Microstructure and magnetic properties of BaTiO3-(Ni,Zn)Fe 2O4 multiferroics

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The microstructures of composite xBaTiO3-(1-x)(Ni 0.5Zn0.5)Fe2O4 (BT-NZF) multiferroics with various mixing ratios (x = 0.50, 0.60 and 0.70) are investigated by means of electron backscatter diffraction (EBSD) and magnetic force microscopy (MFM). The EBSD measurements reveal a change in the texture of the ferrite and the BaTiO3 grains upon increasing the ferrite content in the sample. The sample with x = 0.70 exhibits the best ferrite texture, where only some directions are present. Furthermore, the resulting grain sizes vary from several μm (x = 0.50) to about 100 nm in the sample with x = 0.70. The MFM images reveal the presence of magnetic domains being extended over several adjacent grains, which according to the EBSD data may comprise different crystallographic orientations. In this way, we can explain the differences in the magnetic contrast obtained.

Original languageEnglish
Pages (from-to)4730-4733
Number of pages4
JournalThin Solid Films
Volume518
Issue number16
DOIs
Publication statusPublished - 2010 Jun 1
Externally publishedYes

Fingerprint

Electron diffraction
Magnetic force microscopy
Ferrite
ferrites
Magnetic properties
magnetic force microscopy
magnetic properties
microstructure
Microstructure
textures
Textures
diffraction
Magnetic domains
electrons
magnetic domains
mixing ratios
grain size
composite materials
Composite materials
Direction compound

Keywords

  • BaTiO
  • EBSD
  • Ferrite
  • Multiferroics
  • Orientation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Microstructure and magnetic properties of BaTiO3-(Ni,Zn)Fe 2O4 multiferroics. / Koblischka, Michael Rudolf; Koblischka-Veneva, Anjela Dimitrova; Wick, M.; Mitoseriu, L.; Hartmann, U.

In: Thin Solid Films, Vol. 518, No. 16, 01.06.2010, p. 4730-4733.

Research output: Contribution to journalArticle

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