3 papers
cond-mat.mtrl-sci2020
On the detection of surface spin freezing in iron oxide nanoparticles and its long-term evolution under ambient oxidation
M. Ghoshani, E. H. Sánchez, S. S. Lee +7
Exchange bias effects linked to surface spin freezing (SSF) are commonly found in iron oxide nanoparticles, while signatures of SSF in low-field temperature-dependent magnetization…
cond-mat.mes-hall2019
Simultaneous individual and dipolar collective properties in binary assemblies of magnetic nanoparticles
Elena H. Sánchez, Marianna Vasilakaki, Su Seong Lee +12
Applications based on aggregates of magnetic nanoparticles are becoming increasingly widespread, ranging from hyperthermia to magnetic recording. However, although some uses requir…
cond-mat.mes-hall2015
High temperature magnetic stabilization of cobalt nanoparticles by an antiferromagnetic proximity effect
Jose A. De Toro, Daniel P. Marques, Pablo Muniz +4
Thermal activation tends to destroy the magnetic stability of small magnetic nanoparticles, with crucial implications in ultra-high density recording among other applications. Here…