Time-dependent AC magnetometry and chain formation in magnetite: the influence of particle size, initial temperature and the shortening of the relaxation time by the applied field
Irene Morales, R. Costo, Nicolas Mille, J. Carrey, A. Hernando, Patricia de la Presa
Abstract
> 22 mT, both mechanisms are present within the size distribution. This highlights the importance of taking the field intensity into account to calculate relaxation times when analysing the relaxation mechanisms of magnetic colloids subjected to AC fields.
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RemanenceMagnetometerMagnetiteRelaxation (psychology)Saturation (graph theory)Brownian motionMagnetic fieldNuclear magnetic resonanceField (mathematics)HysteresisParticle (ecology)Particle sizeMagnetic nanoparticlesMaterials scienceChemistryAnalytical Chemistry (journal)NanoparticleCondensed matter physicsPhysicsNanotechnologyMagnetizationChromatographyPhysical chemistryPure mathematicsPsychologyCombinatoricsGeologyMathematicsSocial psychologyMetallurgyOceanographyQuantum mechanicsCharacterization and Applications of Magnetic NanoparticlesGeomagnetism and Paleomagnetism StudiesIron oxide chemistry and applications