Open Access
Magnetic Properties of Bi-Magnetic Core/Shell Nanoparticles: The Case of Thin Shells
Publication type: Journal Article
Publication date: 2021-11-08
Materials Chemistry
Electronic, Optical and Magnetic Materials
Chemistry (miscellaneous)
Abstract
Bi-magnetic core/shell nanoparticles were synthesized by a two-step high-temperature decomposition method of metal acetylacetonate salts. Transmission electron microscopy confirmed the formation of an ultrathin shell (~0.6 nm) of NiO and NiFe2O4 around the magnetically hard 8 nm CoFe2O4 core nanoparticle. Magnetization measurements showed an increase in the coercivity of the single-phase CoFe2O4 seed nanoparticles from ~1.2 T to ~1.5 T and to ~2.0 T for CoFe2O4/NiFe2O4 and CoFe2O4/NiO, respectively. The NiFe2O4 shell also increases the magnetic volume of particles and the dipolar interparticle interactions. In contrast, the NiO shell prevents such interactions and keeps the magnetic volume almost unchanged.
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Total citations:
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Citations from 2024:
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(66.66%)
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Omelyanchik A. et al. Magnetic Properties of Bi-Magnetic Core/Shell Nanoparticles: The Case of Thin Shells // Magnetochemistry. 2021. Vol. 7. No. 11. p. 146.
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Omelyanchik A., Villa S., Singh G. P., Rodionova V., Laureti S., Canepa F., Peddis D. Magnetic Properties of Bi-Magnetic Core/Shell Nanoparticles: The Case of Thin Shells // Magnetochemistry. 2021. Vol. 7. No. 11. p. 146.
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RIS
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TY - JOUR
DO - 10.3390/magnetochemistry7110146
UR - https://doi.org/10.3390/magnetochemistry7110146
TI - Magnetic Properties of Bi-Magnetic Core/Shell Nanoparticles: The Case of Thin Shells
T2 - Magnetochemistry
AU - Omelyanchik, Alexander
AU - Villa, Silvia
AU - Singh, Gurvinder Pal
AU - Rodionova, Valeria
AU - Laureti, Sara
AU - Canepa, F.
AU - Peddis, Davide
PY - 2021
DA - 2021/11/08
PB - MDPI
SP - 146
IS - 11
VL - 7
SN - 2312-7481
ER -
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@article{2021_Omelyanchik,
author = {Alexander Omelyanchik and Silvia Villa and Gurvinder Pal Singh and Valeria Rodionova and Sara Laureti and F. Canepa and Davide Peddis},
title = {Magnetic Properties of Bi-Magnetic Core/Shell Nanoparticles: The Case of Thin Shells},
journal = {Magnetochemistry},
year = {2021},
volume = {7},
publisher = {MDPI},
month = {nov},
url = {https://doi.org/10.3390/magnetochemistry7110146},
number = {11},
pages = {146},
doi = {10.3390/magnetochemistry7110146}
}
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MLA
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Omelyanchik, Alexander, et al. “Magnetic Properties of Bi-Magnetic Core/Shell Nanoparticles: The Case of Thin Shells.” Magnetochemistry, vol. 7, no. 11, Nov. 2021, p. 146. https://doi.org/10.3390/magnetochemistry7110146.