Ultrasensitive and Robust 120 keV Hard X‐Ray Imaging Detector based on Mixed‐Halide Perovskite CsPbBr<sub>3−</sub><i><sub>n</sub></i>I<i><sub>n</sub></i> Single CrystalsPeng Zhang, Xutang Tao, Yunqiu Hua et al.|Advanced Materials|2022Cited by 178