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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2005.3
- 수록면
- 28 - 32 (5page)
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The magnetic properties and ordering behavior of Nb-doped FePt alloy films prepared by dc-magnetron sputtering were investigated. It was found that Nb addition retarded the ordering reaction from the disordered face-centered-cubic (fcc) A1 phase to the ordered face-centered-tetragonal (fct) L1_0 phase. The tetragonality (c/α ratio) of the ordered fct L1_0 phase increased with the Nb concentration. Nb addition hampered c-axis contraction during ordering, probably because the larger Nb atoms occupy Pt sites. Consequently, the coercivity and magnetocrystalline anisotropic energy of Nb-doped FePt alloy films are lower than those of un-doped FePt film under equivalent annealing conditions.
목차
Abstract
1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusion
Acknowledgments
References
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