181 citations · 514 across the 13 of their papers we have counts for
9 papers · 1 filter
Effect of temperature and copper doping on the heterogeneous Fenton-like activity of CuFeO nanoparticles
Nahuel Nuñez, Enio Lima, Marcelo Vásquez Mansilla +4
Ferrite nanoparticles serve as potent heterogeneous Fenton-like catalysts, producing reactive oxygen species (ROS) for decomposing organic pollutants. We investigated the impact of…
Annealing effects on the magnetic and magnetotransport properties of iron oxide nanoparticles self-assemblies
Fernando Fabris, Enio Lima, Jorge Martín Nuñez +5
In magnetic tunnel junctions based on iron oxide nanoparticles the disorder and the oxidation state of the surface spin as well as the nanoparticles functionalization play a crucia…
Magnetic hyperthermia experiments with magnetic nanoparticles in clarified butter oil and paraffin: a thermodynamic analysis
Adriele A. de Almeida, Emilio De Biasi, Marcelo Vasquez Mansilla +11
In Specific Power Absorption (SPA) models for Magnetic Fluid Hyperthermia (MFH) experiments, the magnetic relaxation time of the nanoparticles (NPs) is known to be a fundamental de…
Validity of the Néel-Arrhenius model for highly anisotropic Co_xFe_{3-x}O_4 nanoparticles
T. E. Torres, E. Lima, A. Mayoral +4
We report a systematic study on the structural and magnetic properties of Co_{x}Fe_{3-x}O_{4} magnetic nanoparticles with sizes between to nm, prepared by thermal decompos…
Magnetic Hyperthermia with Fe3O4 nanoparticles: the Influence of Particle Size on Energy Absorption
Gerardo F. Goya, Enio Lima, Amanda D. Arelaro +5
We have studied the magnetic and power absorption properties of a series of magnetic nanoparticles (MNPs) of Fe3O4 with average sizes <d> ranging from 3 to 26 nm. Heating experimen…
Influence of the substrate and precursor on the magnetic and magneto-transport properties in magnetite films
Enio Lima, Giancarlo E. S. Brito, Christian Cavelius +4
We have investigated the magnetic and transport properties of nanoscaled Fe3O4 films obtained from Chemical Vapor Deposition (CVD) technique using [FeIIFe2III(OBut)8] and [Fe2III(O…
Numerical Simulation of Magnetic Interactions in Polycrystalline YFeO3
E. Lima, T. B. Martins, H. R. Rechenberg +5
The magnetic behavior of polycrystalline yttrium orthoferrite was studied from the experimental and theoretical points of view. Magnetization measurements up to 170 kOe were carrie…
Large magnetic anisotropy in Ferrihydrite nanoparticles synthesized from reverse micelles
E. L. Duarte, R. Itri, E. Lima +3
Six-line ferrihydrite(FH) nanoparticles have been synthesized in the core of reverse micelles, used as nanoreactors to obtain average particle sizes 2 to 4 nm. The…
Spin Disorder and Magnetic Anisotropy in Fe3O4 Nanoparticles
E. Lima, A. L. Brandl, A. D. Arelaro +1
We have studied the magnetic behavior of dextran-coated magnetite (FeO) nanoparticles with median particle size . Magnetization curves and in-field M…