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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.12
- 수록면
- 375 - 379 (5page)
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초록· 키워드
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The electronic and the magnetic properties of (001) surface of KCaN2 half-metallic compound with full-Heusler structure are studied with the use of a full-potential linearized augmented plane wave method. Two possible terminations of the surface are considered and only the one with N atoms in the topmost layer is found to retain the half-metallic properties of the bulk. The magnetic properties of N-terminated surface are enhanced compared with the properties of the bulk. The calculated magnetic moments on the N atoms in the KCaN₂ are 1.26 μB in the bulk and 1.90 μ<SUB>B</SUB> at the surface. The subsurface metal atoms are also slightly polarized. In the surface terminated with metal atoms, not only the half-metallicity is destroyed, but also the magnetic properties of the system are weakened.
목차
1. Introduction
2. Computational Method
3. Results and Discussion
4. Conclusions
References
참고문헌 (15)
참고문헌 신청
1. [학술지(정기간행물)] - R. A. de Groot / 1983 / / Phys. Rev. Lett 50 : 2024 ~
2. [학술지(정기간행물)] - I. Galanakis / 2002 / / Phys. Rev. B 66 : 174429 ~
3. [학술지(정기간행물)] - S. Ishida / 1982 / / J. Phys. F : Met. Phys 12 : 1111 ~
4. [학술지(정기간행물)] - T. Block / 2004 / / Phys. Rev. B 70 : 205114 ~
5. [학술지(정기간행물)] - X. Q. Chen / 2006 / / J. Appl. Phys 100 : 113901 ~
2. [학술지(정기간행물)] - I. Galanakis / 2002 / / Phys. Rev. B 66 : 174429 ~
3. [학술지(정기간행물)] - S. Ishida / 1982 / / J. Phys. F : Met. Phys 12 : 1111 ~
4. [학술지(정기간행물)] - T. Block / 2004 / / Phys. Rev. B 70 : 205114 ~
5. [학술지(정기간행물)] - X. Q. Chen / 2006 / / J. Appl. Phys 100 : 113901 ~
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UCI(KEPA) : I410-ECN-0101-2014-420-003419506