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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1998.11
- 수록면
- 78 - 81 (4page)
이용수
초록· 키워드
오류제보하기
Large magneto crystalline anisotropy energy and demagnetization energy of rare earth-transition metal (RE-TM) alloys play roles of bottlenecks towards their commercial applications for giant magnetostrictive and blue wavelength magneto-optical recording materials, respectively. To solve the above problems, boron is added into amorphous RE-TM alloys to produce its electron transferring. The boron added amorphous RE-TM alloys show novel magnetic and magneto-optical properties as follows; 1) an amorphous (Sm₃₃Fe_(67))_(97)B₃ alloy obtains the magnetostriction of -550×10^(-6) at 400 Oe compared with saturation magnetostriction of -60×10^(-6) in conventional Ni based alloys, 2) an amorphous (Nd₃₃Fe_(67))_(95)B_5 alloy increases effective magnetic anisotropy to -0.5×10^6 ergs/㎤ from -3.5×10^6 ergs/㎤ without boron, which correspond to the polar Kerr rotation angles of 0.52° and 0.33°, respectively. These results attribute to selective 2p-3d electron orbits exchange coupling (SEC).
목차
Abstract
1. Introduction
2. Experimental Procedures
3. Results and Discussion
4. Conclusions
References
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