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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.12
- 수록면
- 331 - 335 (5page)
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초록· 키워드
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The ferromagnetic and electronic structure for the Al<SUB>x</SUB>Ga<SUB>1-x</SUB>P and Mn-doped AlGaP₂ was studied by using the self-consistent full-potential linear muffin-tin orbital method. The lattice parameters of un-doped Al<SUB>x</SUB>Ga<SUB>1-x</SUB>P (x= 0.25, 0.5, and 0.75) were optimized. The band-structure and the density of states of Mn-doped AlGaP₂ with or without the vacancy were investigated in detail. The P-3p states at the Fermi level dominate rather than the other states. Thus a strong interaction between the Mn-3d and P-3p states is formed. The ferromagnetic ordering of dopant Mn with high magnetic moment is induced due to the (Mn-3d)-(P-3p)-(Mn-3d) hybridization, which is attributed by the partially filled P-3p bands. The holes are mediated with keeping their 3d-characters, therefore the ferromagnetic state is stabilized by this double-exchange mechanism.
목차
1. Introduction
2. Computational Details
3. Results and Discussion
4. Conclusions
Rerefences
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UCI(KEPA) : I410-ECN-0101-2016-428-002131414