Journal
NANOSCALE ADVANCES
Volume 2, Issue 8, Pages 3191-3201Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0na00134a
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Funding
- University of Cagliari
- V-Fase Project - RAS Piano Sulcis
- CESA Project-RAS Piano Sulcis
- PON AIM (PON Ricerca e Innovazione 2014-2020Azione I.2) [407, AIM18904103]
- U.S. DOE Office of Science Facility, at Brookhaven National Laboratory [DE-SC0012704]
- INFN HADROCOMBI project
- INFN HADROMAG project
- EC (ERC Starting grant TSuNAMI) [716265]
- Materials Growth and Measurement Laboratory - MEYS [LM2018096]
- Fondazione Banco di Sardegna
- Regione Autonoma della Sardegna Progetti Biennali di Ateneo Annualita 2016, Fondazione Sardegna [CUP F72F16003070002]
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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.
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