Origin of FM Ordering in Pristine Micro- and Nanostructured 'Z IND.n' O - Podila, R; Queen, W; Nath, A; Arantes, Jeferson T; Schoenhalz, A L; Fazzio, Adalberto; Dalpian, Gustavo Martini; He, J; Hwu, Shiou J; Skove, Malcolm J; Rao, Apparao M (Nano Letters, 2010)