Hydrothermal synthesis and characterization of single-crystalline Fe3O4 nanowires with high aspect ratio and uniformity

Kai He, Cheng Yan Xu, Liang Zhen*, Wen Zhu Shao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

Abstract

Uniform, ultra-thin, single-crystalline Fe3O4 nanowires with narrow diameter distribution centered at 15 nm and length up to several microns, were synthesized by a simple hydrothermal route with the assistance of polyethylene glycol (PEG) 400. The morphologies and structure of the obtained nanowires were examined by means of X-ray diffraction (XRD), Mössbauer spectrum, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM). The effect of PEG content and molecular weight on the yield and morphology of Fe3O4 nanowires was investigated. Saturation magnetization of Fe3O4 nanowires was determined to be 23.0 emu/g, which is distinctly lower than that of Fe3O4 nanoparticles.

Original languageEnglish (US)
Pages (from-to)3159-3162
Number of pages4
JournalMaterials Letters
Volume61
Issue number14-15
DOIs
StatePublished - Jun 1 2007

Keywords

  • FeO nanowires
  • Hydrothermal synthesis
  • Magnetic properties
  • PEG

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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