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Figure 2
(a) A TEM–EDS spectrum revealing the presence of lead and oxygen elements in a nanosheet. (c) Radial profile of lead and oxygen along the dotted line in (b), recorded by energy dispersive spectroscopy (TEM–EDS) in STEM mode on a lead dioxide particle with hexagonal shape. The bright contrast of the HAADF-STEM image (b), sensitive to the high atomic number, indicates a higher concentration of lead in the central zone (PbO) than in its surroundings (PbO2).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 52| Part 2| April 2019| Pages 304-311
https://doi.org/10.1107/S1600576719001079
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