| 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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Rebrov, Evgeny V.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2023Process intensification for gram-scale synthesis of N-doped carbon quantum dots immersing a microplasma jet in a gas-liquid reactorcitations
- 2020Non-thermal plasma for process and energy intensification in dry reforming of methanecitations
- 2019Enhanced Droplet Size Control in Liquid-Liquid Emulsions Obtained in a Wire-Guided X-Mixercitations
- 2019Enhanced Droplet Size Control in Liquid-Liquid Emulsions Obtained in a Wire-Guided X-Mixercitations
- 2015Mechanochemical synthesis of TiO2/NiFe2O4 magnetic catalysts for operation under RF fieldcitations
- 2011Structural and magnetic properties of sol-gel Co2xNi0.5-x Zn0.5-xFe2)4 thin filmscitations
- 2010Structural investigations and magnetic properties of sol-gel Ni(0.5)Zn(0.5)Fe2O4 thin films for microwave heatingcitations
- 2010Use of microtechnologies for intensifying industrial processescitations
- 2009Selective hydrogenation of acetylene alcohols over a Pd/TiO2 coating in a capillary microreactor
- 2009Confined palladium colloids in mesoporous frameworks for carbon nanotube growthcitations
- 2009Determination of the Tolman length in the improved Derjaguin-Broekhoff-de Boer theory for capillary condensation of ethanol in mesoporous thin films by ellipsometric porosimetrycitations
- 2009Method for control of the thickness of mesoporous titania films for applications in catalytic microreactors
- 2009Thin catalytic coatings on microreactor walls: a way to make industrial processes more efficient
- 2008Oxidation of organic compounds in a microstructured catalytic reactorcitations
- 2008Microwave-assisted hydrothermal synthesis of zeolite Beta coatings on ALD-modified borosilicate glass for application in microstructured reactorscitations
- 2008Mesoporous silica films as catalyst support for microstructured reactors: preparation and characterizationcitations
- 2008Gold supported on mesoporous titania thin films for application in microstructured reactors in low-temperature water-gas shift reactioncitations
- 2007Method for the in situ preparation of a single layer of zeolite beta crystals on a molybdenum substrate for microreactor applicationscitations
- 2007Film properties and in-situ optical analysis of TiO2 layers synthesized by remote plasma ALD
- 2006Preparation and characterization of bimetallic catalysts supported on mesoporous silica filmscitations
- 2005Optimization of anodic oxidation and Cu-Cr oxide catalyst preparation on structured aluminum plates processed by electro discharge machiningcitations
- 2003Challenging prospects for microstructured reaction architectures. (1). Zeolite coating synthesis and high-throughput experimentation in a microreactor
Places of action
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article
Structural and magnetic properties of sol-gel Co2xNi0.5-x Zn0.5-xFe2)4 thin films
Abstract
Nanocrystalline Co2xNi0.5-xZn0.5-xFe2O4 (x=0-0.5) thin films have been synthesized with various grain sizes by a sol–gel method on polycrystalline silicon substrates. The morphology as well as magnetic and microwave absorption properties of the films calcined at 1073 K were studied using X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, and vibrating sample magnetometry. All films were uniform without microcracks. The Co content in the Co–Ni–Zn films resulted in a grain size ranging from 15 to 32 nm while it ranged from 33 to 49 nm in the corresponding powders. Saturation and remnant magnetization increased with increase in grain size, while coercivity demonstrated a drop due to multidomain behavior of crystallites for a given value of x. Saturation magnetization increased and remnant magnetization had a maximum as a function of grain size independent of x. In turn, coercivity increased with x independent of grain size. Complex permittivity of the Co–Ni–Zn ferrite films was measured in the frequency range 2–15 GHz. The highest hysteretic heating rate in the temperature range 315–355 K was observed in CoFe2O4. The maximum absorption band shifted from 13 to 11 GHz as cobalt content increased from x=0.1 to 0.2.