Coexistence of superconductivity and antiferromagnetism in single crystals A0.8Fe2−ySe2 (A = K, Rb, Cs, Tl/K and Tl/Rb): Evidence from magnetization and resistivity
R. H. Liu, X. G. Luo, M. Zhang, A. F. Wang, J. J. Ying, X. F. Wang, Y. J. Yan, Z. J. Xiang, P. Cheng, G. J. Ye, Z. Y. Li and X. H. Chen