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Unravelling Ultraslow Lithium-Ion Diffusion in γ-LiAlO2: Experiments with Tracers, Neutrons, and Charge Carriers
15 November 2016
The cause of high energy of diffusion activation in LiAlO2 (ion-conducting material with a migration barrier of 0.72(5) eV) has been explained. Scrutinous crystal-chemical considerations revealed diffusion pathways to be strongly curved and to run between adjacent lithium positions. The findings were confirmed with tracer-diffusion experiments and by modelling using ToposPro software package.