| 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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Boada, Roberto
Universitat Autònoma de Barcelona
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2021Photon-in/photon-out spectroscopy at the I20-scanning beamline at diamond light sourcecitations
- 2019Toward the Optimized Spintronic Response of Sn-Doped IrO <inf>2</inf> Thin Filmscitations
- 2016Effect of titania doping and sintering temperature on titanium local environment and electrical conductivity of YSZcitations
- 2014Structural determination of Bi-doped magnetite multifunctional nanoparticles for contrast imagingcitations
- 2014Structural determination of Bi-doped magnetite multifunctional nanoparticles for contrast imagingcitations
- 2014Relationships between structural and electrical properties in mixed conductors duplex materials in the ZrO2-Y2O3-TiO2 ternary systemcitations
- 2013XANES and EXAFS study of the local order in nanocrystalline yttria-stabilized zirconiacitations
- 2012Interfacial magnetic coupling between Fe nanoparticles in Fe-Ag granular alloyscitations
- 2011Enhanced protection of carbon-encapsulated magnetic nickel nanoparticles through a sucrose-based synthetic strategycitations
- 2011XMCD study of the induced magnetic moment in non-magnetic Ga and Ge atoms in intermetallic compounds
- 2010Ionic conductivity of nanocrystalline yttria-stabilized zirconiacitations
- 2010Microstructure and magnetism of nanoparticles with γ-Fe core surrounded by α-Fe and iron oxide shellscitations
- 2009Stress-induced curie temperature increase in the Fe64Ni 36 invar alloycitations
Places of action
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article
Interfacial magnetic coupling between Fe nanoparticles in Fe-Ag granular alloys
Abstract
<p>The role of the interface in mediating interparticle magnetic interactions has been analysed in Fe <sub>50</sub>Ag <sub>50</sub> and Fe <sub>55</sub>Ag <sub>45</sub> granular thin films deposited by the pulsed laser deposition technique (PLD). These samples are composed of crystalline bcc Fe (2-4nm) nanoparticles and fcc Ag (10-12nm) nanoparticles, separated by an amorphous Fe <sub>50</sub>Ag <sub>50</sub> interface, occupying around 20% of the sample volume, as determined by x-ray diffraction (XRD), x-ray absorption spectroscopy (XAS), and high resolution transmission electron microscopy (HRTEM). Interfacial magnetic coupling between Fe nanoparticles is studied by dc magnetization and x-ray magnetic circular dichroism (XMCD) measurements at the FeKand Ag L <sub>2, 3</sub>edges. This paper reveals that these thin films present two magnetic transitions, at low and high temperatures, which are strongly related to the magnetic state of the amorphous interface, which acts as a barrier for interparticle magnetic coupling.</p>