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Volume 21 Issue 4, April 2022

Photo-enhanced ionic conductors

Grain boundary conductivity limitations are ubiquitous in materials science. Illumination with above-bandgap light is now shown to decrease grain boundary resistance in a model gadolinium-doped ceria solid ionic conductor.

See Defferriere et al.

Image: Dino Klotz (Kyushu University, Fukuoka, Japan) and Thomas Defferriere (MIT, Cambridge, USA), M2design (Fukuoka, Japan). Cover Design: Thomas Phillips.

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