Effects of Structural Transformations in Magnetic Emulsions

Yu. I. Dikanskii, O. A. Nechaeva, A. R. Zakinyan, and N. Yu. Konstantinova

Stavropol State University, ul. Pushkina 1, Stavropol, 355009 Russia

Received March 11, 2007

Abstract—Structural transformations and relevant changes in the magnetic and optical properties of magneto-
sensitive emulsions based on magnetic fluids are experimentally studied. Peculiarities of the changes in the
magnetic susceptibility of emulsions associated with the deformation of their microdroplets and the effect of
phase inversion (the transformation of dispersions of magnetic droplets in nonmagnetic media into dispersions
of nonmagnetic droplets in magnetic fluids) are established. Optical effects occurring in magnetic emulsions
under the combined action of a shear flow and a magnetic field are studied. It is concluded that optically active
composition media may be developed on the basis of magnetic fluids.

DOI: 10.1134/S1061933X07060038

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