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A new method to prepare water based Fe3O4 ferrofluid with high stabilization

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  • Guo, Tongxiao
  • Bian, Xiufang
  • Yang, Chuncheng

Abstract

A new method to prepare water based Fe3O4 ferrofluid with high stabilization has been reported in this paper. Oleic acid/ polyethylene glycol 4000 (PEG 4000)/agar/oleic acid have been used as surfactants and added to the fluid one after another. X-ray diffraction (XRD), scanning electron microscopy (SEM), dynamic light scattering (DLS) method, Fourier transform infrared (FT-IR) spectra and thermogravimetric analysis (TGA) have been used to characterize the structure, component and morphology of magnetic nanoparticles, respectively. We have observed the microstructure of chain-like (or stick-like) structure under applied magnetic field, which composes of several nanoparticles in the width direction and hundreds of nanoparticles in the length direction. Vibrating sample magnetometer (VSM) and Gouy magnetic balance (GMB) have been used to measure the magnetic properties and stability of the ferrofluid. The result shows that the magnetic nanoparticles have high saturation magnetization and the ferrofluid has high stability under magnetic and gravitational field.

Suggested Citation

  • Guo, Tongxiao & Bian, Xiufang & Yang, Chuncheng, 2015. "A new method to prepare water based Fe3O4 ferrofluid with high stabilization," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 438(C), pages 560-567.
    • Handle: RePEc:eee:phsmap:v:438:y:2015:i:c:p:560-567
    DOI: 10.1016/j.physa.2015.06.035
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    Cited by:

    1. Rostamian, Hossein & Lotfollahi, Mohammad Nader, 2020. "Statistical modeling of aspirin solubility in organic solvents by Response Surface Methodology and Artificial Neural Networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 540(C).
    2. Afifah, A.N. & Syahrullail, S & Sidik, NAC, 2016. "Magnetoviscous effect and thermomagnetic convection of magnetic fluid: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 1030-1040.

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