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Magnetotransport in C-doped AlGaAs heterostructures
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10.1063/1.1781750
/content/aip/journal/apl/85/12/10.1063/1.1781750
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/12/10.1063/1.1781750
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Magnetoresistance of a -type AlGaAs heterostructure. The minima related to fractional quantum Hall states are marked by vertical arrows. Inset: Blow-up of the low-field regime. A clear minimum of the magnetoresistance around as well as a beating pattern in the SdH oscillations is observed.

Image of FIG. 2.
FIG. 2.

Mobility vs carrier density tuned with a top gate voltage for two different temperatures.

Image of FIG. 3.
FIG. 3.

Ratio of the carrier densities of the two subbands versus total density for a temperature of .

Image of FIG. 4.
FIG. 4.

Experimental magnetoresistance (full line) for low-field magnetic fields and parabolic fit (dashed line).

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/content/aip/journal/apl/85/12/10.1063/1.1781750
2004-09-24
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetotransport in C-doped AlGaAs heterostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/12/10.1063/1.1781750
10.1063/1.1781750
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