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커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 17 - 23 (7page)
- DOI
- 10.4283/JMAG.2019.24.1.017
이용수
초록· 키워드
오류제보하기
A temperature-dependent micromagnetic study has been conducted to examine the spin dynamics of the perpendicularly magnetized nanodot in a thermally induced magnetic switching (TIMS) scheme. The magnetic parameters used in this study represent the properties of BaFe. The impact of writing-temperatures below the Curie point on the magnetization reversal characteristic of nanodot with three damping levels, which related to the minimum writing-field as well as the zero-field-switching probability, were discussed systematically. The spins configuration of the nanodot was also presented to visualize the modes of the magnetization switching. The simulation reveals that the writing-field decreases concerning with the writing-temperature and reaches its lowest value at the temperature of 0.4 % below its Curie point. During the heating phase, the mechanism of demagnetization is coupled with the writing-temperature. Meanwhile, the magnetic damping takes over the role in the magnetic switching mechanism during the freezing.
목차
1. Introduction
2. Numerical Method
3. Result and Discussion
4. Conclusion
References
참고문헌 (29)
참고문헌 신청
Shun-ichi Iwasaki / 2012 / Perpendicular magnetic recording—Its development and realization / Journal of Magnetism and Magnetic Materials 324(3):244~247
S. N. Piramanayagam / 2010 APMRC
U. Kilic / 2012 / Magnetic switching driven by nanosecond scale heat and magnetic field pulses: An application of macrospin Landau-Lifshitz-Bloch model / Applied Physics Letters 101(25):252407
Piriya Taptimthong / 2016 / Flexible Magnetic Reading/Writing System: Heat-assisted Magnetic Recording / Procedia Technology 26:72~78
O. Ozatay / 2009 / Probing activation energy barrier distribution for reversal of strongly exchange-coupled magnetic multilayer thin films / Applied Physics Letters 95(17):172502
S. N. Piramanayagam / 2010 APMRC
U. Kilic / 2012 / Magnetic switching driven by nanosecond scale heat and magnetic field pulses: An application of macrospin Landau-Lifshitz-Bloch model / Applied Physics Letters 101(25):252407
Piriya Taptimthong / 2016 / Flexible Magnetic Reading/Writing System: Heat-assisted Magnetic Recording / Procedia Technology 26:72~78
O. Ozatay / 2009 / Probing activation energy barrier distribution for reversal of strongly exchange-coupled magnetic multilayer thin films / Applied Physics Letters 95(17):172502
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