Terahertz conductivity of magnetoexcitons and electrons in semiconductor nanostructures
Using terahertz time-domain spectroscopy we investigate how quantum, magnetic and electrostatic confinement alters the photoconductivity of nanostructured semiconductors. In 2.0 THz and 2.9THz GaAs/AlGaAs quantum cascade structures under a magnetic field we observe transitions from the 1s to 2p- or...
Auteurs principaux: | Lloyd-Hughes, J, Faist, J, Beere, H, Ritchie, D, Sirbu, L, Tiginyanu, I, Merchant, S, Johnston, M |
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Format: | Conference item |
Publié: |
2009
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