Fig. 3From: Nanostructured Bi2Te3 Prepared by a Straightforward Arc-Melting MethodSEM images of as-grown Bi2Te3, exhibiting nanostructuration, consisting of piles of nanometric platelets (perpendicular to [0 0 1] direction). a ×7000, b ×25,000, c ×50,000, and d ×80,000 magnification, showing typical platelet thickness below 0.1 μmBack to article page