Abstract
We applied the small angle nuclear scattering of synchrotron radiation (SANRS) to investigate anisotropic Galfenol-polyurethane composite comprising Galfenol grains with Fe57 nuclei arranged in the parallel chains surrounded by the non-resonant polymer substance. We aimed to insight into the individual magnetic structure of the particles and particles/polymer interface using the ability to align the synchrotron radiation beam directly on the particle by reducing the analyzed volume and resonant thickness of the composite sample. The size of the studied particles was about 3–7 μm. The results of precise analysis of the rocking curves for electron and nuclear response let to support explanation of the functional composite properties.
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Acknowledgements
Authors thank dr. T. Grigoreva (Institute of solid-state chemistry and mechanochemistry SB RAS, Novosibirsk) for Galfenol particles synthesis. We thank ESRF stuff for possibility to provide excellent experimental conditions during MA-3721 proposal at the nuclear-resonance beamline ID18 of the ESRF. We also thank Moscow University Program of development for technical supporting of experiments on specimens preparing and pre-testing for precise measurements on synchrotron facility.
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This article is part of the Topical Collection on Proceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME 2021), 5-10 September 2021, Brasov, Romania.
Edited by: Victor Kuncser
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Zholudev, S., Kiseleva, T., Chumakov, A. et al. Galfenol/polyurethane Magnetoactive composites study by small angle scattering of resonant synchrotron radiation. Hyperfine Interact 242, 43 (2021). https://doi.org/10.1007/s10751-021-01760-4
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DOI: https://doi.org/10.1007/s10751-021-01760-4