The Effect of Al 2 O 3 Nanoparticles on Hexagonal Boron Nitride Films Resulting from High-Temperature Annealing. - Li, Qiang; Liu, Kangkang; Chen, Ransheng; Fang, Wannian; Zhang, Zhihao; Chen, Youwei; Liu, Haifeng; Lin, Ziyan; Liu, Yuhuai; Wang, Tao (Nanomaterials (2079-4991), 2025)