Preparation and Characterization of Sn-BSTS Topological Insulator for Universality Test of the Quantum Hall Effect. - Tetsuro Misawa; Yasuhiro Fukuyama; Yuma Okazaki; Shuji Nakamura; Nariaki Nasaka; Takao Sasagawa; Nobu-hisa Kaneko (IEEE Trans. Instrum. Meas., 2017)