Affordable Access

Publisher Website

Ferromagnetic Co-doped ZnO thin films grown using pulsed laser deposition from Zn and Co metallic targets

Authors
Journal
Materials Science and Engineering B
0921-5107
Publisher
Elsevier
Publication Date
Volume
109
Identifiers
DOI: 10.1016/j.mseb.2003.10.039
Keywords
  • Diluted Magnetic Semiconductors
  • Zncoo
  • Thin Films
  • Pulsed Laser Deposition
Disciplines
  • Physics

Abstract

Abstract We report the synthesis of high-quality Co-doped ZnO thin films using the pulsed laser deposition technique on (0 0 0 1)-Al 2O 3 substrates under an oxidizing atmosphere, using Zn and Co metallic targets. The growth of ZnO was optimized in order to obtain the least strained film using the sin 2 Ψ model. Highly crystallized Co:ZnO thin films are obtained by an deposition from alternating Zn and Co metal targets. This procedure results in homogenous incorporation of the Co in the ZnO wurtzite structure, which is confirmed by the linear dependence of the out-of-plane lattice parameter as a function of the Co dopant up to 9%. The Zn 1− x Co x O films exhibit ferromagnetism with a Curie temperature close to room temperature for x=0.08 and at 150 K for x=0.05.

There are no comments yet on this publication. Be the first to share your thoughts.