 stopping the depositing of Ga when {HEAD ~ sufficient atoms} of {TAIL ~ Ga} have been deposited to form the desired Ga monolayer 
of
stopping the depositing of Ga when { HEAD ~ sufficient atoms } of { TAIL ~ Ga } have been deposited to form the desired Ga monolayer
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH