Empirical Expression for AC Magnetization Harmonics of Magnetic Nanoparticles under High-Frequency Excitation Field for Thermometry.

Zhongzhou Du, Dandan Wang, Yi Sun, Yuki Noguchi, Shi Bai, Takashi Yoshida

Abstract read

In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Impedance Analysis of a Two-Layer Air-Core Coil for AC Magnetometry Applications.Sensors (Basel, Switzerland) · 2025
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5 · Who and what money

Authors and funding

6 authors.

Zhongzhou DuSchool of Computer and Communication Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China.

Dandan WangSchool of Computer and Communication Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China.

Yi SunDepartment of Electrical and Electronic Engineering, Kyushu University, Fukuoka 819-0395, Japan.

Yuki NoguchiDepartment of Electrical and Electronic Engineering, Kyushu University, Fukuoka 819-0395, Japan.

Shi BaiSchool of Information Science and Engineering, Shenyang University of Technology, Shenyang 110870, China.

Takashi YoshidaDepartment of Electrical and Electronic Engineering, Kyushu University, Fukuoka 819-0395, Japan.

Funding

Grant-in-Aid for JSPS Fellows JP18F18760Japan Society for the Promotion of Science JP18K04170National Natural Science Foundation of China 61803346Science and Technology Program of Henan, China 192102310213

6 · The paper itself

Abstract

The Fokker-Planck equation accurately describes AC magnetization dynamics of magnetic nanoparticles (MNPs). However, the model for describing AC magnetization dynamics of MNPs based on Fokker-Planck equation is very complicated and the numerical calculation of Fokker-Planck function is time consuming. In the stable stage of AC magnetization response, there are differences in the harmonic phase and amplitude between the stable magnetization response of MNPs described by Langevin and Fokker-Planck equation. Therefore, we proposed an empirical model for AC magnetization harmonics to compensate the attenuation of harmonics amplitude induced by a high frequency excitation field. Simulation and experimental results show that the proposed model accurately describes the AC

Indexed as

Fokker–Planck equationLangevin functionmagnetic nanoparticlemagnetic nanoparticle thermometerNéel relaxationphase lag

Identifiers

PMID33327427

DOI10.3390/nano10122506

PMCPMC7764835

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.