Synthesis and magnetic property of submicron Bi2Fe4O9

Jian Tao Han, Yun Hui Huang, Rui Jie Jia, Guang Cun Shan, Rui Qian Guo, Wei Huang

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47 Scopus citations

Abstract

Uniform submicron Bi2Fe4O9 samples were successfully prepared at low temperature via a facile, one-step hydrothermal synthetic route. Fe(NO3)3 and Bi(NO3)3 were used as iron and bismuth sources; NaOH was used as pH adjustor and mineralizer. The morphologies of the products can be readily controlled by reaction conditions, such as NaOH concentration in the precursor solution and reaction temperature. The as-prepared samples were characterized with scanning electron microscopy, transmission electron microscopy, selected area electron diffraction, and X-ray diffraction. Magnetic measurements indicated a spin antiferromagnetic ordering at low temperature and a Néel magnetic transition at 260 K.

Original languageEnglish
Pages (from-to)469-473
Number of pages5
JournalJournal of Crystal Growth
Volume294
Issue number2
DOIs
StatePublished - 4 Sep 2006
Externally publishedYes

Keywords

  • A2. Hydrothermal crystal growth
  • B1. Bismuth compounds
  • B1. Oxides
  • B2. Magnetic materials

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