High-Tc superconductivity induced by doping rare-earth elements into CaFeAsFPeng Cheng, Bing Shen, Gang Mu, Xiyu Zhu, Fei Han, Bin Zeng and Hai-Hu WenEPL, 85 6 (2009) 67003DOI: https://doi.org/10.1209/0295-5075/85/67003
