Solvothermal synthesis and magnetic properties of magnetite nanoplatelets

Xian Ming Liu, Jang Kyo Kim

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

Nanostructured magnetite plates were synthesized by a simple solvothermal route where ethylenediamine was used as the solvent and reducing agent. The morphology and structure of the as-prepared platelets were characterized using X-ray diffraction, infrared spectroscopy and transmission electron microscopy. The results showed that the products are magnetite crystals with plate like morphology whose thickness is estimated to be 20 nm. Magnetic measurements at 300 K gave the saturation magnetization and the coercive field of nanostructured magnetite 87.4 emu/g and 178 Oe, respectively, which are higher than those of cubic nanoparticles, due to the higher shape anisotropy of magnetite nanoplatelets.

Original languageBritish English
Pages (from-to)428-430
Number of pages3
JournalMaterials Letters
Volume63
Issue number3-4
DOIs
StatePublished - 15 Feb 2009

Keywords

  • Crystal growth
  • Magnetite
  • Nanostructures
  • Saturation magnetization

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