Journal ArticleDOI
Preparation of Fe3O4 particles from copper/iron ore cinder and their microwave absorption properties
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TLDR
In this paper, magnetic Fe 3 O 4 particles were prepared from copper/iron ore cider by precipitation oxidization method and the yield of Fe was 82.6 at% XRD, TEM, SEM, EDS and microwave network analyzer were used to characterize the particles.About:
This article is published in Chemical Engineering Science.The article was published on 2010-01-01. It has received 42 citations till now. The article focuses on the topics: Copper.read more
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Recent progress of nanomaterials for microwave absorption
Michael Green,Xiaobo Chen +1 more
TL;DR: A comprehensive review on the recent research progress of nanomaterials for microwave absorption, including the basic mechanism of microwave absorption (e.g., dielectric loss, magnetic loss coupling), measurement principle, fundamental analysis, performance evaluation, common interaction pathways: Debye relaxation, Eddy current loss, natural resonance, size and shape factors), and the advances and performance review in microwave absorption using various nanommaterials, such as carbon nanotubes, carbon fibers, graphenes, oxides, sulfides, phosphides, carbides, polymers and metal organic
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Graphene–Fe3O4 nanohybrids: Synthesis and excellent electromagnetic absorption properties
Tieshi Wang,Liu Zhaohong,Ming-Ming Lu,Bo Wen,Qiuyun Ouyang,Yujin Chen,Chunling Zhu,Peng Gao,Chunyan Li,Mao-Sheng Cao,Lihong Qi +10 more
TL;DR: Graphene (G)-Fe3O4 nanohybrids were fabricated by first depositing β-FeOOH crystals with diameter of 3-5nm on the surface of the graphene sheets as mentioned in this paper.
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Microwave absorbing properties of ferrites and their composites: A review
Anas Houbi,Zharmenov A. Aldashevich,Yomen Atassi,Z. Bagasharova Telmanovna,Mirzalieva Saule,Kadyrakunov Kubanych +5 more
TL;DR: In this article, a brief presentation of ferrites and among them are spinel ferrite and hexagonal ferrite is presented, and the main mechanism to absorb the microwaves (e.g. dielectric and magnetic losses) and finally discusses the microwave absorbing characteristics of ferites and their composites in terms of matching frequency, reflection loss values, and absorption bandwidth.
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Electromagnetic interference shielding effectiveness of hybrid multifunctional Fe3O4/carbon nanofiber composite
TL;DR: In this paper, the authors examined the contributing effects of various parameters such as Fe 3 O 4 content, carbonization temperature and thickness on total shielding efficiency (SE total ) of different samples.
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Magnetic properties and microwave absorption properties of carbon fibers coated by Fe3O4 nanoparticles
TL;DR: Fe3O4 nanoparticles were plated on carbon fibers from nitrate and dimethylamine borane solution at 90°C for 1.h as mentioned in this paper, and the structures and morphologies of the composite were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM).
References
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Journal ArticleDOI
On the Dispersion of Resistivity and Dielectric Constant of Some Semiconductors at Audiofrequencies
TL;DR: In this paper, the ac resistivity and the apparent dielectric constant of the material show a dispersion which can be explained satisfactorily with the help of a simple model of the solid: there should be wellconducting grains separated by layers of lower conductivity.
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Size-Controlled Synthesis of Magnetite Nanoparticles
Shouheng Sun,Hao Zeng +1 more
TL;DR: The reported procedure can be used as a general approach to various ferrite nanoparticles and nanoparticle superlattices.
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Application of Ferrite to Electromagnetic Wave Absorber and its Characteristics
Y. Naito,K. Suetake +1 more
TL;DR: In this article, an electromagnetic wave absorber utilizing ferrite or rubber ferrite composed of ferrite powder and rubber is described and the existence of a matching frequency and a matching thickness t/sub m/ has been found.
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Electromagnetic interference shielding effectiveness of carbon black and carbon fibre filled EVA and NR based composites
TL;DR: In this paper, the authors studied the EMI shielding characteristics of natural rubber and ethylene vinyl acetate filled with conductive carbon black (Vulcan XC-72) and short carbon fibre (SCF) in two different frequency ranges 100-2000 MHz and 8-12 GHz (X-band range).
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Magnetic and microwave absorbing properties of Co–Fe thin films plated on hollow ceramic microspheres of low density
TL;DR: In this paper, a two-step electroless plating process was used to identify uniform coating of Co-Fe thin films with about 2μm thickness, and high-frequency magnetic and microwave absorbing properties were determined in the rubber composites containing the metal-coated microspheres.