dissimilar materials Archives | The American Ceramic Society

dissimilar materials

New explanation for electrical conductivity at oxide-oxide interface

By Eileen De Guire / November 16, 2011

A cross-sectional scanning transmission electron micrograph of the interface between polar lanthanum chromium oxide and nonpolar strontium titanium oxide. Although the interface appears to be atomically abrupt, detailed spectroscopic measurements show that cation mixing occurs in the interfacial region. Credit: PNNL. Electrical conductivity is a pretty simple concept to understand: electrons move. Like water that…

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