Figure 2.

Typical (a) low- and (b) high-magnification TEM images of as-prepared bismuth nanospheres (sample 1). (c) The histogram of size distribution of the bismuth nanospheres prepared from "a". (d) The SAED pattern of a single bismuth nanosphere.

Wu et al. Nanoscale Research Letters 2011 6:66   doi:10.1186/1556-276X-6-66
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