GIWAXS using microbeam applied in halide perovskite films for high spectral resolution and mapping capability. - Fu, Meirong; He, Bingchen; Zhang, Liujiang; Su, Zhenhuang; Miao, Yanfeng; Sun, Qihang; Zhang, Jihao; Wang, Sisheng; Wang, Zhijun; Wang, Xingya; Wang, Yuzhu; Sun, Bo; et al. (Journal of Synchrotron Radiation, 2026)