A comprehensive overview on the structure and comparison of magnetic properties of nanocrystalline synthesized by a thermal treatment method

Mahmoud Goodarz Naseri, M. K. Halimah, Arash Dehzangi, Ahmad Kamalianfar, Elias B. Saion, Burhanuddin Yeop Majlis

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Abstract This study reports the simple synthesis of MFe2O 4 (where M=Zn, Mn and Co) nanostructures by a thermal treatment method, followed by calcination at various temperatures from 723 to 873 K. Poly(vinyl pyrrolidon) (PVP) was used as a capping agent to stabilize the particles and prevent them from agglomeration. The pyrolytic behaviors of the polymeric precursor were analyzed by use of simultaneous thermo-gravimetry analyses (TGA) and derivative thermo-gravimetry (DTG) analyses. The characterization studies were conducted by X-ray diffraction (XRD) and transmission electron microscopy (TEM). Fourier transform infrared spectroscopy (FT-IR) confirmed the presence of metal oxide bands for all the calcined samples. Magnetic properties were demonstrated by a vibrating sample magnetometer (VSM), which displayed that the calcined samples exhibited different types of magnetic behavior. The present study also substantiated that magnetic properties of ferrite nanoparticles prepared by the thermal treatment method, from viewing microstructures of them, can be explained as the results of the two important factors: cation distribution and impurity phase of α-Fe2O3. These two factors are subcategory of the preparation method which is related to macrostructure of ferrite. Electron paramagnetic resonance (EPR) spectroscopy showed the existence of unpaired electrons ZnFe2O4 and MnFe2O4 nanoparticles while it did not exhibit resonance signal for CoFe 2O4 nanoparticles.

Original languageEnglish
Pages (from-to)315-327
Number of pages13
JournalJournal of Physics and Chemistry of Solids
Volume75
Issue number3
DOIs
Publication statusPublished - Mar 2014

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gravimetry
Magnetic properties
Gravimetric analysis
Heat treatment
Nanoparticles
magnetic properties
nanoparticles
Ferrite
ferrites
Magnetometers
agglomeration
Calcination
roasting
magnetometers
Oxides
Fourier transform infrared spectroscopy
metal oxides
Paramagnetic resonance
Cations
Nanostructures

Keywords

  • A. Nanostructures
  • C. Infrared spectroscopy
  • C. Thermo-gravimetric analysis (TGA)
  • C. X-ray diffraction
  • D. Electron paramagnetic resonance (EPR)
  • Keywords

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Chemistry(all)
  • Materials Science(all)

Cite this

A comprehensive overview on the structure and comparison of magnetic properties of nanocrystalline synthesized by a thermal treatment method. / Naseri, Mahmoud Goodarz; Halimah, M. K.; Dehzangi, Arash; Kamalianfar, Ahmad; Saion, Elias B.; Yeop Majlis, Burhanuddin.

In: Journal of Physics and Chemistry of Solids, Vol. 75, No. 3, 03.2014, p. 315-327.

Research output: Contribution to journalArticle

Naseri, Mahmoud Goodarz ; Halimah, M. K. ; Dehzangi, Arash ; Kamalianfar, Ahmad ; Saion, Elias B. ; Yeop Majlis, Burhanuddin. / A comprehensive overview on the structure and comparison of magnetic properties of nanocrystalline synthesized by a thermal treatment method. In: Journal of Physics and Chemistry of Solids. 2014 ; Vol. 75, No. 3. pp. 315-327.
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