Trapping of two-dimensional electrons in substrate potentials View Full Text


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Article Info

DATE

1992-11

AUTHORS

X. L. Hu, Y. Carmi, A. J. Dahm

ABSTRACT

We report preliminary measurements of high (ripplon-limited) electron mobility on helium films supported by a hydrogen-coated glass substrate. From the smooth dependence of the mobility as a function of helium film thickness we deduce that no polaron transition occurs on films thicker than 500 Å at T>1 K. On poorer quality substrates we observe a rapid drop in the mobility at a substrate-dependent critical film thickness. We interpret these drops as due to localization in variations in the substrate potential. More... »

PAGES

625-628

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00694102

DOI

http://dx.doi.org/10.1007/bf00694102

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1017388010


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