Dislocations with hollow cores actually do exist! In GaN and in SiC such defects have been observed. | ||
The last word to hollow dislocation cores or "micropipes" is not yet out. | ||
Some more informations can be found in a module discussing SiC in the Hyperscript "Semiconductors" | ||
5.2.2 Stress Field of a Straight Dislocation
© H. Föll (Defects - Script)