due to two nearby screw dislocations of opposite handedness (at incrasing magnifications).
The overall crystal is approximately 0.5-mm across. Images are taken with
Nomarski Differential Ineterference Contrast microscopy.
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| Heart-shaped growth spirals on the basal plane of
graphite due to two nearby screw dislocations of opposite handedness (at incrasing magnifications). The overall crystal is approximately 0.5-mm across. Images are taken with Nomarski Differential Ineterference Contrast microscopy. |
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