e-journal

Synthesis of CoxPt1-x alloy nanoparticles of different phase by micellar technique and their properties study

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Abstract.
Among many ferromagnetic materials, CoPt alloy nanoparticles with high coercivity and small grain size
are one of the potential candidates having its application in high-density storage media manufacturing.
CoPt alloy nanoparticles of different compositions have been prepared in TX-100 micellar medium and
capped with sodium oleate to prevent the agglomeration during annealing at high temperature. Their
structural and magnetic properties were investigated before and after heat treatment. The particles with
50:50 compositions of Co and Pt gives L10 phase after annealing at 900 oC for 1 h and show a high coercivity
(4.4 kOe at room temperature) and remanence due to its highly anisotropic L10 structure.

Keywords:
Magnetic nanoparticles
CoPt
Micelles
FCC and L10 phase

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Informasi Detail

Judul Seri

Journal of Colloid and Interface Science

No. Panggil

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Penerbit

London : Elsevier Inc.., 2009

Deskripsi Fisik

Journal of Colloid and Interface Science 335 (2009) 40–43

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

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