Literature DB >> 25496607

Optimization of Zn(x)Fe(3-x)O₄ hollow spheres for enhanced microwave attenuation.

Zhihong Yang1, Zhengwen Li, Yanhui Yang, Zhichuan J Xu.   

Abstract

We report here the composition optimization of Zn(x)Fe(3-x)O4 hollow nanospheres for enhancing microwave attenuation. Zn(x)Fe(3-x)O4 hollow nanospheres were synthesized through a simple solvothermal process. The maximum magnetization moment of 91.9 emu/g can be obtained at x = 0.6. The composite filled with Zn0.6Fe2.4O4 exhibited the bandwidth of 3.21-8.33 GHz for RL < -10 dB and a maximum relative bandwidth (Wp,max) of 88.6% at optimized thickness t0 = 0.34 cm. The enhancement should be attributed to the enhanced permeability resonance at high frequency. This optimized hollow material is very promising to be used as a mass efficient and broadband microwave attenuation material.

Entities:  

Keywords:  hollow spheres; magnetic materials; microwave attenuation; solvothermal process

Year:  2014        PMID： 25496607     DOI： 10.1021/am5075612

Source DB:  PubMed          Journal:  ACS Appl Mater Interfaces        ISSN： 1944-8244            Impact factor:   9.229


  6 in total

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Journal:  Nanomaterials (Basel)       Date:  2021-04-25       Impact factor: 5.076

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4.  Synthesis of nitrogen-doped graphene wrapped SnO2 hollow spheres as high-performance microwave absorbers.

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Journal:  RSC Adv       Date:  2019-04-05       Impact factor: 3.361

5.  CoxFey@C Composites with Tunable Atomic Ratios for Excellent Electromagnetic Absorption Properties.

Authors:  Hualiang Lv; Guangbin Ji; Haiqian Zhang; Meng Li; Zhongzheng Zuo; Yue Zhao; Baoshan Zhang; Dongming Tang; Youwei Du
Journal:  Sci Rep       Date:  2015-12-11       Impact factor: 4.379

6.  Preparation of porous Fe2O3 nanorods-reduced graphene oxide nanohybrids and their excellent microwave absorption properties.

Authors:  Qi Hu; Xiaosi Qi; Hongbo Cai; Ren Xie; Liu Long; Zhongchen Bai; Yang Jiang; Shuijie Qin; Wei Zhong; Youwei Du
Journal:  Sci Rep       Date:  2017-09-11       Impact factor: 4.379
  6 in total

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