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Synthesis of Non-uniformly Pr-doped SrTiO3 Ceramics and Their Thermoelectric Properties
Published on: August 15, 2015
Highly Conductive SrVO3 as a bottom electrode for functional perovskite oxides
Jarrett A Moyer1, Craig Eaton, Roman Engel-Herbert
1Department of Physics, Pennsylvania State University, University Park, PA 16802, USA.
Advanced Materials (Deerfield Beach, Fla.)
|May 25, 2013
Summary
Strontium vanadate (SrVO3) thin films offer superior performance as bottom electrode materials. These films exhibit lower resistivity and enhanced chemical stability, paving the way for advanced oxide electronics.
Area of Science:
- Materials Science
- Solid State Physics
- Thin Film Deposition
Background:
- Perovskite-based oxides are crucial for advanced electronic devices.
- SrRuO3 is a commonly used but limited bottom electrode material.
- Ideal bottom electrodes require low resistivity, high stability, and smooth surfaces.
Purpose of the Study:
- To demonstrate stoichiometric SrVO3 thin films as a high-performance bottom electrode.
- To compare SrVO3 properties with the standard SrRuO3 electrode.
- To assess the potential of SrVO3 for new functional oxide electronic devices.
Main Methods:
- Stoichiometric SrVO3 thin films were grown using hybrid molecular beam epitaxy.
- Resistivity, chemical stability, and surface morphology were characterized.
- Structural compatibility with perovskite structures was evaluated.
Main Results:
- SrVO3 thin films exhibited an order of magnitude lower room temperature resistivity than SrRuO3.
- SrVO3 demonstrated superior chemical stability compared to SrRuO3.
- Atomically smooth surfaces were achieved for the SrVO3 films.
- Excellent structural compatibility with perovskite and related structures was confirmed.
Conclusions:
- Stoichiometric SrVO3 thin films meet the requirements for an ideal bottom electrode material.
- SrVO3 offers significant advantages over SrRuO3, including lower resistivity and better stability.
- The properties of SrVO3 position it as a promising material for next-generation functional oxide electronic devices.
