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Title: Oriented conductive oxide electrodes on SiO2/Si and glass

Patent ·
OSTI ID:874103

A thin film structure is provided including a silicon substrate with a layer of silicon dioxide on a surface thereof, and a layer of cubic oxide material deposited upon the layer of silicon dioxide by ion-beam-assisted-deposition, said layer of cubic oxide material characterized as biaxially oriented. Preferably, the cubic oxide material is yttria-stabilized zirconia. Additional thin layers of biaxially oriented ruthenium oxide or lanthanum strontium cobalt oxide are deposited upon the layer of yttria-stabilized zirconia. An intermediate layer of cerium oxide is employed between the yttria-stabilized zirconia layer and the lanthanum strontium cobalt oxide layer. Also, a layer of barium strontium titanium oxide can be upon the layer of biaxially oriented ruthenium oxide or lanthanum strontium cobalt oxide. Also, a method of forming such thin film structures, including a low temperature deposition of a layer of a biaxially oriented cubic oxide material upon the silicon dioxide surface of a silicon dioxide/silicon substrate is provided.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
DOE Contract Number:
W-7405-ENG-36
Assignee:
The Regents of the University of California (Los Alamos, NM)
Patent Number(s):
US 6312819
OSTI ID:
874103
Country of Publication:
United States
Language:
English

References (8)

Epitaxial growth of highly conductive RuO 2 thin films on (100) Si journal February 1996
Ferroelectric La‐Sr‐Co‐O/Pb‐Zr‐Ti‐O/La‐Sr‐Co‐O heterostructures on silicon via template growth journal December 1993
Oriented conductive oxide electrodes on SiO 2 /Si journal September 1998
Oriented ferroelectric La‐Sr‐Co‐O/Pb‐La‐Zr‐Ti‐O/La‐Sr‐Co‐O heterostructures on [001] Pt/SiO 2 Si substrates using a bismuth titanate template layer journal May 1994
Epitaxial CeO 2 films as buffer layers for high‐temperature superconducting thin films journal May 1991
Biaxially oriented conductive La0.5Sr0.5CoO3 thin films on SiO2/Si journal May 1998
Deposition of epitaxial yttria-stabilized zirconia on single-crystal Si and subsequent growth of an amorphous SiO 2 interlayer journal December 1995
Role of Yttria-stabilized Zirconia Produced by Ion-beam-assisted Deposition on the Properties of RuO 2 on SiO 2 /Si journal September 1998