Atmosphere‐Controlled Thermolysis of Decarborane–Diphenylamine Copolymer for Electrospun Ultrafine Boron Carbon Nitride Fibers. - Shao, Changwei; Wang, Chiyuan; Long, Xin; Zhang, Shuai; Li, Xudong; Ren, Jiaqi (European Journal of Inorganic Chemistry, 2026)