Polarized Neutron Reflectivity Investigation of Periodic Magnetic Rings
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Ogrin, F. Y.
School of Physics, University of Exeter, U.K.
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Weekes, S. M.
School of Physics, University of Exeter, U.K.
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Cubitt, B.
Institut Laue-Langevin, Grenoble, France
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Wildes, A.
Institut Laue-Langevin, Grenoble, France
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Drew, Alan J.
Group FK, Department of Physics, University of Fribourg, Switzerland
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Ross, C. A.
Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, USA
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Jung, W.
Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, USA
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Menon, R.
Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, USA
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Toperverg, B.
Institut Laue-Langevin, Grenoble, France - Petersburg Nuclear Physics Institute, Gatchina, Russia - Institut Laue-Langevin, Grenoble, France - Department of Solid State Physics IV, Ruhr-Universitaet-Bochum, Germany
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Published in:
- IEEE Transactions on Magnetics. - 2007, vol. 43, no. 6, p. 2731 - 2733
English
Magnetic ring structures are of particular interest, due to stable remanent configurations such as the vortex state, which have potential in future magnetic random access memory (MRAM) applications. Here we report results on the first experimental study of periodic ring arrays using off-specular polarized neutron reflectivity (PNR). The experiments were performed on a 7.5 mmtimes5 mm NiFe array with an average ring diameter of 3.2 mum, 0.7 mum width, 25 nm thickness, and separation of 5.6 mum. Using polarization analysis, a spin dependent diffraction of reflected and transmitted neutron beams were investigated as a function of external applied field
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/300338
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