693.932 PEOPLE
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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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| 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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| Ali, M. A. |
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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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Christensen, Mogens
Aarhus University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (53/53 displayed)
- 2024Aligned Permanent Magnet Made in Seconds–An In Situ Diffraction Studycitations
- 2024The Chemistry of Spinel Ferrite Nanoparticle Nucleation, Crystallization, and Growthcitations
- 2024Aligned Permanent Magnet Made in Seconds:An In Situ Diffraction Studycitations
- 2024High-performance hexaferrite magnets tailored through alignment of shape-controlled nanocompositescitations
- 2023High-Performance Hexaferrite Ceramic Magnets Made from Nanoplatelets of Ferrihydrite by High-Temperature Calcination for Permanent Magnet Applicationscitations
- 2023Sintering in seconds, elucidated by millisecond in situ diffractioncitations
- 2023Defect-Engineering by Solvent Mediated Mild Oxidation as a Tool to Induce Exchange Bias in Metal Doped Ferritescitations
- 2022In-depth investigations of size and occupancies in cobalt ferrite nanoparticles by joint Rietveld refinements of X-ray and neutron powder diffraction datacitations
- 2022Exploiting different morphologies of non-ferromagnetic interacting precursor’s for preparation of hexaferrite magnetscitations
- 2022Combined characterization approaches to investigate magnetostructural effects in exchange-spring ferrite nanocomposite magnetscitations
- 2021‘Need for Speed’: Sub-second in situ diffraction to unravel rapid sintering & texture evolution in ferrite magnets
- 2021‘Need for Speed’: Sub-second in situ diffraction to unravel rapid sintering & texture evolution in ferrite magnets
- 2021Uncorrelated magnetic domains in decoupled SrFe 12 O 19 /Co hard/soft bilayerscitations
- 2021Synthesis and Characterization of a Magnetic Ceramic Using an Easily Accessible Scale Setupcitations
- 2020Restructuring Metal–Organic Frameworks to Nanoscale Bismuth Electrocatalysts for Highly Active and Selective CO 2 Reduction to Formatecitations
- 2020Exploring the direct synthesis of exchange-spring nanocomposites by reduction of CoFe 2 O 4 spinel nanoparticles using in situ neutron diffractioncitations
- 2020Expanding the tunability and applicability of exchange-coupled/decoupled magnetic nanocompositescitations
- 2020Expanding the tunability and applicability of exchange-coupled/decoupled magnetic nanocompositescitations
- 2020Exploring the direct synthesis of exchange-spring nanocomposites by reduction of CoFe2O4 spinel nanoparticles using in situ neutron diffractioncitations
- 2020Restructuring Metal–Organic Frameworks to Nanoscale Bismuth Electrocatalysts for Highly Active and Selective CO<sub>2</sub> Reduction to Formatecitations
- 2020Restructuring Metal–Organic Frameworks to Nanoscale Bismuth Electrocatalysts for Highly Active and Selective $CO_{2}$ Reduction to Formatecitations
- 2020Correlation between microstructure, cation distribution and magnetism in Ni 1-: X Zn x Fe 2 O 4 nanocrystallitescitations
- 2019Novel fast heating furnaces for in situ powder neutron diffraction
- 2019Structure and magnetic properties of W-type hexaferritescitations
- 2019Magnetostructural effects in exchange-spring nanocomposite magnets probed by combined X-ray & neutron scattering
- 2019Novel in situ powder neutron diffraction setups – The creation of a modern magnetic compound
- 2019Air-heated solid–gas reaction setup for in situ neutron powder diffractioncitations
- 2019In Situ In-House Powder X-ray Diffraction Study of Zero-Valent Copper Formation in Supercritical Methanolcitations
- 2019In Situ In-House Powder X-ray Diffraction Study of Zero-Valent Copper Formation in Supercritical Methanolcitations
- 2019Laboratory setup for rapid in situ powder X-ray diffraction elucidating Ni particle formation in supercritical methanolcitations
- 2018Crystalline and magnetic structure-property relationship in spinel ferrite nanoparticlescitations
- 2018Nanoengineered High-Performance Hexaferrite Magnets by Morphology-Induced Alignment of Tailored Nanoplateletscitations
- 2018X-ray and neutron diffraction magnetostructural investigations on exchange-coupled nanocomposite magnets
- 2018Koercivitetsforbedring af strontium hexaferrit nano-krystallitter gennem morfologikontrolleret udglødning. ; Coercivity enhancement of strontium hexaferrite nano-crystallites through morphology controlled annealingcitations
- 2018Structural evolution and stability of Sc 2 (WO 4 ) 3 after discharge in a sodium-based electrochemical cellcitations
- 2018Approaching Ferrite-Based Exchange-Coupled Nanocomposites as Permanent Magnetscitations
- 2018Coercivity enhancement of strontium hexaferrite nano-crystallites through morphology controlled annealingcitations
- 2017Optimization of spring exchange coupled ferrites, studied by in situ neutron diffraction.
