Tetragonality induced superconductivity in anti-ThCr$_2$Si$_2$-type $RE_2$O$_2$Bi ($RE$ = rare earth) with Bi square net - Sei, Ryosuke; Kawasoko, Hideyuki; Matsumoto, Kota; Arimitsu, Masato; Terakado, Kyohei; Oka, Daichi; Fukuda, Shintaro; Kimura, Noriaki; Kasai, Hidetaka; Nishibori, Eiji; Ohoyama, Kenji; Hoshikawa, Akinori; et al. (2020)