Pulsed optically detected NMR of single GaAs/AlGaAs quantum wells

被引：21

作者：

Eickhoff, M ^{[1
]}

Suter, D ^{[1
]}

机构：

[1] Univ Dortmund, Fachbereich Phys, D-44221 Dortmund, Germany

来源：

JOURNAL OF MAGNETIC RESONANCE | 2004年 / 166卷 / 01期

关键词：

ODNMR; pulsed excitation; quantum well; GaAs;

D O I：

10.1016/j.jmr.2003.09.009

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

While nuclear magnetic resonance (NMR) is one of the most important experimental tools for the analysis of bulk materials, the low sensitivity of conventional NMR makes it unsuitable for the investigation of small structures. We introduce an experimental scheme that makes NMR spectra of single, nanometer-sized quantum wells possible with excellent sensitivity and selectivity while avoiding the spectral broadening associated with some alternative techniques. The scheme combines optical pumping and pulsed radiofrequency excitation of the nuclei with time-resolved detection of the free induction decay through the polarization of the photoluminescence. (C) 2003 Elsevier Inc. All rights reserved.

引用

页码：69 / 75

页数：7

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