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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
- 2019.3
- 수록면
- 101 - 106 (6page)
- DOI
- 10.4283/JMAG.2019.24.1.101
이용수
초록· 키워드
오류제보하기
A LiFePO₄ was prepared using the ball milling. The X-ray diffraction patterns of the sample were measured, and the results confirmed that the sample’s structure was orthorhombic with space group Pnma. The particle size and morphology of the sample prepared by the ball mill method confirmed by FE-SEM. The magnetization curves of the sample were measured using a vibrating sample magnetometer at temperatures of 4.2 to 295 K at 1000 Oe. The Néel temperature (TN) and spin-reorientation temperature (TS) were found to be 51.5 and 25 K, respectively. We investigated the magnetic hyperfine interaction using Mössbauer spectrometry at various temperatures between 4.2 and 295 K. At temperatures below TN, the Mössbauer spectra of the sample were exhibited eight absorption lines resulting from the magnetic dipole and electric quadruple interaction. The Fe ions state of sample at all temperatures were found to be ferrous state (Fe2+) ions. Debye temperature (θD) of 433 ± 5 K was obtained for the sample. The permeability and permittivity were obtained using a Network analyzer.
목차
1. Introduction
2. Experimental Details
3. Results and Discussion
4. Conclusion
References
참고문헌 (25)
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