Nano Archive

Synthesis of highly magnetized iron nanoparticles by a solventless thermal decomposition method

Han, Young Chul and Cha, Hyun Gil and Kim, Chang Woo and Kim, Young Hwan and Kang, Young Soo (2007) Synthesis of highly magnetized iron nanoparticles by a solventless thermal decomposition method. JOURNAL OF PHYSICAL CHEMISTRY C, 111 (17). pp. 6275-6280.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp0686285

Abstract

The alpha-Fe nanoparticle was successfully synthesized by a solventless thermal decomposition method. The metal(2+)-oleate(2) complex prepared with metal salts and surfactant in aqueous solution was transformed to metal oxide. The metal oxide nanoparticle synthesized from the metal(2+)-oleate(2) complex was mixed with salt powder as a separating media. The metal oxide mixture was reduced to alpha-Fe nanoparticles by Ar + 4% H-2 mixture gas, and then it was annealed under a high-vacuum system of 1.8 x 10(-5) Torr at 700 degrees C. The NaCl powder that was used instead of a surfactant plays an important role to keep the size and shape of the nanoparticles. The magnetization value of the prepared alpha-Fe nanoparticles is 213 emu/g, and the mean particle size of the alpha-Fe nanoparticles is 35 nm.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Physical Science > Nanomagnetics
Material Science > Nanostructured materials
ID Code:3271
Deposited By:Farnush Anwar
Deposited On:15 Jan 2009 15:12
Last Modified:15 Jan 2009 15:12

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