Structural, electrical and magnetic characterization of nickel-doped tin oxide film by a sol-gel method

M. H. Abdi, Noor Baa`Yah Ibrahim, H. Baqiah, S. A. Halim

Research output: Contribution to journalArticle

Abstract

Nickel (Ni) doped tin oxide (Sn<inf>1-x</inf>Ni<inf>x</inf>O<inf>2 x</inf> = 0.00, 0.02, 0.04, 0.06, 0.10, 0.20) thin films were deposited on glass substrates by a sol-gel method using an ethanol solution containing tin and nickel chloride. The structural and optical properties of Ni-doped Sn02 transparent semiconducting thin films were investigated. X-ray diffraction patterns showed that all samples have tetragonal phases. The morphology of the films shows that they have a good surface and are very dense. The grain size was calculated between 4.4 and 5.3 nm by a transmission electron microscope. The electrical measurement showed that the resistivity increases as the Ni concentration increases. The optical properties of the films measured by UV-Vis showed that the films have transparency between 90% and 98%. The extinction coefficient is very small, and the refractive index is saturated at a wavelength > 400 nm. The VSM results showed that all the samples are ferromagnetic, except for the lowest Ni dopant. Moreover, the original ferromagnetism can be explained by the Bound Magneton Polaron (BMP) mechanism.

Original languageEnglish
Pages (from-to)2459-2467
Number of pages9
JournalScientia Iranica
Volume21
Issue number6
Publication statusPublished - 2014

Fingerprint

Tin oxides
Sol-gel process
Oxide films
Nickel
Optical properties
Semiconducting films
Thin films
Ferromagnetism
Transparency
Diffraction patterns
Tin
Structural properties
Refractive index
Ethanol
Electron microscopes
Doping (additives)
X ray diffraction
Glass
Wavelength
Substrates

Keywords

  • Bound magneton polaron
  • Crystal growth
  • Ni-doped SnO>2
  • Room temperature ferromagnetism
  • Sol-Gel

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Structural, electrical and magnetic characterization of nickel-doped tin oxide film by a sol-gel method. / Abdi, M. H.; Ibrahim, Noor Baa`Yah; Baqiah, H.; Halim, S. A.

In: Scientia Iranica, Vol. 21, No. 6, 2014, p. 2459-2467.

Research output: Contribution to journalArticle

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AU - Ibrahim, Noor Baa`Yah

AU - Baqiah, H.

AU - Halim, S. A.

PY - 2014

Y1 - 2014

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