Entropy-driven phase transitions in complex ceramic oxides

The development of high-entropy materials has, by virtue of the inherent complexity and sublattice disorder in such systems, unlocked a plethora of unique and tunable property spaces of interest across a wide range of applications. As a result, understanding structure-property relationships in these systems has become an area of interest within materials research, with particular emphasis on the transition to the unique disordered single-phase structure. This work reviews recent progress on studies of phase transition behavior in high-entropy oxides, with a particular focus on the role of entropy-stabilization in these complex systems.