지원사업
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
- 2020.6
- 수록면
- 117 - 120 (4page)
- DOI
- 10.4283/JMAG.2020.25.2.117
이용수
초록· 키워드
오류제보하기
Crystallographic and magnetic characteristics of thin-film Ni<SUB>0.5</SUB>Co<SUB>0.5</SUB>Fe₂O₄ ferrimagnet prepared by a sol-gel deposition method were investigated by X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), and vibrating sample magnetometry (VSM). The mixed ferrite Ni<SUB>0.5</SUB>Co<SUB>0.5</SUB>Fe₂O₄ specimen was found to be polycrystalline having cubic spinel structure with slightly reduced lattice constant compared to CoFe₂O₄. The XPS data indicate that Co and Ni ions in Ni<SUB>0.5</SUB>Co<SUB>0.5</SUB>Fe₂O₄ have charge valence of +2. The VSM measurements indicate that the Ni<SUB>0.5</SUB>Co<SUB>0.5</SUB>Fe₂O₄ film have saturation magnetization, remanent magnetization, and coercivity of 257 emu/cm³, 115 emu/cm³, and 0.5 kOe, respectively, which are 62 %, 68 %, and 29 % of those of CoFe₂O₄. The reduction of the magnetic parameters of Ni<SUB>0.5</SUB>Co<SUB>0.5</SUB>Fe₂O₄ compared to CoFe₂O₄ is primarily attributable to the smaller magnetic moment of high-spin Ni<SUP>2+</SUP> ion (2 μ<SUB>B</SUB>) than that of Co<SUP>2+</SUP> ion (3 μ<SUB>B</SUB>).
목차
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
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UCI(KEPA) : I410-ECN-0101-2020-428-000848191