Abstract
Colloids of Fe3O4/SiO2 nanoparticles derived by a two-stage technique on the base of tetraetoxisilane soles were studied. Phase composition of the particles was analyzed by X-ray diffraction and Raman spectroscopy. It was found that phase transition of Fe3O4 into α-Fe2O3 occurs at a laser power exceeding a threshold value. The aggregation of the particles to linear structures in a constant magnetic field was studied by atomic force microscopy. The data on the change in resistance of Fe3O4/SiO2 colloids under an applied magnetic field were obtained.
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CITATION STYLE
Gareev, K. G., Kononova, I. E., Levitckii, V. S., Moshnikov, V. A., & Nalimova, S. S. (2014). Influence of constant magnetic field on aggregation processes in magnetite colloids. In Journal of Physics: Conference Series (Vol. 572). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/572/1/012027
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