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      SCIE SCOPUS KCI등재

      Magnetic and Ordering Behavior of Nb - doped FePt Alloy Films = Magnetic and Ordering Behavior of Nb - doped FePt Alloy Films

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      https://www.riss.kr/link?id=A76076584

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      다국어 초록 (Multilingual Abstract)

      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.
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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 th...

      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.

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      목차 (Table of Contents)

      • Abstract
      • 1. Introduction
      • 2. Experimental Procedure
      • 3. Results and Discussion
      • 4. Conclusion
      • Abstract
      • 1. Introduction
      • 2. Experimental Procedure
      • 3. Results and Discussion
      • 4. Conclusion
      • Acknowledgments
      • References
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