Sodium molybdate‐hexagonal boron nitride composites enabled by cold sintering for microwave dielectric substrates. - Mena‐Garcia, Javier; Ndayishimiye, Arnaud; Fan, Zhongming; Perini, Steven E.; Li, Wenjie; Poudel, Bed; Priya, Shashank; Foley, Brian; Gaskins, John; Randall, Clive A. (Journal of the American Ceramic Society, 2023)