ArticleNanoscale advances2021
Time-dependent AC magnetometry and chain formation in magnetite: the influence of particle size, initial temperature and the shortening of the relaxation time by the applied field.
Article in Nanoscale advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Hybrid Magneto-Plasmonic Nanostructures for Enhanced Dual-Mode Hyperthermia.Nanomaterials (Basel, Switzerland) · 2026Article
- Magnetodynamics of short nanoparticle chains.Scientific reports · 2025Article
- Magneto-responsive chain-like arrangements of size-tuned and cobalt-doped ferrites derived from silica-encapsulated precursors.Communications chemistry · 2025Article
- Magnetic Hyperthermia with Iron Oxide Nanoparticles: From Toxicity Challenges to Cancer Applications.Nanomaterials (Basel, Switzerland) · 2025Review
- Comparative Influence of Dendron and Dicarboxylate Coatings on the Hyperthermia Performances of Cubic and Spherical Magnetic Nanoparticles.International journal of molecular sciences · 2025Article
- Evaluating Manganese-Doped Magnetic Nanoflowers for Biocompatibility and In Vitro Magnetic Hyperthermia Efficacy.Pharmaceutics · 2025Article
- Heating Efficiency of Different Magnetotactic Bacterial Species: Influence of Magnetosome Morphology and Chain Arrangement.ACS applied materials & interfaces · 2024Article
- Toward the Separation of Different Heating Mechanisms in Magnetic Particle Hyperthermia.ACS omega · 2023Article
- Article
- Enhanced Magnetic Hyperthermia Performance of Zinc Ferrite Nanoparticles under a Parallel and a Transverse Bias DC Magnetic Field.Nanomaterials (Basel, Switzerland) · 2022Article
- A Fast, Reliable Oil-In-Water Microemulsion Procedure for Silica Coating of Ferromagnetic Zn Ferrite Nanoparticles Capable of Inducing Cancer Cell Death In Vitro.Biomedicines · 2022Article
- Simulating the Self-Assembly and Hysteresis Loops of Ferromagnetic Nanoparticles with Sticking of Ligands.Nanomaterials (Basel, Switzerland) · 2021Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Magnetite nanoparticles (MNPs) with 12, 34 and 53 nm sizes have been measured by AC-magnetometry at 50 kHz and 57 mT maximum applied field. The MNPs form chains under the AC-field, and the dynamics of the formation can be studied by measuring hysteresis cycles at different times. The measurement time has been varied from 5 ms to 10 s and for different initial temperatures of 5, 25 and 50 °C. The chain formation, identified by the increase of susceptibility and remanence with the measurement time, appears only for 34 nm particles. It has been observed that saturation, remanence and susceptibility at low (high) fields increase (decrease) with time. For the other two samples, these magnitudes are independent of time. At low fields, the heating efficiency is higher at 5 °C than at 50 °C, whereas it shows an opposite behaviour at higher fields; the origin of this behaviour is discussed in the article. Additionally, the relaxation times,
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