Analysis of Electron Spin-Spin Interaction in Coupled Quantum Well

Tetsu Ito; Wataru Shichi; Masao Ichida; Hideki Gotoh; Hidehiko Kamada; Hiroaki Ando

doi:10.4028/www.scientific.net/AMR.222.70

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 222Analysis of Electron Spin-Spin Interaction in...

Analysis of Electron Spin-Spin Interaction in Coupled Quantum Well

Abstract:

Electron spin-spin interaction in asymmetric coupled GaAs/AlGaAs quantum well (QW) is investigated through electron spin precession measurements. In the experiment, the precession (Larmor) frequency of electrons localized in thin and thick QWs are measured by means of polarization- and time-resolved photoluminescence measurements under magnetic field. The Larmor frequency observed in thin well was transformed to that of thick well with increasing excitation power density. This dependence can be reproduced by theoretical calculations, which take into account electron spin-spin interactions in GaAs wells.

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Advanced Materials Research (Volume 222)

Pages:

70-73

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.222.70

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Online since:

April 2011

Authors:

Tetsu Ito, Wataru Shichi, Masao Ichida, Hideki Gotoh, Hidehiko Kamada, Hiroaki Ando

Keywords:

Coupled Quantum Well, Electron Spin-Spin Interaction, GaAs/AlGaAs Quantum Well, Larmor Frequency, Spin Precession

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