TY - JOUR A1 - Engel, D. A1 - Ehresmann, A. A1 - Schmoranzer, H. A1 - Mertins, H.-Ch. A1 - Abramsohn, D. A1 - Gudat, W. T1 - Soft X--Ray Resonant Magnetic Reflection Investigations of FeMn/Co/Cu/Co Spin Valves Modified by He--Ion Bombardment JF - Physica B Y1 - 2004 VL - 345 SP - 185 EP - 188 ER -