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题名: Correlations between electronic energy bands spin splitting and magnetic profile symmetry of magnetic superlattice
作者: Xu, HZ
发表日期: 2008
摘要: We have theoretically investigated the energy band structures of two typical magnetic superlattices formed by perpendicular or parallel magnetization ferromagnetic stripes periodically deposited on a two-dimensional electron gas (2DEG), where the magnetic profile in the perpendicular magnetization is of inversion anti-symmetry, but of inversion symmetry in parallel magnetization, respectively. We have shown that the energy bands of perpendicular magnetization display the spin-splitting and transverse wave-vector symmetry, while the energy bands of the parallel magnetization exhibit spin degeneration and transverse wave-vector asymmetry. These distinguishing spin-dependent and transverse wave-vector asymmetry features are essential for future spintronics devices applications. (c) 2008 Elsevier B.V. All rights reserved.
KOS主题词: Spin splitting
刊名: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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Xu, HZ .Correlations between electronic energy bands spin splitting and magnetic profile symmetry of magnetic superlattice ,PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2008 ,40(9): 2959-2964
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