Optical and magnetic properties of Zn1-xMnxO grown by plasma-assisted molecular beam epitaxy

Wu-Ching Chou*, An Jye Tzou, Hsuan Shao Chen, Kun Feng Chien, Wen Chung Fan, Chu Shou Yang, Meei Ru Chen, Hui Ling Kao, Syang Ywan Jeng, Luc Huy Hoang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Zn1-xMnxO films (0≤x≤ 0.070) were grown by plasma-assisted molecular beam epitaxy on Si substrates with AlN buffer layers. For low Mn concentration samples, x≤ 0.02 , photoluminescence spectra show strong near band edge emission. Strong phonon and exciton coupling-induced resonant Raman scattering was observed. Paramagnetic, antiferromagnetic, and ferromagnetic phases were observed. Room temperature ferromagnetism for all samples was attributed to the bound magnetic polaron effect.

Original languageEnglish
Article number6832876
JournalIEEE Transactions on Magnetics
Volume50
Issue number6
DOIs
StatePublished - 1 Jun 2014

Keywords

  • Frequency modulation
  • Ions
  • Magnetic hysteresis
  • Magnetic resonance
  • Manganese
  • Phonons
  • Zinc oxide

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    Chou, W-C., Tzou, A. J., Chen, H. S., Chien, K. F., Fan, W. C., Yang, C. S., Chen, M. R., Kao, H. L., Jeng, S. Y., & Hoang, L. H. (2014). Optical and magnetic properties of Zn1-xMnxO grown by plasma-assisted molecular beam epitaxy. IEEE Transactions on Magnetics, 50(6), [6832876]. https://doi.org/10.1109/TMAG.2014.2304674