Current-induced control of the electron-nuclear spin system in semiconductors on a micrometer scale

被引：1

作者：

Chen, Yuansen ^{[1
,2
]}

Kim, Jungtaek ^{[3
]}

Puls, Joachim ^{[3
]}

Henneberger, Fritz ^{[3
]}

Bacher, Gerd ^{[1
,2
]}

机构：

[1] Univ Duisburg Essen, D-47057 Duisburg, Germany

[2] Univ Duisburg Essen, CENIDE, D-47057 Duisburg, Germany

[3] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2014年 / 251卷 / 09期

关键词：

charged excitons; electrical spin control; microcoils; quantum dots; spin; MAGNETIC-RESONANCE; QUANTUM DOTS; DYNAMICS;

D O I：

10.1002/pssb.201350255

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The ability of using onchip microcoils to control the electron-nuclear spin system in semiconductors is demonstrated. Electrically generated magnetic fields of several tens of mT can be obtained on a micrometer length scale, which are switchable on a sub-ns time scale due to the low complex coil impedance. This allows one to electrically (i) manipulate the nuclear spins by means of nuclear magnetic resonance in n-GaAs and (ii) control the hyperfine flip-flop rate in CdSe/ZnSe quantum dots.

引用

页码：1777 / 1785

页数：9

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