Structure and band gap engineering of Fe-doped SrSnO3 epitaxial filmsQinzhuang Liu, Hong Li, Bing Li, Wei Wang, Qiangchun Liu, Yongxing Zhang and Jianming DaiEPL, 108 3 (2014) 37003DOI: https://doi.org/10.1209/0295-5075/108/37003