ArticleScientific reports2020
Colossal heating efficiency via eddy currents in amorphous microwires with nearly zero magnetostriction.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Advantages of Bistable Microwires in Digital Signal Processing.Sensors (Basel, Switzerland) · 2024Article
- Direct observation of magnetic domain walls in glass-coated submicronic amorphous wires.Scientific reports · 2024Article
- Study on TiODisease markers · 2022Article
- Nanoparticle Size Threshold for Magnetic Agglomeration and Associated Hyperthermia Performance.Nanomaterials (Basel, Switzerland) · 2021Article
- Hybrid magnetic nanoparticles as efficient nanoheaters in biomedical applications.Nanoscale advances · 2021Review
- Magnetoimpedance Response and Field Sensitivity in Stress-Annealed Co-Based Microwires for Sensor Applications.Sensors (Basel, Switzerland) · 2020Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
It is well stablished that heating efficiency of magnetic nanoparticles under radiofrequency fields is due to the hysteresis power losses. In the case of microwires (MWs), it is not clear at all since they undergo non-coherent reversal mechanisms that decrease the coercive field and, consequently, the heating efficiency should be much smaller than the nanoparticles. However, colossal heating efficiency has been observed in MWs with values ranging from 1000 to 2800 W/g, depending on length and number of microwires, at field as low as H = 36 Oe at f = 625 kHz. It is inferred that this colossal heating is due to the Joule effect originated by the eddy currents induced by the induction field B = M + χH parallel to longitudinal axis. This effect is observed in MWs with nearly zero magnetostrictive constant as Fe
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