Direct synthesis of partially ordered tetragonally structured FePt nanoparticles by polyol method for biomedical application

Authors

  • A. K. Tyagi Chemistry Division, Bhabha Atomic Research Centre, Mumbai, India-400085.
  • C. Sudakar Department of Physics, Indian Institute of Technology, Chennai, India- 600036.
  • F. Syed Chemistry Division, Bhabha Atomic Research Centre, Mumbai, India-400085.
  • J. Majeed Chemistry Division, Bhabha Atomic Research Centre, Mumbai, India-400085.
  • M. S. R. Rao Department of Physics, Indian Institute of Technology, Chennai, India- 600036.
  • O. D. Jayakumar Chemistry Division, Bhabha Atomic Research Centre, Mumbai, India-400085.
  • P. S. V. Mocherla Department of Physics, Indian Institute of Technology, Chennai, India- 600036.
Abstract:

We report the direct soft chemical synthesis and characterization of a family of face centered cubic (fcc) and partially ordered face centered tetragonal (fct) FePt nanoparticles (NPs) suitable for biomedical applications. Both fcc and partially ordered fct-FePt NPs are synthesized by employing a simple polyol method. By using polyvinyl pyrolidone (PVP) as a stabilizer in various ratios during synthesis, fcc-FePt NPs have been converted into partially ordered fct-FePt NPs at low temperature (300˚C) . The advantages of this process are its simplicity, the short reaction time, easy preparation and dispersibility of the NPs in aqueous media.

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Journal title

volume 2  issue Issue 1

pages  61- 65

publication date 2011-08-01

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