Microwave hydrothermal synthesis of nanosize Ta2O5 added Mg-Cu-Zn ferrites

T. Krishnaveni, S. R. Murthy, F. Gao, Q. Lu, S. Komarneni

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Abstract

Tantalum oxide added MgCuZn ferrite powders were synthesized by a co-precipitation method using NaOH in a microwave-hydrothermal (M-H) apparatus. The phase identification of the prepared samples was done by X-ray diffraction and crystal size and morphology were determined by transmission electron microscopy (TEM). Nano-phase ferrites with high surface area were synthesized at 160°C after a treatment time of 1 hour. The M-H synthesized powders were conventionally sintered at a temperature of 900°C/4h. The variations of the sintered density, initial permeability and electrical resistivity as a function of additive concentration at room temperature have been investigated.

Original languageEnglish (US)
Pages (from-to)1471-1474
Number of pages4
JournalJournal of Materials Science
Volume41
Issue number5
DOIs
StatePublished - Mar 1 2006

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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