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Ferromagnetic resonance investigation in as-prepared NiFe/FeMn/NiFe trilayer.
- Source :
-
Journal of Applied Physics . 6/1/2007, Vol. 101 Issue 11, p113915. 5p. 3 Graphs. - Publication Year :
- 2007
-
Abstract
- NiFe/FeMn/NiFe trilayer prepared by dc magnetron sputtering was systematically investigated by ferromagnetic resonance technique (FMR) at room temperature. For NiFe/FeMn/NiFe trilayer, there are two distinct resonance peaks both in in-plane and out-of-plane FMR spectra, which are attributed to the two NiFe layers, respectively. The isotropic in-plane resonance field shift is negative for the bottom NiFe layer, while positive for the top NiFe layer. And, such phenomena result from the negative interfacial perpendicular anisotropy at the bottom NiFe/FeMn interface and positive interfacial perpendicular anisotropy at the top FeMn/NiFe interface. The linewidth of the bottom NiFe layer is larger than that of the top NiFe layer, which might be related to the greater exchange coupling at the bottom NiFe/FeMn interface. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 101
- Issue :
- 11
- Database :
- Academic Search Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 25484465
- Full Text :
- https://doi.org/10.1063/1.2738387