Ion Exchange at Metal-Ceramic Interfaces
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Ion Exchange at Metal-Ceramic Interfaces PI: Frank Ernst, Case Western Reserve University Co-PI: R. Raj, University of Colorado Award Number: MET DMR-0208008.

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Ion Exchange at Metal-Ceramic InterfacesPI: Frank Ernst, Case Western Reserve UniversityCo-PI: R. Raj, University of ColoradoAward Number: MET DMR-0208008

• Symmetrical electrodes, e.g. Al/Sp/Al do not create an EMF, but an asymmetrical electrode configuration, as shown on the right, creates a large EMF at elevated temperature, raising the specter of a new kind of high-temperature cell.

• Metal electrodes made of the cations in the spinel lead to interdiffusion adjacent to the interfaces, which enhances mechanical strength of the interface.


Ion Exchange at Metal-Ceramic InterfacesPI: Frank Ernst, Case Western Reserve UniversityCo-PI: R. Raj, University of ColoradoAward Number: DMR-0208008

Education and Outreach

• Yeonseop Yu, graduate student at Case, completed his PhD thesis and defended in 2006. Based on the skills he acquired in this project, he was hired by Samsung R&D, Korea.

• Gurpreet Singh, graduate student at UCB, completed his masters thesis.

• Myongjai Lee, doctoral student at UCB, was trained in UHV techniques, preparation of thin films, and electrical measurements revealing the mobility of ions in ionic crystals as a function of temperature.

Broader Impacts

• Frank Ernst, PI, gave an invited presentation on results from this research project in the symposium in honor of David Brandon at the TMS Annual Meeting in San Antonio, 2006.

• Frank Ernst, PI, has been invited to present results from this research project at the Materials Science and Technology meeting in Cincinnati, 2006.

• Our group has published a paper on results from this project in the Journal of Materials Science (Springer, 2006).


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