Cu/Te substitution effects on superconductivity and microstructure of phase-separated K0.8Fe1.75Se2Z. Wang, Y. Cai, Z. W. Wang, Z. A. Sun, H. X. Yang, H. F. Tian, C. Ma, B. Zhang and J. Q. LiEPL, 102 3 (2013) 37010DOI: https://doi.org/10.1209/0295-5075/102/37010