Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Ferromagnetic Domain Behaviors in Mn doped ZnO Film

  • Soundararajan, Devaraj (Department of Physics, Yeungnam University) ;
  • Santoyo-Salazar, Jaime (Centro de Investigacion y de Estudios Avanzados de Instituto Politecnico Nacional, Departamento de Fisica, Av. IPN) ;
  • Ko, Jang-Myoun (Division of Applied Chemistry and Biotechnology, Hanbat National University) ;
  • Kim, Ki-Hyeon (Department of Physics, Yeungnam University)
  • Received : 2011.08.18
  • Accepted : 2011.09.15
  • Published : 2011.09.30
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Abstract

Mn doped ZnO films were prepared on Si (100) substrates using sol-gel method. The prepared films were annealed at $550^{\circ}C$ for decomposition and oxidation of the precursors. XRD analysis revealed the presence of ZnMnO hexagonal wurtzite phase along with the presence of small quantity of $ZnMn_2O_3$ secondary phase and poor crystalline nature. The 2D, 3D views of magnetic domains and domain profiles were obtained using magnetic force microscopy at room temperature. Rectangular shaped domains with an average size of 4.16 nm were observed. Magnetic moment measurement as a function of magnetic field was measured using superconducting quantum interference device (SQUID) magnetometry at room temperature. The result showed the ferromagnetic hysteresis loop with a curie temperature higher than 300 K.

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References

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