lattice fringe
lattice fringe
When an image is formed with two waves of a transmitted wave emitted from a crystal and a diffracted wave from a set of lattice planes of the crystal, an image of bright and dark stripes corresponding to the lattice spacing of the lattice appears. The image is called the lattice fringe.
The position of the lattice fringe moves depending on the focus position of the objective lens. Thus, unlike the crystal structure image, the lattice fringe does not correspond to the positions of the atomic planes, but reflects only the periodicity of the atomic planes.
Fig. The (002) lattice fringe of graphite. Accelerating Voltage: 120 kV, using a thermionic-emission electron gun.
The position of the lattice fringe moves depending on the focus position of the objective lens. Thus, unlike the crystal structure image, the lattice fringe does not correspond to the positions of the atomic planes, but reflects only the periodicity of the atomic planes.
Fig. The (002) lattice fringe of graphite. Accelerating Voltage: 120 kV, using a thermionic-emission electron gun.
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