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内蒙古大学 物理科学与技术学院, 内蒙古 呼和浩特 010021
收稿:2009-09-22,
修回:2010-1-27,
网络首发:2010-08-27,
纸质出版:2010-08-27
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杨 明, 宫 箭, 李贺年, 李 硕. Ⅱ - Ⅵ族稀磁半导体多层结构中的自旋极化隧穿[J]. 发光学报, 2010,31(4): 515-520
YANG Ming, GONG Jian, LI He-nian, LI Shuo. Spin-polarized Tunnel in Ⅱ-Ⅵ Group Diluted Magnetic Semiconductors with a Multilayer Structures[J]. 发光学报, 2010,31(4): 515-520
采用转移矩阵法和Airy函数
研究了ZnSe/ZnMnSe/ZnSe/ZnBeSe/ZnSe/ZnBeSe/ZnSe异质结构的自旋极化输运。在外加偏压和磁场对电子透射系数和自旋极化率的影响方面
所得到的结论显现出复杂而有趣的特性。 磁场对自旋向上和向下电子隧穿的影响是不同的:对于自旋向上情况
出现双共振向单共振转换现象。
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