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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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Bahl, Crh
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023Additive manufactured thermoplastic elastomers for low-stress driven elastocaloric coolingcitations
- 2021Performance analysis of a high-efficiency multi-bed active magnetic regenerator devicecitations
- 2017The Effect of Nano-TiC Addition on Sintered Nd-Fe-B Permanent Magnetscitations
- 2016Ceramic tape casting: A review of current methods and trends with emphasis on rheological behaviour and flow analysiscitations
- 2016The effect of tape casting operational parameters on the quality of adjacently graded ceramic filmcitations
- 2015Ultrafast microwave hydrothermal synthesis and characterization of Bi1-xLaxFeO3 micronized particlescitations
- 2015Functionally Graded Ceramics Fabricated with Side-by-Side Tape Casting for Use in Magnetic Refrigerationcitations
- 2014An evaluation of interface capturing methods in a VOF based model for multiphase flow of a non-Newtonian ceramic in tape castingcitations
- 2013Quasi-steady state power law model for flow of (La0·85Sr0·15)0·9MnO3 ceramic slurry in tape castingcitations
- 2012Interface Oscillation in the Side-by-Side (SBS) Tape Casting of Functionally Graded Ceramics (FGCs)
- 2012Development and Experimental Results from a 1 kW Prototype AMR
- 2011A monolithic perovskite structure for use as a magnetic regeneratorcitations
- 2011Spin reorientation in α-Fe2O3 nanoparticles induced by interparticle exchange interactions in alpha-Fe2O3/NiO nanocompositescitations
- 2010Properties of magnetocaloric La(Fe,Co,Si)13 produced by powder metallurgycitations
- 2010Structural and magnetic properties of Gd/Fe multilayers grown by pulsed laser deposition
- 2009Structural and magnetic properties of Gd/Fe multilayers grown by pulsed laser deposition
- 2006The magnetic moment of NiO nanoparticles determined by Mössbauer spectroscopycitations
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article
The magnetic moment of NiO nanoparticles determined by Mössbauer spectroscopy
Abstract
We have studied the magnetic properties of 57Fe-doped NiO nanoparticles using Mössbauer spectroscopy and magnetization measurements. Two samples with different degrees of interparticle interaction were studied. In both samples the particles were characterized by high-resolution transmission electron microscopy and x-ray diffraction and found to be plate-shaped. Computer simulations showed that high-field Mössbauer data are very sensitive to the size of the uncompensated magnetic moment. From analyses of the Mössbauer spectra we have estimated that the size of the uncompensated magnetic moment is in accordance with a model based on random occupation of surface sites. The analyses of the magnetization data gave larger magnetic moments, but the difference can be explained by the different sensitivity of the two methods to a particle size distribution and by interactions between the particles, which may have a strong influence on the moments estimated from magnetization data.