Controllable Momentum Filter Based on a Magnetically Confined Semiconductor Heterostructure With a δ-Doping

被引：37
作者：
Lu, Mao-Wang [1 ]
Chen, Sai-Yan [1 ]
Zhang, Gui-Lian [1 ]
机构：
[1] Guilin Univ Technol, Coll Sci, Guilin 541004, Peoples R China
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2017年 / 64卷 / 04期
基金：
中国国家自然科学基金;
关键词：
delta-doping; magnetically confined semiconductor heterostructure (MCSH); momentum filter; SPIN SPATIAL SPLITTER; ELECTRON-TRANSPORT; GIANT MAGNETORESISTANCE; BARRIER; NANOSTRUCTURE;
D O I：
10.1109/TED.2017.2671850
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The magnetically confined semiconductor heterostructure (MCSH) is often used as the momentum filter due to an essentially 2-D process for the electronic tunneling. Taking a typical MCSH into account, we theoretically investigate how to manipulate such momentum filters by the delta-doping technique. The momentum-filtering efficiency can be tuned because of the d-doping dependence of the electron transmission. The involved MCSH can be employed as a controllable momentum filter.
引用
收藏
页码：1825 / 1829
页数：5
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