Room-Temperature Ferromagnetism in Fe/Sn-Codoped In2O3 Powders and Thin Films. - JIANG Feng-Xian; XI Shi-Bo; MA Rong-Rong; QIN Xiu-Fang; FAN Xiao-Chen; ZHANG Min-Gang; ZHOU Jun-Qi; XU Xiao-Hong (Chinese Physics Letters, 2013)