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
- 1996.12
- 수록면
- 64 - 68 (5page)
이용수
초록· 키워드
오류제보하기
Compared with the conventional magnetostriction in Ni alloys which are in the order of several tens ppm (Parts Per Million =10^(-6)), RFe₂(R = rare earth element) Laves Phase intermetallic compounds show large saturation magnetostriction in the range of a few thousands ppm. However, the large external magnetic field necessary to obtain saturation magnetostriction has due to large magnetocrystalline anisotropy energy restrained the application of magnetostriction materials in RFe₂ intermetallic compounds. As a result of its solution, the largest published value of effective giant magnetostriction in a low external magnetic field (less than a few hundred Oe) is reported in this paper by means of amorphisation of RFe₂ intermetallic compounds with the addition of boron, as a half metal. For the amorphous (SmFe₂)_(0.97) B_(0.03) alloys, the effective magnetostriction of -545 and -610×10^(-6) is obtained at 400 and 1,000 Oe, respectively. Moreover, the effective magnetostriction of 590 and 630×10^(-6) in the amorphous (TbFe₂)_(0.98) B_(0.02) alloys is also found at 400 and 1,000 Oe, respectively. This result will provide a clue to understanding the effect of half metal on anomalous increase of the effective giant magnetostriction and attract the great attention for magnetostriction applications.
목차
Abstract
1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusions
Acknowledgment
References
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