而不同的石墨烯面之间存在的表面能可以通过在晶界处形成空位或者位错环而得到降低。
The interface energy that exists between the sheets could be minimized by the grain boundaries by the formation of dislocations or pairs of rings.
扫描电子显微镜图像显示这两种晶界原子结构中的位错排列十分相似。
Imaging with scanning transmission electron microscopy showed that the atomic grain-boundary structure had dislocations that had very similar arrangement.
这些缺陷包括：包裹物，色心，开裂，台阶面，位错，小角晶界和位错塞积群。
The defects include cracks, color center, inclusions, step-faceting, low-angle boundaries and dislocation pile-up group.
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