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

V. Seetha Rama Raju, S. R. Murthy, F. Gao, Q. Lu, Sridhar Komarneni

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Lead oxide added Mg-Cu-Zn ferrite powders were prepared by a co-precipitation method in a microwave-hydrothermal (M-H) system. The synthesized ferrite samples were characterized by powder X-ray diffraction (XRD), Infrared spectroscopy (IR), transmission electron microscopy (TEM) and Differential scanning calorimeter (DSC). Nanophase ferrites (~10-20 nm) with high surface area were synthesized at a low temperature of 160°C after a treatment time of 1 hour. The nano-powder was sintered at 900°C/4h in air atmosphere. The variations of the sintered density, electrical resistivity, initial permeability, and saturation magnetization with additive concentration have been investigated and the obtained results were compared with one prepared by the conventional ceramic method. It is found that the addition of PbO improves sintered density, electrical resistivity and permeability.

Original languageEnglish (US)
Pages (from-to)1475-1479
Number of pages5
JournalJournal of Materials Science
Volume41
Issue number5
DOIs
StatePublished - Mar 1 2006

Fingerprint

Ferrites
Hydrothermal synthesis
Powders
Ferrite
Microwaves
Lead oxide
Saturation magnetization
Coprecipitation
Calorimeters
X ray powder diffraction
Infrared spectroscopy
Transmission electron microscopy
Scanning
Air
Temperature
lead oxide

All Science Journal Classification (ASJC) codes

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

Cite this

Raju, V. Seetha Rama ; Murthy, S. R. ; Gao, F. ; Lu, Q. ; Komarneni, Sridhar. / Microwave hydrothermal synthesis of nanosize PbO added Mg-Cu-Zn ferrites. In: Journal of Materials Science. 2006 ; Vol. 41, No. 5. pp. 1475-1479.
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Microwave hydrothermal synthesis of nanosize PbO added Mg-Cu-Zn ferrites. / Raju, V. Seetha Rama; Murthy, S. R.; Gao, F.; Lu, Q.; Komarneni, Sridhar.

In: Journal of Materials Science, Vol. 41, No. 5, 01.03.2006, p. 1475-1479.

Research output: Contribution to journalArticle

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T1 - Microwave hydrothermal synthesis of nanosize PbO added Mg-Cu-Zn ferrites

AU - Raju, V. Seetha Rama

AU - Murthy, S. R.

AU - Gao, F.

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AU - Komarneni, Sridhar

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AB - Lead oxide added Mg-Cu-Zn ferrite powders were prepared by a co-precipitation method in a microwave-hydrothermal (M-H) system. The synthesized ferrite samples were characterized by powder X-ray diffraction (XRD), Infrared spectroscopy (IR), transmission electron microscopy (TEM) and Differential scanning calorimeter (DSC). Nanophase ferrites (~10-20 nm) with high surface area were synthesized at a low temperature of 160°C after a treatment time of 1 hour. The nano-powder was sintered at 900°C/4h in air atmosphere. The variations of the sintered density, electrical resistivity, initial permeability, and saturation magnetization with additive concentration have been investigated and the obtained results were compared with one prepared by the conventional ceramic method. It is found that the addition of PbO improves sintered density, electrical resistivity and permeability.

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