Synthesis and properties of La-doped CaFe2As2 single crystals with Tc= 42.7 K Zhaoshun Gao, Yanpeng Qi, Lei Wang, Dongliang Wang, Xianping Zhang, Chao Yao, Chunlei Wang and Yanwei Ma EPL, 95 6 (2011) 67002 Published online: 01 September 2011 DOI: 10.1209/0295-5075/95/67002