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Chemical engineerin...
Chemical engineering of cationic distribution in spinel ferrite nanoparticles : the effect on the magnetic properties
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- Baričić, Miran (författare)
- Univ Genoa, Dipartimento Chim & Chim Ind, Via Dodecaneso 31, I-16146 Genoa 1, Italy.;Univ Genoa, NM2 Lab, INSTM, Via Dodecaneso 31, I-16146 Genoa 1, Italy.
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- Maltoni, Pierfrancesco (författare)
- Uppsala universitet,Fasta tillståndets fysik
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- Barucca, Gianni (författare)
- Univ Politecn Marche, Dipartimento Sci & Ingn Mat Ambiente & Urbanist, Via Brecce Bianche 12, Ancona, Italy.
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- Yaacoub, Nader (författare)
- Le Mans Univ, Inst Mol & Mat Mans, CNRS UMR 6283, F-72085 Le Mans, France.
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- Omelyanchik, Alexander (författare)
- Univ Genoa, Dipartimento Chim & Chim Ind, Via Dodecaneso 31, I-16146 Genoa 1, Italy.;Univ Genoa, NM2 Lab, INSTM, Via Dodecaneso 31, I-16146 Genoa 1, Italy.;Natl Res Council CNR, Inst Struct Matter ISM, NM2 Lab, Via Salaria,Km 29,300, I-00015 Rome, Italy.
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- Canepa, Fabio (författare)
- Univ Genoa, Dipartimento Chim & Chim Ind, Via Dodecaneso 31, I-16146 Genoa 1, Italy.;Univ Genoa, NM2 Lab, INSTM, Via Dodecaneso 31, I-16146 Genoa 1, Italy.
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- Mathieu, Roland (författare)
- Uppsala universitet,Fasta tillståndets fysik
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- Peddis, Davide (författare)
- Univ Genoa, Dipartimento Chim & Chim Ind, Via Dodecaneso 31, I-16146 Genoa 1, Italy.;Univ Genoa, NM2 Lab, INSTM, Via Dodecaneso 31, I-16146 Genoa 1, Italy.;Natl Res Council CNR, Inst Struct Matter ISM, NM2 Lab, Via Salaria,Km 29,300, I-00015 Rome, Italy.
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Univ Genoa, Dipartimento Chim & Chim Ind, Via Dodecaneso 31, I-16146 Genoa 1, Italy;Univ Genoa, NM2 Lab, INSTM, Via Dodecaneso 31, I-16146 Genoa 1, Italy. Fasta tillståndets fysik (creator_code:org_t)
- Royal Society of Chemistry, 2024
- 2024
- Engelska.
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Ingår i: Physical Chemistry, Chemical Physics - PCCP. - : Royal Society of Chemistry. - 1463-9076 .- 1463-9084. ; 26:7, s. 6325-6334
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- A set of ∼9 nm CoFe2O4 nanoparticles substituted with Zn2+ and Ni2+ was prepared by thermal decomposition of metallic acetylacetonate precursors to correlate the effects of replacement of Co2+ with the resulting magnetic properties. Due to the distinct selectivity of these cations for the spinel ferrite crystal sites, we show that it is possible to tailor the magnetic anisotropy, saturation magnetization, and interparticle interactions of the nanoparticles during the synthesis stage. This approach unlocks new possibilities for enhancing the performance of spinel ferrite nanoparticles in specific applications. Particularly, our study shows that the replacement of Co2+ by 48% of Zn2+ ions led to an increase in saturation magnetization of approximately 40% from ∼103 A m2 kg−1 to ∼143 A m2 kg−1, whereas the addition of Ni2+ at a similar percentage led to an ∼30% decrease in saturation magnetization to 68–72 A m2 kg−1. The results of calculations based on the two-sublattice Néel model of magnetization match the experimental findings, demonstrating the model's effectiveness in the strategic design of spinel ferrite nanoparticles with targeted magnetic properties through doping/inversion degree engineering.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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