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Synthesis and Dispersion of Magnetic Nano-Particles by a Surfactant-Mediated Approach (2007)

Hou, P. ; Sun, J. ; Zhou, S.B. ; [et al.]

s.l. ; Stafa-Zurich, Switzerland

Key engineering materials Vol. 330-332 (Feb. 2007), p. 231-234

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ISSN: 1013-9826

Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Magnetic nano-particles of around 20nm synthesized by poly-ethylene glycol (PEG) andsodium oleate mediated approach show well stability without sediment during 6 months. Upontreated through the modification procedure, magnetic nano-particles have a weakly physical bondwith PEG, meanwhile a strong bond with sodium oleate. Naked magnetic nano-particles presentpositive charges on the surface, while turn to be negative when modified with sodium oleate, whichsuggest that the hydrophilic carboxyl on the surface of the nano-particles is outward. Magneticproperty of the nano-particles changes according to the concentrations of reactants and surfactant

Type of Medium: Electronic Resource

URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.330-332.231.pdf

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