Magnetic Anisotropy in Co/Nd Multilayers with Depth-Selectively Inserted 57Fe Probe Layer |
| L.T. Baczewskia, K. Mibub, T. Nagahamab and T. Shinjob a Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland b Institute for Chemical Research, Kyoto University, Uji, Kyoto-fu, Japan |
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| Multilayers of Co/Nd with probe layer of 2 Å of 57Fe evaporated in UHV conditions were studied by means of vibrating sample magnetometry and Mössbauer spectroscopy at T = 4.2 K. Isomer shift, hyperfine field distribution and direction was obtained from the Mössbauer data computer fitting. Magnetic anisotropy was studied and discussed. The easy magnetization direction was close to the perpendicular direction for both samples but the tendency to perpendicular anisotropy was stronger when the Fe probe layer was placed in the vicinity of Co/Nd interface. |
| DOI: 10.12693/APhysPolA.97.439 PACS numbers: 75.30.Gw, 75.70.-i, 76.80.+y |