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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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Enhancement of magnetic properties by nitrogen implantation to Mn-implanted p-type GaN

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Title
Enhancement of magnetic properties by nitrogen implantation to Mn-implanted p-type GaN
Author
Baik, Jeong MinShon, YKang, TWLee, JL
Keywords
MOLECULAR-BEAM EPITAXY; (GA,MN)N; NITRIDE; FILMS
Issue Date
2004-02
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.84, no.7, pp.1120 - 1122
Abstract
N and Mn ions were co-implanted into p-type GaN and subsequently annealed at 700-900degreesC. Compared with Mn-implanted sample, the (Mn+N)-implanted sample revealed a larger ferromagnetic signal. This was attributed to the increase of Ga-Mn magnetic phases. Mn-N compounds, such as Mn6N2.58 and Mn3N2, decreased and the resistivity significantly increased, meaning a reduction of N vacancies. It is suggested that enhancement in ferromagnetic properties in the (Mn+N)-implanted GaN originated from the reduction of N vacancies and the increase of Ga-Mn magnetic phases.
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DOI
10.1063/1.1647282
ISSN
0003-6951
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MSE_Journal Papers
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