Mechanochemical synthesis of single phase nanocrystalline forsterite powder

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Pure nanocrystalline forsterite (Mg2SiO4) powder was successfully synthesized by mechanochemical route and subsequent annealing. The starting materials were talc (Mg3Si4 O10(OH) 2) and magnesium carbonate (MgCO3) powders. To produce forsterite powder, first talc and magnesium carbonate powders were calcined at 1200°C for 1 h and 700°C for 2 h, respectively. After that the mixture of obtained powders was milled by a planetary ball mill, and then annealed at 1000°C and 1200°C for 1 h. Thermogravimetric (TG) analysis, X-ray diffraction (XRD), and scanning electron microscopy (SEM) techniques were utilized to characterize the initial and prepared powders. The results showed that a single phase nanocrystalline forsterite powder with a crystallite size of 49 nm was obtained after 40 h milling and subsequent annealing at 1000°C for 1 h.

Original languageEnglish (US)
Pages (from-to)343-350
Number of pages8
JournalInternational Journal of Modern Physics B
Issue number3
StatePublished - Jan 30 2010

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics


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