Short-length-scale conductivity enhancement in a superlattice
- 15 May 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 33 (10) , 7329-7331
- https://doi.org/10.1103/physrevb.33.7329
Abstract
We have used far-infrared absorption to probe the optical conductivity of metallic GaAs:Si sheets imbedded in GaAs by molecular-beam epitaxy. An enhancement of the conductivity is observed at short length scales which we attribute to localization and Coulomb-interaction effects. However, the spectra do not appear to be quantitatively described by existing theories for long length scales.Keywords
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