Structural and magnetic properties of yttrium iron garnet (YIG) and yttrium aluminum iron garnet (YAIG) nanoferrites prepared by microemulsion method

Majid Niaz Akhtar, Abu Bakar Sulong, Muhammad Azhar Khan, Mukhtar Ahmad, Ghulam Murtaza, M. R. Raza, R. Raza, M. Saleem, M. Kashif

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Yttrium iron garnet (YIG) and yttrium aluminum iron garnet (YAIG) nanoferrite samples were synthesized by microemulsion method. The effect of sintering was examined by heating the samples at 900, 1000, and 1100 °C. The YIG and YAIG samples were then characterized using X-ray diffraction and field-emission scanning electron microscopy. Static and dynamic magnetic properties were measured by evaluating initial permeability, Q factor, and vibrating sample magnetometry properties of YIG and YAIG samples. YIG samples sintered at 1100 °C showed higher initial permeability and Q factor compared with YAIG samples. However, hysteresis loops also showed variations in the saturation magnetization, remanence, and coercivity of YIG and YAIG samples sintered at 900, 1000, and 1100 °C. The observed magnetic parameter such as saturation magnetization, coercivity and initial permeability are strongly affected by increasing temperature. The saturation magnetization and coercivity of YIG and YAIG nanoferrites were found in the range 11.56-19.92 emu/g and 7.30-87.70 Oe respectively. Furthermore, the decreasing trends in the static and magnetic properties of YAIG samples may be due to the introduction of Al ions in the YIG crystal lattice. Thus, YIG and YAIG sintered at 1100 °C can be used for wide-ranging frequency applications.

Original languageEnglish
Pages (from-to)425-431
Number of pages7
JournalJournal of Magnetism and Magnetic Materials
Volume401
DOIs
Publication statusPublished - 1 Mar 2016

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Yttrium
Microemulsions
yttrium-iron garnet
Garnets
yttrium
garnets
Structural properties
Magnetic properties
Iron
magnetic properties
aluminum
Aluminum
iron
coercivity
permeability
saturation
magnetization
Saturation magnetization
Q factors
Coercive force

Keywords

  • FESEM (field emission scanning electron microscopy)
  • Static and dynamic magnetic measurements
  • XRD (X-ray diffraction)
  • Yttrium aluminum iron garnet (YAIG)
  • Yttrium iron garnet (YIG)

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Structural and magnetic properties of yttrium iron garnet (YIG) and yttrium aluminum iron garnet (YAIG) nanoferrites prepared by microemulsion method. / Akhtar, Majid Niaz; Sulong, Abu Bakar; Khan, Muhammad Azhar; Ahmad, Mukhtar; Murtaza, Ghulam; Raza, M. R.; Raza, R.; Saleem, M.; Kashif, M.

In: Journal of Magnetism and Magnetic Materials, Vol. 401, 01.03.2016, p. 425-431.

Research output: Contribution to journalArticle

Akhtar, Majid Niaz ; Sulong, Abu Bakar ; Khan, Muhammad Azhar ; Ahmad, Mukhtar ; Murtaza, Ghulam ; Raza, M. R. ; Raza, R. ; Saleem, M. ; Kashif, M. / Structural and magnetic properties of yttrium iron garnet (YIG) and yttrium aluminum iron garnet (YAIG) nanoferrites prepared by microemulsion method. In: Journal of Magnetism and Magnetic Materials. 2016 ; Vol. 401. pp. 425-431.
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