ABSTRACT
Phase transitions in matter are as old as thermodynamics [5.1] and as new as nanoscience [5.2]. This statement holds for superionic conductors (SIC) as well ever since Faraday discovered the high Ag+ conducting phase of silver sulde and lead sulde [5.3] and Makiura et al. [5.4] obtained the room temperature superionic in ~10 nm AgI nanoparticles. They connect to the gut-level physics, on the one hand, and the materials synthesis optimization, on the other.
