Description
Since crystal lattice plane spacings are accurately known from x-ray measurements, they provide a good test of microscope stability and a calibration of magnification in the upper range of magnification of the instrument.
Lattice spacing 0.34nm
These graphitised carbon black particles have lattice planes following the contours of the particles. For a good test of the instrument, choose a field of view where the lattice planes run in several different directions.
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