Spin transport of excitons.
basic_science · Level V
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- Record sourced from PubMed, PMID 19780583.
- Also identified by DOI 10.1021/nl9024227.
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Abstract
We report on observation of the spin transport of spatially indirect excitons in GaAs/AlGaAs coupled quantum wells (CQW). Exciton spin transport over substantial distances, up to several micrometers in the present work, is achieved due to orders of magnitude enhancement of the exciton spin relaxation time in CQW with respect to conventional quantum wells.
Medical subject headings
- Arsenicals
- Gallium
- Models, Chemical