Molecular beam epitaxy growth of superconducting LiFeAs film on SrTiO3(001) substrate K. Chang, P. Deng, T. Zhang, H.-C. Lin, K. Zhao, S.-H. Ji, L.-L. Wang, K. He, X.-C. Ma, X. Chen and Q.-K. Xue EPL, 109 2 (2015) 28003 Published online: 29 January 2015 DOI: 10.1209/0295-5075/109/28003