TY - JOUR A1 - Kämper, Klaus-Peter A1 - Pappas, D. P. A1 - Hopster, H. T1 - Reversible transition between perpendicular and in-plane magnetization in ultrathin films. Pappas, D. P.; Kämper, K.-P.; Hopster, H. T2 - Physical Review Letters. 64 (1990), H. 26 Y1 - 1990 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2865 SN - 1079-7114 SP - 3179 EP - 3182 ER -