Similarly, at a constant growth temperature and V:III ratio, increasing the growth rate alters the surface morphology from a smooth pit free surface to {HEAD ~ a pitted surface} and eventually to {TAIL ~ a polycrystalline morphology} 
Similarly , at a constant growth temperature and V : III ratio , increasing the growth rate alters the surface morphology from a smooth pit free surface to { HEAD ~ a pitted surface } and eventually to { TAIL ~ a polycrystalline morphology }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL