Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/7048
Title: 90° magnetic coupling in a NiFe/FeMn/biased NiFe multilayer spin valve component investigated by polarized neutron reflectometry
Authors: Callori, SJ
Bertinshaw, J
Cortie, DL
Cai, JW
Le Brun, AP
Zhu, T
Klose, F
Keywords: Magnetization
Neutron reflectors
Spin orientation
Spin flip
Coupling
Polarization
Issue Date: 17-Jul-2014
Publisher: American Institute of Physics
Citation: Callori, S. J., Bertinshaw, J., Cortie, D. L., Cai, J. W., Le Brun, A. P., Zhu, T., & Klose, F. (2014). 90° magnetic coupling in a NiFe/FeMn/biased NiFe multilayer spin valve component investigated by polarized neutron reflectometry. Journal of Applied Physics, 116(3), 033909. doi:10.1063/1.4890355
Abstract: We have observed 90° magnetic coupling in a NiFe/FeMn/biased NiFe multilayer system using polarized neutron reflectometry. Magnetometry results show magnetic switching for both the biased and free NiFe layers, the latter of which reverses at low applied fields. As these measurements are only capable of providing information about the total magnetization within a sample, polarized neutron reflectometry was used to investigate the reversal behavior of the NiFe layers individually. Both the non-spin-flip and spin-flip neutron reflectometry signals were tracked around the free NiFe layer hysteresis loop and were used to detail the evolution of the magnetization during reversal. At low magnetic fields near the free NiFe coercive field, a large spin-flip signal was observed, indicating magnetization aligned perpendicular to both the applied field and pinned layer. © 2020 AIP Publishing LLC.
Gov't Doc #: 6731
URI: http://dx.doi.org/10.1063/1.4890355
http://apo.ansto.gov.au/dspace/handle/10238/7048
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