Chemical synthesis, characterizations and magnetic properties of nanocrystalline Fe{sub 50}Co{sub 50} alloy

Journal Article · Thu Apr 24 00:00:00 EDT 2014 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4872558· OSTI ID:22269431

Dalavi, Shankar B.; Raja, M. Manivel ^[1]

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1. Defence Metallurgical Research Laboratory, Hyderabad-500058 (India)

Nanocrystalline Fe{sub 50}Co{sub 50} alloy has been synthesized successfully by chemical reduction route using superhydride as reducing agent and oleic acid and oleylamine as capping agents. Phase purity, crystallite size and lattice parameters of the synthesized NPs are determined by X-ray powder diffraction method. FeCo alloy crystallizes in body centered cubic (bcc) structure having crystallite size equal to 29 nm and lattice parameters equal to 2.8546 Å. The size and shape morphologies of the material were studied by SEM analysis. SEM micrograph study shows the average particle size to be 60 nm and indicates the appearance of agglomerates of the nano-particles consisting of several crystallites. The room temperature magnetic hysteresis studies indicate ferromagnetic behavior of the materials. The values of saturation magnetization and coercivity were 65 emu/g and 460 Oe, respectively. Magnetic properties of the material were interpreted on the basis of fine particle magnetism.

• OSTI ID: 22269431
• Journal Information: AIP Conference Proceedings, Vol. 1591, Issue 1; Conference: 58. DAE solid state physics symposium 2013, Patiala, Punjab (India), 17-21 Dec 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
ALLOYS
BCC LATTICES
COERCIVE FORCE
CRYSTALS
LATTICE PARAMETERS
MAGNETIC PROPERTIES
MAGNETISM
MAGNETIZATION
NANOSTRUCTURES
OLEIC ACID
PARTICLE SIZE
PARTICLES
REDUCING AGENTS
SCANNING ELECTRON MICROSCOPY
SYNTHESIS
X-RAY DIFFRACTION