Spin-interference device

被引：325

作者：

Nitta, J ^{[1
]}

Meijer, FE ^{[1
]}

Takayanagi, H ^{[1
]}

机构：

[1] NTT, Basic Res Labs, Atsugi, Kanagawa 2430198, Japan

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 05期

关键词：

D O I：

10.1063/1.124485

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose a spin-interference device which works even without any ferromagnetic electrodes and any external magnetic field. The interference can be expected in the Aharonov-Bohm (AB) ring with a uniform spin-orbit interaction, which causes the phase difference between the spin wave functions traveling in the clockwise and anticlockwise direction. The gate electrode, which covers the whole area of the AB ring, can control the spin-orbit interaction, and therefore, the interference. A large conductance modulation effect can be expected due to the spin interference. (C) 1999 American Institute of Physics. [S0003-6951(99)03031-4].

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页码：695 / 697

页数：3

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