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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Kakazei, Gn
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Topics
Publications (8/8 displayed)
- 2019Probing the morphology of epitaxial Fe/MgO discontinuous multilayers by magnetometric techniquecitations
- 2018Activation parameters of conjugated polyaniline electrolyte via dielectric relaxation technique
- 2018Negative Magnetoresistance in Nanotwinned NiMnGa Epitaxial Filmscitations
- 2017Antiferromagnetic coupling between martensitic twin variants observed by magnetic resonance in Ni-Mn-Sn-Co filmscitations
- 2015Study of magnetoelastic and magnetocrystalline anisotropies in CoxN1-x nanowire arrayscitations
- 2011Isothermal structural transitions, magnetization and large piezoelectric response in Bi1-xLaxFeO3 perovskitescitations
- 2010Effect of Gd substitution on ferroelectric and magnetic properties of Bi4Ti3O12citations
- 2004Peculiar magnetic and electrical properties near structural percolation in metal-insulator granular layerscitations
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article
Negative Magnetoresistance in Nanotwinned NiMnGa Epitaxial Films
Abstract
Magnetic shape memory alloys are under intensive investigation due to their unusual physical properties, such as magnetic shape memory effect, magnetic field induced superelasticity, direct and inverse magnetocaloric effect etc., promising for novel applications. One of the intriguing properties of these materials in a single phase state is a giant magnetoresistance. Here we report the remarkable results about the magnetoresistive properties of epitaxial films of Ni52.3Mn26.8Ga20.9 magnetic shape memory alloy in the temperature range of 100-370 K, well below the martensitic transformation temperature. It was found that the formation of non-collinear magnetic structure due to a nanotwinning of the film results in electron scattering on such a structure and noticeable negative magnetoresistance in the entire investigated temperature range.