Figure 1From: Abnormal conductivity behavior in porous lead telluride filmsTypical electron microscopic image of the PbTe anodized sample cross-section. Scanning electron microscopy image of a cross-section of the PbTe porous layer on CaF2/Si(111) substrate fabricated using anodic electrochemical treatment with jа = 2 mA·cm−2 and tа = 10 min (sample tilt is 70°) [6].Back to article page