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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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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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Story, T.
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Topics
Publications (12/12 displayed)
- 2024Raman Spectra of PbTe- and GeTe-Based Monocrystalline Epitaxial Layers
- 2021Perspectives of solution epitaxially grown defect tolerant lead-halide-perovskites and lead-chalcogenidescitations
- 2020Epitaxial Metal Halide Perovskites by Inkjet-Printing on Various Substratescitations
- 2019Experimental search for the origin of low-energy modes in topological materialscitations
- 2018The phenomenon of magnetic exchange bias in ferromagnetic nanocomposites grown by electron beam evaporationcitations
- 2010A comparison of the valence band structure of bulk and epitaxial GeTe-based diluted magnetic semiconductorscitations
- 2006Magnetic properties of (Eu,Gd)Te semiconductor layers
- 2003Magnetization of EuS-PbS multilayers with antiferromagnetic interlayer coupling
- 2003Magnetization of EuS-PbS multilayers with antiferromagnetic interlayer couplingcitations
- 2002Annealing-induced changes in electrical, optical, and magnetic properties of phosphorus doped bulk Zn<sub>1-X</sub>Mn<sub>X</sub>Te
- 2002Annealing-induced changes in electrical, optical, and magnetic properties of phosphorus doped bulk Zn1-XMnXTe
- 2002Magnetic and structural properties of EuS-PbS multilayers grown on n-PbS (100) substrates
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article
The phenomenon of magnetic exchange bias in ferromagnetic nanocomposites grown by electron beam evaporation
Abstract
For the first time, in ferromagnetic nanocomposites Co/СoO/Al2O3 formed by two-crucible electron beam evaporation with deposition on a policor substrate, the magnetic exchange bias was observed. It is associated with the magnetic interaction of the ferromagnetic metal core of Co nanoparticles with antiferromagnetic CoO layer on their surface. The low value of magnetic exchange bias is attributed to the small thickness of the CoO shell, inasmuch as the energy of exchange magnetic anisotropy, which decreases with diminishing the antiferromagnetic CoO layer thickness, cannot provide a significant increase of the coercive force when changing the magnetic field direction. The ferromagnetic nanocomposites with the magnetic exchange bias can be used as a bias magnetic layer for magnetoresistive sensors.