Carla Cannas
Coupled hard–soft spinel ferrite-based core–shell nanoarchitectures: magnetic properties and heating abilities
Sanna Angotzi, Marco;Mameli, Valentina;Cara, Claudio;Musinu, Anna;Niznansky, Daniel;Cannas, Carla
2020-01-01
Abstract
Bi-magnetic core–shell spinel ferrite-based nanoparticles with different CoFe2O4 core size, chemical nature of the shell (MnFe2O4 and spinel iron oxide), and shell thickness were prepared using an efficient solvothermal approach to exploit the magnetic coupling between a hard and a soft ferrimagnetic phase for magnetic heat induction. The magnetic behavior, together with morphology, stoichiometry, cation distribution, and spin canting, were investigated to identify the key parameters affecting the heat release. General trends in the heating abilities, as a function of the core size, the nature and the thickness of the shell, were hypothesized based on this systematic fundamental study and confirmed by experiments conducted on the water-based ferrofluids.File | Size | Format | |
---|---|---|---|
17. Sanna Angotzi 2020.pdf open access
Type: versione editoriale
Size 1.88 MB
Format Adobe PDF
|
1.88 MB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.