91 citations · 265 across the 6 of their papers we have counts for
6 papers
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…
Superparamagnetic Transition and Local Disorder in CuFe2O4 Nanoparticles
G. F. Goya, H. R. Rechenberg
We present X-ray diffraction (XRD), Mössbauer spectroscopy (MS) and d.c. magnetization measurements performed on ball-milled CuFe2O4 samples. The average particle size <d> was foun…
Magnetic irreversibility in ultrafine ZnFe2O4 partices
G. F. Goya, H. R. Rechenberg, M. Chen +1
Pure ultrafine ZnFe2O4 particles have been obtained from mechanosynthesis of the ZnO and Fe2O3 oxides. The average grain diameter was estimated from x-ray diffraction to be <d> = 3…
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…
Unusual magnetic behavior in ferrite hollow nanospheres
E. Lima, J. M. Vargas, R. D. Zysler +5
We report unusual magnetic behavior in iron oxide hollow nanospheres of 9.3 in diameter. The large fraction of atoms existing at the inner and outer surfaces gives rise to a h…
High and low-temperature crystal and magnetic structures of epsilon-Fe2O3 and their correlation to its magnetic properties
M. Gich, C. Frontera, A. Roig +10
The crystal and magnetic structures of the orthorhombic e-Fe2O3 have been studied by simultaneous Rietveld refinement of X-ray and neutron powder diffraction data in combination wi…