Figure 3.

Nyquist plots showing the high-quality fitting (solid line) for substantially different HF and water concentrations. Pores were etched into 20 Ωcm p-Si {100) at j = 10 mAcm2. a) DMF 5%(5.4%) and b) DMF 10%(11%).

Ossei-Wusu et al. Nanoscale Research Letters 2012 7:320   doi:10.1186/1556-276X-7-320
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