The United States Government has certain rights in this invention pursuant to Contract No. DE-AC02-06 CHI 1357 between the U.S. Department of Energy and UChicago Argonne, LLC as operator of Argonne National Laboratory.