| People | Locations | Statistics |
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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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Cardoso, S.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Labeling on a Chip of Cellular Fibronectin and Matrix Metallopeptidase-9 in Human Serumcitations
- 2022Seebeck effect and Joule heating in CoFeB/MgO/CoFeB-based perpendicular magnetic tunnel junctions with low resistance area productcitations
- 2020Orthorhombic GdMnO<sub>3</sub> Epitaxial Thin Film Grown onto SrTiO<sub>3</sub> (110)
- 2018All-spinel oxide Josephson junctions for high-efficiency spin filtering.
- 2017Bipolar resistive switching in Si/Ag nanostructurescitations
- 2017Unipolar Nonvolatile Resistive Switching in Pt/MgO/Ta/Ru Structures Deposited by Magnetron Sputteringcitations
- 2015Characterization tests for insulation boards made from corn cob and natural glues
- 2013Coupling and induced depinning of magnetic domain walls in adjacent spin valve nanotrackscitations
- 2011Resonant Tunneling through Electronic Trapping States in Thin MgO Magnetic Junctionscitations
- 2004Peculiar magnetic and electrical properties near structural percolation in metal-insulator granular layerscitations
Places of action
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article
Peculiar magnetic and electrical properties near structural percolation in metal-insulator granular layers
Abstract
We study CoFe/Al2O3 multilayers, varying from granular to continuous structure with CoFe nominal thickness (10 Angstromless than or equal totless than or equal to18 Angstrom). Structural percolation takes place at t=t(c)approximate to18 Angstrom, changing from activated to metallic conductance. A sharp anomaly in ac coercivity of magneto-optical Kerr effect and in magnetization M by superconducting quantum interferometer device is found at t=t*approximate to17 Angstrom, interpreted as transition from superferromagnetism (by dipolar coupled CoFe clusters) to exchange ferromagnetism. Onset at t=t* of anisotropic magnetoresistance (AMR) is attributed to skew scattering of bandlike electrons within giant fractal clusters. These structures may cause the observed Barkhausen noises in M and AMR at tapproximate tot*, disappearing at t>t*. (C) 2004 American Institute of Physics.