Influence of a One-Dimensional Superlattice on a Two-Dimensional Electron Gas
- 28 March 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 38 (13), 722-725
- https://doi.org/10.1103/PhysRevLett.38.722
Abstract
We report unusual structure in the dc conductivity below 4.2 K as well as nonperiodic oscillations in the magnetoconductance of a two-dimensional electron gas in Si at low magnetic fields. A model of a superlattice with a gap which varies with carrier density is proposed to interpret the results. The superlattice appears to be of a somewhat general nature although the cause is not yet known.Keywords
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