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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.6
- 수록면
- 75 - 79 (5page)
이용수
초록· 키워드
오류제보하기
Nickel (Ni) and ferrite (Fe₃O₄, NiFe₂O₄) nanoparticles were synthesized by LGC using both wire feeding (WF) and micron powder feeding (MPF) systems. Phase evolution and magnetic properties were then investigated. The Ni nanopowder included magnetic-ordered phases. The LGC synthesis yielded spherical particles with large coercivity while the abnormal initial magnetization curve for Ni indicated a non-collinear magnetic structure between the core and surface layer of the particles. Since the XRD pattern cannot actually distinguish between magnetite (Fe₃O₄) and maghemite (γ-Fe₂O₃) as they have a spinel type structure, the phase of the iron oxide in the samples was unveiled by Mossbauer spectroscopy. The synthesized Ni-ferrite consisted of single domain particles, including an unusual ionic state. The synthesized nanopowder bore an active surface due to the defects that affected abnormal magnetic properties.
목차
1. Introduction
2. Experimental Technique
3. Results and Discussion
4. Conclusions
Acknowledgment
References
참고문헌 (16)
참고문헌 신청
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2. [학술지(정기간행물)] - J. Fang / 2003 / / J. Appl. Phys. 93 : 7483 ~
3. [학술지(정기간행물)] - Y. Kinemuchi / 2002 / / Thin Solid Film 407 : 109 ~
4. [학술지(정기간행물)] - K. V. P. M. Shafi / 1997 / / J. Phys. Chem. 101 : 6409 ~
5. [학술지(정기간행물)] - Y. Shi / 1999 / / J. Magn. Magm. Mater. 205 : 249 ~
2. [학술지(정기간행물)] - J. Fang / 2003 / / J. Appl. Phys. 93 : 7483 ~
3. [학술지(정기간행물)] - Y. Kinemuchi / 2002 / / Thin Solid Film 407 : 109 ~
4. [학술지(정기간행물)] - K. V. P. M. Shafi / 1997 / / J. Phys. Chem. 101 : 6409 ~
5. [학술지(정기간행물)] - Y. Shi / 1999 / / J. Magn. Magm. Mater. 205 : 249 ~
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UCI(KEPA) : I410-ECN-0101-2009-428-018470207