Figure 2.

Calculated 2DEG electron densityn2Dunder different gate biases. They are for samples with drain-to-source distances of 60 (a), 20 (b), and 15 and 9 μm (c).

Lv et al. Nanoscale Research Letters 2012 7:434   doi:10.1186/1556-276X-7-434
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