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Effect of thickness on structural, optical and magnetic properties of Co doped ZnO thin film by pulsed laser deposition

A. KAMALIANFAR1,2, S. A. HALIM1,3,* , KASRA.BEHZAD1, MAHMOUD GOODARZ NASERI1, M. NAVASERY1, FASIH UD DIN1, J. A. M. ZAHEDI4, K.P.LIM1, S.K.CHEN1, H.A.A.SIDEK1

Affiliation

  1. Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor , Malaysia.
  2. Department of Physics, Faculty of Science, University of Jahrom, Jahrom, 66171-74137, Iran.
  3. Institute for Mathematical Research, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
  4. Department of Physics, Karaj Branch, Islamic Azad University, Karaj, Iran.

Abstract

Zn0.97Co0.03O thin films were deposited on n-type silicon substrate (111) using pulsed laser deposition (PLD) technique with different thicknesses of 200 േ 20݊݉, 320 േ 20݊݉, and 480 േ 20݊݉. The Zn0.97Co0.03O powders prepared by sol-combustion were formed as pellets. A neodymium-doped yttrium aluminum garnet (Nd:YAG) class 4 laser (λ = 266 nm, 5-8 pulse duration, 2 Hz duration rate) were used for the PLD of the nanostructures. The structure of the prepared thin films was investigated using different techniques such as X-ray diffraction (XRD) and field emission scanning electron microscope (FESEM). The optical properties of prepared thin films were investigated using UV-vis spectrometry. In addition, the magnetic properties of the samples were studied by vibrating sample magnetometer (VSM). The results showed that the properties of the thin films altered by thickness changes..

Keywords

Co-doped ZnO, Thin Film, PLD, Dilute magnetic semiconductor.

Submitted at: Aug. 24, 2012
Accepted at: April 11, 2013

Citation

A. KAMALIANFAR, S. A. HALIM, KASRA.BEHZAD, MAHMOUD GOODARZ NASERI, M. NAVASERY, FASIH UD DIN, J. A. M. ZAHEDI, K.P.LIM, S.K.CHEN, H.A.A.SIDEK, Effect of thickness on structural, optical and magnetic properties of Co doped ZnO thin film by pulsed laser deposition, Journal of Optoelectronics and Advanced Materials Vol. 15, Iss. 3-4, pp. 239-243 (2013)