Fig. 9
Selected HRTEM images of samples 1 to 3. The upper ones show the primary particle structures of the soot samples at a magnification of 50 000 × . The lower images show nanostructural details at a 500 000 × magnification of primary particles, the stick illustrating a 2 nm length. These were measured on the thinnest border (below 10 nm) of some grains.
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