- 2016Continuous Flow Supercritical Water Synthesis and Temperature-Dependent Defect Structure Analysis of YAG and YbAG Nanoparticlescitations
- 2016Energy Product Enhancement in Imperfectly Exchange-Coupled Nanocomposite Magnetscitations
- 2016Towards atomistic understanding of polymorphism in the solvothermal synthesis of ZrO 2 nanoparticlescitations
- 2016Towards atomistic understanding of polymorphism in the solvothermal synthesis of ZrO2 nanoparticlescitations
- 2014Coupling in situ synchrotron radiation with ex situ spectroscopy characterizations to study the formation of Ba1−xSrxTiO3 nanoparticles in supercritical fluidscitations
- 2014Characterization of the interface between an Fe–Cr alloy and the p-type thermoelectric oxide Ca3Co4O9citations
- 2014Metal distribution and disorder in the crystal structure of [NH2Et2][Cr7MF8(tBuCO2)16] wheel molecules for M = Mn, Fe, Co, Ni, Cu, Zn and Cdcitations
- 2014Evolution of atomic structure during nanoparticle formationcitations
- 2014Characterization of the interface between an Fe–Cr alloy and the p -type thermoelectric oxide Ca 3 Co 4 O 9citations
- 2013In-situ synchrotron PXRD study of spinel LiMn2O4 nanocrystal formation
- 2013IN-SITU SYNCHROTRON PXRD STUDY OF SPINEL TYPE LiMn2O4 NANOCRYSTAL FORMATION
- 2013Pressure versus temperature effects on intramolecular electron transfer in mixed-valence complexescitations
- 2012Investigation of the correlation between stoichiometry and thermoelectric properties in a PtSb2 single crystalcitations
- 2012Low Cost High Performance Zinc Antimonide Thin Films for Thermoelectric Applicationscitations
- 2005Nanostructured Co1-xNix(Sb1-yTey)3 skutterudites: theoretical modeling, synthesis and thermoelectric propertiescitations
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article
Aligned Permanent Magnet Made in Seconds–An In Situ Diffraction Study
Abstract
The synthesis of a strontium hexaferrite magnet is studied using in situ synchrotron powder X-ray diffraction (PXRD) with a 16-ms time resolution. The precursor material is cold compacted shape-controlled goethite and strontium carbonate. The time evolution of the phases is modeled with sequential Rietveld refinements revealing that strontium hexaferrite forms within seconds at ≈1173 K. Texture analysis is performed on selected PXRD frames throughout the experiment, and the preferred orientation introduced by cold-pressing goethite prevails through the iron oxide phase transitions (goethite → hematite → strontium hexaferrite). Electron backscatter diffraction (EBSD) data on the final pellet confirms the preferred orientation observed with PXRD. The resulting magnet has respectable magnetic properties, considering the simplicity of the preparation method, with an energy product (BHmax) of 18.6(8) kJ m−3.