Structure of the magnetite-oleic acid-decalin magnetic fluid from small-angle neutron scattering data

A. V. Nagornyi, V. I. Petrenko, L. A. Bulavin, M. V. Avdeev, L. Almásy, L. Rosta, V. L. Aksenov

Research output: Article

9 Citations (Scopus)

Abstract

Structural parameters of the magnetite-oleic acid-decalin magnetic fluid at various excesses of oleic acid (up to 25 vol %) have been determined using small-angle neutron scattering. Based on the comparison of the behavior of oleic acid in the magnetic fluid and in the pure solvent (decalin), it has been concluded that the interaction between the molecules of free (unadsorbed) surfactant changes in the presence of magnetic nanoparticles. However, the system remains stable and does not form aggregates of magnetic particles or free oleic acid. These results are compared with the previously presented data for similar benzene-based magnetic fluids.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalPhysics of the Solid State
Volume56
Issue number1
DOIs
Publication statusPublished - febr. 12 2014

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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