Silver iodide (Wikipedia)
S Loftager, P Garcia-Fernandez, J A Aramburu, M Moreno, J M Garcia-Lastra, Stability and Polaronic Motion of Self-Trapped Holes in Silver Halides: Insight through DFT+U Calculations, JPCC 120, 8509 (2016)
B J Morgan, P A Madden, Relationships between Atomic Diffusion Mechanisms and Ensemble Transport Coefficients in Crystalline Polymorphs, PRL 112, 145901 (2014)