2009/07/25 by D. Kechrakos, Kechrakos, D.
Earth and Planetary Sciences · Energy · Engineering · Physics and Astronomy · #Characterization and Applications of Magnetic Nanoparticles #FOS: Physical sciences #Iron oxide chemistry and applications #Materials Science (cond-mat.mtrl-sci) #Mesoscale and Nanoscale Physics (cond-mat.mes-hall) #cond-mat.mes-hall #cond-mat.mtrl-sci #nanoparticles nucleation surface interactions
paper · pdf · doi:10.48550/arxiv.0907.4417
33 pages, 8 Figures; To appear in "Handbook of Nanophysics. Vol.3 : Nanoparticles and Quantum Dots " (ed.K.Sattler) (Taylor&Francis 2010)
openalex publication_date 2009/07/25 · arxiv created 2010/04/14 · arxiv updated 2010/04/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
This chapter provides an introduction to the fundamental physical ideas and models relevant to the phenomenon of magnetic hysteresis in nanoparticle assemblies. The concepts of single-domain particles and superparamagnetism are discussed. The mechanisms of magnetization by coherent rotation and the role of temperature in the gradual decay of magnetization are analyzed in the framework of simple analytical models. Modern numerical techniques (Monte Carlo simulations, Magnetization Dynamics) used to study dense nanoparticle assemblies are presented. An overview of the most common experimental techniques used to measure the magnetic hysteresis effect in nanoparticle assemblies are presented and the underlying principles are exposed.