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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1996.6
- 수록면
- 46 - 50 (5page)
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초록· 키워드
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Highly oriented BaFe₁₂O_(19) films were obtained by a KrF excimer laser ablation technique using (110)Al₂O₃, (001)Al₂O₃ and (012)Al₂O₃ substrates, respectively. The degree of alignment of more than 95% were achieved for (100) on (110) Al₂O₃ and (001) on (001)Al₂O₃ planes, and heteroepitaxial films of (114) on (012)Al₂O₃ were possible to be grown with a lasing energy density of 6.67 J/㎠ at an oxygen partial pressure (PO₂) of 900 mTorr. The best magnetic properties were obtained from the as-deposited films at the substrate temperature of 700℃, and post annealing treatment was not needed to enhance the magnetic properties. Experimentally saturated magnetization (4πMs) of 3600~3800 Gauss and coercivities (Hc) of 3050~3080 Oe, which approach 85% of those of Ba-ferrite bulk composed of single domain particles, were obtained in this study.
목차
Abstract
1. Introduction
2. Experiment
3. Results and Discussion
4. Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2009-428-015119009