Spin Reorientation in Hematite (α-Fe2O3) with Al Impurity Povitskii, V. A. ; Salugin, A. N. ; Baldokhin, Yu. V. ; Makarov, E. F. ; Elistratov, N. V. Abstract Publication: Physica Status Solidi B Basic Research Pub Date: June 1978 DOI: 10.1002/pssb.2220870253 Bibcode: 1978PSSBR..87..101P