The effects of Ga<SUP>+<SUP> ion irradiation on the magnetic properties of the Co?₃Pt₂?-TiO₂ perpendicular magnetic recording media were investigated. As Ga<SUP>+<SUP> ion dose increased from 1×10¹? ions/㎠ to 30×10¹...
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https://www.riss.kr/link?id=A76272788
2007
Korean
428
KCI등재,ESCI
학술저널
221-225(5쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
The effects of Ga<SUP>+<SUP> ion irradiation on the magnetic properties of the Co?₃Pt₂?-TiO₂ perpendicular magnetic recording media were investigated. As Ga<SUP>+<SUP> ion dose increased from 1×10¹? ions/㎠ to 30×10¹...
The effects of Ga<SUP>+<SUP> ion irradiation on the magnetic properties of the Co?₃Pt₂?-TiO₂ perpendicular magnetic recording media were investigated. As Ga<SUP>+<SUP> ion dose increased from 1×10¹? ions/㎠ to 30×10¹? ions/㎠, the perpendicular magnetic anisotropy was degraded and no longer observed above 20×10¹? ions/㎠ dose. The deterioration of the perpendicular magnetic anisotropy and ferromagnetic properties can be attributed to the concentration profile change due to Ga<SUP>+<SUP> ion implantation. The magnetic islands of 70×70 n㎡ and 100×100 n㎡ size were successfully fabricated with Ga<SUP>+<SUP> ion irradiation.
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