Disorder enhances desired properties, as well as creating new avenues for synthesizing materials. For instance, hardness and yield stress are improved by solid-solution strengthening, a result of distortions and atomic size mismatches. Thermo-chemical stability is increased by the preference of chemically disordered mixtures for high-symmetry super-lattices. Vibrational thermal conductivity is decreased by force-constant disorder without sacrificing mechanical strength and stiffness. Thus, high-entropy ceramics propel a wide range of applications: from wear resistant coatings and thermal and environmental barriers to catalysts, batteries, thermoelectrics and nuclear energy management. Here, we discuss recent progress of the field, with a particular emphasis on disorder-enhanced properties and applications.
@article{arxiv.2111.11519,
title = {High-entropy ceramics: propelling applications through disorder},
author = {Cormac Toher and Corey Oses and Marco Esters and David Hicks and George N. Kotsonis and Christina M. Rost and Donald W. Brenner and Jon-Paul Maria and Stefano Curtarolo},
journal= {arXiv preprint arXiv:2111.11519},
year = {2021}
}