Author(s): Claudia Kofahl, Lars Dörrer, Brendan Muscutt, Simone Sanna, Stepan Hurskyy, Uliana Yakhnevych, Yuriy Suhak, Holger Fritze, Steffen Ganschow, and Harald Schmidt
Lithium niobate and lithium tantalate crystals are technologically important metal oxides with exceptional combinations of ferroelectric, piezoelectric, acoustic, optical, and electrical properties. The self-diffusion of both, the ionic constituents and the underlying point defects...