Chiral structure induces spatial spiral arrangement of Fe3O4 nanoparticles to optimize electromagnetic wave dissipation-Reference-Cited by-同舟云学术

Chiral structure induces spatial spiral arrangement of Fe3O4 nanoparticles to optimize electromagnetic wave dissipation

Published:2024-04-15 Issue:16 Volume:124 Page:
ISSN:0003-6951
Container-title:Applied Physics Letters
language:en
Short-container-title:

Author:

Zhao Yongpeng¹^ORCID,Wang Nan¹^ORCID,Wang Huaifeng¹^ORCID,Yuan Shenglin¹,Liu Mengmeng¹,Huang Hui¹,Zhao Yang²^ORCID,Wang Yuchao¹,Wu Zhijun¹,Guo Xin³^ORCID,Xu Lijia¹

Affiliation:

1. College of Mechanical and Electrical Engineering, Sichuan Agricultural University 1 , Ya'an 625014, China

2. College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University 2 , Ya'an 625014, China

3. School of Information and Communication Engineering, North University of China 3 , Taiyuan, Shanxi 030051, China

Abstract

The spatial anisotropic arrangement of magnetic particles is expected to increase the magnetic resonance frequency of magnetic particles and optimize the magnetic loss. Herein, helical carbon nanocoils were used as a chiral template to induce the spatial spiral distribution of Fe3O4 particles. Meanwhile, a linear control group was constructed with carbon nanofibers as a template. The three-dimensional spiral structure promotes the confined growth and uniform distribution of Fe3O4 particles. Due to the enhanced magnetic property, chiral samples exhibited superior impedance matching compared to linear samples. Experimental tests and theoretical simulation confirm that the spatial anisotropic distribution helps to increase magnetic loss and optimize impedance matching. This work illustrates the important role of chiral structure in improving the magnetic anisotropy of magnetic nanoparticles and provides an effective strategy for optimizing electromagnetic wave dissipation.

Funder

Natural Science Foundation of Sichuan Province

Publisher

AIP Publishing

Link

https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/5.0200510/19881657/161901_1_5.0200510.pdf

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