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Baik, Jeong Min
Nano Energy and Environmental Materials Lab
Research Interests
  • Nanogenerators, antimicrobial material, catalysis, smart sensors

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The effects of implanted nitrogen ions on the magnetic properties of Mn-implanted GaN

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Title
The effects of implanted nitrogen ions on the magnetic properties of Mn-implanted GaN
Author
Baik, Jeong MinLee, JL
Keywords
(Ga,Mn)N;  Ferromagnetic semiconductor;  Ion implantation;  SRPES
Issue Date
2004-12
Publisher
KOREAN INST METALS MATERIALS
Citation
METALS AND MATERIALS INTERNATIONAL, v.10, no.6, pp.555 - 558
Abstract
The effects of implanted N ions on the magnetic properties of Mn-implanted GaN were studied. The ferromagnetic signal increased when N ions were implanted into GaN prior to the implantation of Mn ions and annealed at 900degreesC. Synchrotron radiation photoemission spectroscopy revealed that the Ga-Mn magnetic phases contributing to ferromagnetic properties increased. Mn-N binary phases such as Mn6N2.58 and Mn3N2 decreased and sheet resistivity significantly increased, indicating a reduction of N-vacancies. Consequently, it is suggested that the enhancement of the ferromagnetic properties in (Mn+N)-implanted GaN originated from the decrease of N-vacancies and the increase of Ga-Mn magnetic phases.
URI
https://scholarworks.unist.ac.kr/handle/201301/7405
ISSN
1598-9623
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