The precursor reacts under the second conditions to form the desired material, and at least some of the desired material forms {HEAD ~ a layer} on {TAIL ~ the substrate} 
on
The precursor reacts under the second conditions to form the desired material , and at least some of the desired material forms { HEAD ~ a layer } on { TAIL ~ the substrate }
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 REL TAIL TAIL TAIL TAIL TAIL TAIL