e-journal

Microwave absorption of electroless Ni–Co–P-coated SiO2 powder

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Abstract.
Ni–Co–P-coated SiO2 particles were prepared using electroless plating method. The morphology, crystal
structure, surface compositions, magnetic and microwave absorption properties of the composite
powder were investigated by scanning electron microscopy, X-ray diffraction analysis, X-ray
photoelectron spectroscopy, vibrating sample magnetometer and vector network analyzer, respectively.
It was found that the silica powder was successfully coated with Ni–Co–P alloy. The ultrafine Ni–Co–P–
SiO2 powder-paraffin wax composite possesses excellent microwave absorption properties. The
maximum microwave loss reaches -48.6 dB at 4.2 GHz with a thickness of 3.10 mm. The intrinsic
reasons for microwave absorption were also investigated.

Keywords: Nanoparticles, XPS, Magnetic properties, Microwave absorption

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Informasi Detail

Judul Seri

Applied Surface Science

No. Panggil

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Penerbit

London : Elsevier B.V.., 2009

Deskripsi Fisik

Applied Surface Science 255 (2009) 6629–6633

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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