Dong Xiao-Li, Yuan Jie, Huang Yu-Long, Feng Zhong-Pei, Ni Shun-Li, Tian Jin-Peng, Zhou Fang, Jin Kui, Zhao Zhong-Xian. New progress on FeSe-based superconductors: high-quality and high-critical-parameter (Li, Fe)OHFeSe thin filmJ. Acta Physica Sinica, 2018, 67(12): 127403. DOI: 10.7498/aps.67.20180770