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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.9
- 수록면
- 205 - 209 (5page)
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초록· 키워드
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MnBi<SUB>1-x</SUB>Ti<SUB>x</SUB> (x = 0, 0.4, 0.7, 1) alloys were prepared by arc-melting, followed by heat treatment. X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) were used to measure and investigate the phase structure and magnetic properties. The temperature dependent magnetization curves indicate that the phase transitions between LTP and HTP MnBi occur with heating or cooling in MnBi<SUB>1-x</SUB>Ti<SUB>x</SUB> (x ≤ 0.7) samples. However, MnTi samples are in Mn₂Ti single-phase, with very low magnetic properties. Furthermore, the coercivity exhibits a positive temperature coefficient. The results show that the optimal content of Ti for the coercivity of MnBi<SUB>1-x</SUB>Ti<SUB>x</SUB> alloy is x = 0.4. For MnBi sample, the coercivity reaches a maximum value of 1.13 T at 550 K. However, the remanence and energy product show apparent decrease with the addition of Ti in MnBi<SUB>1-x</SUB>Ti<SUB>x</SUB> alloys.
목차
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusion
References
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