Strongly exchange coupled core| shell nanoparticles with high magnetic anisotropy: a strategy toward rare-earth-free permanent magnets

E Lottini, A López-Ortega, G Bertoni, S Turner… - Chemistry of …, 2016 - ACS Publications
Antiferromagnetic (AFM)| ferrimagnetic (FiM) core| shell (CS) nanoparticles (NPs) of formula
Co0. 3Fe0. 7O| Co0. 6Fe2. 4O4 with mean diameter from 6 to 18 nm have been synthesized …

Enhanced magnetic properties in antiferromagnetic-core/ferrimagnetic-shell nanoparticles

M Vasilakaki, KN Trohidou, J Nogués - Scientific reports, 2015 - nature.com
Bi-magnetic core/shell nanoparticles are gaining increasing interest due to their foreseen
applications. Inverse antiferromagnetic (AFM)/ferrimagnetic (FiM) core/shell nanoparticles …

Investigation on the role of pH for the structural, optical and magnetic properties of cobalt ferrite nanoparticles and its effect on the photo-fenton activity

PA Vinosha, SJ Das - Materials Today: Proceedings, 2018 - Elsevier
Inverse spinel cobalt ferrite (CoFe2O4) nanoparticle has ensnared colossal consideration
owing to its implausible and incredible properties, predominantly its optical and magnetic …

Magnetic Coupling in Cobalt-Doped Iron Oxide Core–Shell Nanoparticles: Exchange Pinning through Epitaxial Alignment

D Zákutná, N Rouzbeh, D Nižňanský… - Chemistry of …, 2023 - ACS Publications
Tuning the core–shell morphology of bimagnetic nanoparticles and its associated exchange
bias behavior is a promising way to overcome the superparamagnetic limit and stabilize the …

Bifunctional CoFe2O4/ZnO Core/Shell Nanoparticles for Magnetic Fluid Hyperthermia with Controlled Optical Response

G Lavorato, E Lima Jr… - The Journal of …, 2018 - ACS Publications
Conjugation of optical and magnetic responses in a unique system at the nanoscale
emerges as a powerful tool for several applications. Here, we fabricated bifunctional …

Tuning the coercivity and exchange bias by controlling the interface coupling in bimagnetic core/shell nanoparticles

GC Lavorato, E Lima, HE Troiani, RD Zysler… - Nanoscale, 2017 - pubs.rsc.org
In order to explore an alternative strategy to design exchange-biased magnetic
nanostructures, bimagnetic core/shell nanoparticles have been fabricated by a thermal …

Maximizing exchange bias in Co/CoO core/shell nanoparticles by lattice matching between the shell and the embedding matrix

JA Gonzalez, JP Andrés, R Lopez Anton… - Chemistry of …, 2017 - ACS Publications
The exchange bias properties of 5 nm Co/CoO ferromagnetic/antiferromagnetic core/shell
nanoparticles, highly dispersed in a Cu x O matrix, have been optimized by matching the …

Adjusting the Néel relaxation time of Fe3O4/Zn x Co1− x Fe2O4 core/shell nanoparticles for optimal heat generation in magnetic hyperthermia

F Fabris, J Lohr, E Lima, AA De Almeida… - …, 2020 - iopscience.iop.org
In this work it is shown a precise way to optimize the heat generation in high viscosity
magnetic colloids, by adjusting the Néel relaxation time in core/shell bimagnetic …

Providing insight into exchange coupling within nanomagnetism: mechanism, micromagnetic simulation, synthesis and biomedical application

Y Tang, F Feng, G Xu, S Qin, X Ouyang, L Yao… - Science China …, 2024 - Springer
Exchange coupling within nanomagnetism is a rapidly evolving field with significant
implications for that plays a crucial role in the development of magnetic nanomaterials …

Onion-like Fe 3 O 4/MgO/CoFe 2 O 4 magnetic nanoparticles: new ways to control magnetic coupling between soft and hard magnetic phases

JM Nuñez, S Hettler, E Lima Jr, GF Goya… - Journal of Materials …, 2022 - pubs.rsc.org
The control of magnetization inversion dynamics is one of the main challenges driving the
design of new nanostructured magnetic materials for magnetoelectronic applications …