Magnetic properties of hybrid V2O3/Ni composites

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[1] Sutton, L.
[2] Lauzier, J.
[3] De La Venta, J.
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| 1600年 / American Institute of Physics Inc.卷 / 123期
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The magnetic properties of bulk hybrid V2O3/Ni composites were studied as a function of composition and synthesis conditions. We find a sharp increase in the coercivity and a sharp decrease of the magnetization as the temperature of the bulk materials passes through the V2O3 structural phase transition. The magnitude of the effect of the V2O3 phase transformation on the magnetic properties of the Ni is strongly dependent on sintering temperature. The V2O3 crystallite size is also dependent on the sintering conditions. Stress on the Ni particles due to the V2O3 structural transformation produces an inverse magnetostrictive effect which is responsible for the changes in the magnetic properties. © 2018 Author(s).
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