First-Principle Calculations of Multi-Channel Spin-Polarized Transport in Atomic-Size Barrier

被引：0

作者：

Sebastian Ujevic

J. A. Gómez

Ivan A. Larkin

机构：

[1] University of Brasília,International Center of Condensed Matter Physics

[2] Institute of Microelectronics Technology Russian Academy of Science,undefined

来源：

Journal of Superconductivity and Novel Magnetism | 2010年 / 23卷

关键词：

Electronic transport; Multi-channel; S-matrix theory; Hetero-junction; 73.40.-c; 11.55.-m; 72.80.Tm;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A multi-channel tunneling theory through a realistic hetero-junction barrier was developed using a mixed representation and studied within a few modes model. The transfer-matrix technique was employed to calculate spin-polarized transmission and reflection amplitudes between Bloch states in the semi-infinite leads. The transmission coefficients were used in Fisher and Lee’s formula for conductance. The multi-tunneling theory was applied within a real Fe/MgO/Fe hetero-junction barrier.

引用

页码：23 / 26

页数：3

共 12 条

[1] First-Principle Calculations of Multi-Channel Spin-Polarized Transport in Atomic-Size Barrier
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JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2010, 23 (01) : 23 - 26
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