Figure 5.

Illustration of the back-to-back diode measurement setup and back-to-back Al/Al2O3/SiC diode measurements. (a) Illustration of the back-to-back diode measurement setup where only the reverse current is measured. (b) Back-to-back Al/Al2O3/SiC diode measurements demonstrating the effective modulation of current density by the thickness of Al2O3.

Zheng et al. Nanoscale Research Letters 2013 8:116   doi:10.1186/1556-276X-8-116
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