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Wang, Yan; Lu, Zhong-Yi; Zhang, X. -G.; Han, X. F.; Zhang, XG , Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA
First-principles theory of quantum well resonance in double barrier magnetic tunnel junctions
Source PublicationPHYSICAL REVIEW LETTERS
KeywordRoom-temperature Magnetoresistance Single Layer
AbstractQuantum well (QW) resonances in Fe(001)/MgO/Fe/MgO/Fe double barrier magnetic tunnel junctions are calculated from first principles. By including the Coulomb blockade energy due to the finite size islands of the middle Fe film, we confirm that the oscillatory differential resistance observed in a recent experiment [T. Nozaki , Phys. Rev. Lett. 96, 027208 (2006)] originates from the QW resonances from the Delta(1) band of the Fe majority-spin channel. The primary source of smearing at low temperatures is shown to be the variation of the Coulomb blockade energy.
2006
ISSN0031-9007
Volume97Issue:8Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5921
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhang, XG , Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA
Recommended Citation
GB/T 7714
Wang, Yan,Lu, Zhong-Yi,Zhang, X. -G.,et al. First-principles theory of quantum well resonance in double barrier magnetic tunnel junctions[J]. PHYSICAL REVIEW LETTERS,2006,97(8):-.
APA Wang, Yan,Lu, Zhong-Yi,Zhang, X. -G.,Han, X. F.,&Zhang, XG , Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.(2006).First-principles theory of quantum well resonance in double barrier magnetic tunnel junctions.PHYSICAL REVIEW LETTERS,97(8),-.
MLA Wang, Yan,et al."First-principles theory of quantum well resonance in double barrier magnetic tunnel junctions".PHYSICAL REVIEW LETTERS 97.8(2006):-.
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