Bongjun Choi, Jason Lynch, Wangleong Chen, Seong-Joon Jeon, Hyungseob Cho, Kyungmin Yang, Jonghwan Kim, Nader Engheta, Deep Jariwala. "Natural hyperbolicity of hexagonal boron nitride in the deep ultraviolet." Nature Communications (2026). https://doi.org/10.1038/s41467-026-69536-4