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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 144 - 148 (5page)
이용수
이 논문의 연구 히스토리 (3)
2008
Magnetism and Magnetocrystalline Anisotropy in Tetragonally Distorted γ-Fe (001) Surface
Won Seok Yun
,
Gi-Beom Cha
,
Soon Cheol Hong
한국자기학회 학술연구발표회 논문개요집
2008.12
학술대회자료
Magnetism and Magnetocrystalline Anisotropy in Tetragonally Distorted γ-Fe (001) Surface
Won Seok Yun
,
Gi-Beom Cha
,
Soon Cheol Hong
한국자기학회 학술연구발표회 논문개요집
2008.12
학술대회자료
Magnetism and Magnetocrystalline Anisotropy at fcc Fe (001) Surface
Won Seok Yun
,
Gi-Beom Cha
,
Soon Cheol Hong
Journal of Magnetics
2008.12
학술저널
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초록· 키워드
오류제보하기
The size and surface effects on the magnetism of a fcc Fe (001) surface was investigated by performing firstprinciples calculations on 3, 5, 7, and 9 monolayers fcc Fe (001) single slabs with two different two-dimensional lattice constants, a = 3.44 A (System Ⅰ) and 3.65 A (System Ⅱ), using the all-electron full-potential linearized augmented plane wave method within a generalized gradient approximation. The surface layers were coupled ferromagnetically to the subsurface layer in both systems. However, the magnetism of the inner layers was quite different from each other. While all the inner layers of System Ⅱ were ferromagnetically coupled in the
same way as the surface layer, the inner layers of System I showed a peculiar magnetism, bilayer antiferromagnetism. The calculated spin magnetic moments per Fe atom were approximately 2.7 and 2.9 μ<SUB>B</SUB> at the surface for Systems Ⅰ and Ⅱ, respectively, due to the almost occupied Fe d-state being in the majority spin state and band narrowing. The spin orientations of System I were out-of-plane regardless of its thickness, whereas the orientation of System Ⅱ changed from out-of-plane to in-plane with increasing thickness.
same way as the surface layer, the inner layers of System I showed a peculiar magnetism, bilayer antiferromagnetism. The calculated spin magnetic moments per Fe atom were approximately 2.7 and 2.9 μ<SUB>B</SUB> at the surface for Systems Ⅰ and Ⅱ, respectively, due to the almost occupied Fe d-state being in the majority spin state and band narrowing. The spin orientations of System I were out-of-plane regardless of its thickness, whereas the orientation of System Ⅱ changed from out-of-plane to in-plane with increasing thickness.
목차
1. Introduction
2. Numerical Method
3. Results and Discussions
4. Summary
Acknowledgement
References
참고문헌 (25)
참고문헌 신청
1. [학술지(정기간행물)] - W. Kim / 2004 / / Phys. Rev. B 70 : 174453 ~
2. [학술지(정기간행물)] - 홍순철 / 2008 / Magnetism of the MnPt3 (001) Surface: First-Principles Study / Journal of the Korean Physical Society 53 (3) : 1525 ~ 1528
3. [학술지(정기간행물)] - W. Kim / 2002 / / Phys. Rev. B 65 : 205407 ~
4. [학술지(정기간행물)] - S.C. Hong / 2007 / / Phys. Rev. B 75 : 172402 ~
5. [학술지(정기간행물)] - V.L. Moruzzi / 1989 / / Phys. Rev. B 39 : 6957 ~
2. [학술지(정기간행물)] - 홍순철 / 2008 / Magnetism of the MnPt3 (001) Surface: First-Principles Study / Journal of the Korean Physical Society 53 (3) : 1525 ~ 1528
3. [학술지(정기간행물)] - W. Kim / 2002 / / Phys. Rev. B 65 : 205407 ~
4. [학술지(정기간행물)] - S.C. Hong / 2007 / / Phys. Rev. B 75 : 172402 ~
5. [학술지(정기간행물)] - V.L. Moruzzi / 1989 / / Phys. Rev. B 39 : 6957 ~
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