XAFS studies of diluted magnetic semiconductor Mn-doped ZnSnAs2 thin films on InP substrates H. Oomae, H. Toyota, S. Emura, H. Asahi and N. Uchitomi EPJ Web of Conferences, 75 (2014) 09004 Published online: 03 July 2014 DOI: 10.1051/epjconf/20147509004