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Electron Paramagnetic Resonance Study of Al-incorporated ZnO:Mn Diluted Magnetic Semiconductors

  • Park, Jun Kue (Korea Multi-purpose Accelerator Complex, Korea Atomic Energy Research Institute) ;
  • Lee, K.W. (Department of Physics, Korea University) ;
  • Choi, D.M. (Department of Physics, Korea University) ;
  • Lee, Cheol Eui (Department of Physics, Korea University)
  • Received : 2018.06.07
  • Accepted : 2018.09.10
  • Published : 2018.12.30

Abstract

We have employed electron paramagnetic resonance spectroscopy and magnetization measurements in order to study the effect of Al-incorporation on the magnetic interactions in ZnO:Mn diluted magnetic semiconductors. Al-doping is shown to decrease the antiferromagnetic correlation and to increase the ferromagnetic interaction, which is attributed to the hydrogen-mediated ferromagnetic Mn complexes in our Mn-doped ZnO samples.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea

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