Pure nematic state in the iron-based superconductor FeSeRemoveY. Kubota, F. Nabeshima, K. Nakayama, H. Ohsumi, Yoshikazu Tanaka, K. Tamasaku, T. Suzuki, K. Okazaki, T. Sato, A. Maeda, and M. YabashiPhys. Rev. B 108, L100501 (2023)