Thermochromic Lead-Free Halide Double Perovskites

Weihua Ning, Xin Gang Zhao, Johan Klarbring, Sai Bai, Fuxiang Ji, Feng Wang, Sergei I. Simak, Youtian Tao, Xiao Ming Ren, Lijun Zhang, Wei Huang, Igor A. Abrikosov, Feng Gao