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Preparation and characterization of room-temperature ferromagnetism GaMnN based on ion implantation

  • Jiqing Wang*
  • , Pingping Chen
  • , Zhifeng Li
  • , Xuguang Guo
  • , H. Makino
  • , T. Yao
  • , Hong Chen
  • , Qi Huang
  • , Junming Zhou
  • , Wei Lu
  • *此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

This paper reports the fabrication of GaMnN ferromagnetic semiconductor on GaN substrate by high-dose Mn ion implantation. Both the structural and optical properties for Mn+-implanted GaN material were studied by X-ray diffraction, Raman scattering and photoluminescence. The results reveal that the implanted manganese incorporates on Ga site and GaMnN ternary phase is formed in the substrate. The magnetic behavior has been characterized by superconducting quantum interference device. The material shows room-temperature ferromagnetism. The temperature-dependent magnetization indicates different mechanism for ferromagnetism in Mn+-implanted GaN.

源语言英语
页(从-至)474
页数1
期刊Science in China, Series G: Physics Astronomy
46
5
DOI
出版状态已出版 - 10月 2003
已对外发布

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