Variable-Temperature Plasmonic High-Entropy Carbides
Abstract
Effective thermal management at variable and extreme temperatures face limitations for the development of novel energy and aerospace applications. Plasmonic approaches, shown to be capable of tailoring black-body emission, could be effective if materials with high-temperature and tunable plasmonic-resonance were available. Here, we report a synergy between experimental and theoretical results proving that many high-entropy transition-metal carbides, consisting of four or more metals at equal molar ratio, have plasmonic resonance at room, high (>1000C) and variable temperatures. We also found that these high-entropy carbides can be tuned and show considerable plasmonic thermal cycling stability. This paradigm-shift approach could prove quite advantageous as it facilitates the accelerated rational discovery and manufacturability of optically highly-optimized high-entropy carbides with ad-hoc properties.
Cite
@article{arxiv.2507.03376,
title = {Variable-Temperature Plasmonic High-Entropy Carbides},
author = {Simon Divilov and Sean D. Griesemer and Robert C. Koennecker and Michael J. Ammendola and Adam C. Zettel and Hagen Eckert and Jeffrey R. Shallenberger and Xiomara Campilongo and William G. Fahrenholtz and Arrigo Calzolari and Douglas E. Wolfe and Stefano Curtarolo},
journal= {arXiv preprint arXiv:2507.03376},
year = {2025}
}
Comments
12 Pages, 7 Fugures, High Entropy Alloys and Materials (2025)