Also, it provides for improved accuracy in controlling the extend of impurity species concentration and the extent of {HEAD ~ its penetration} into {TAIL ~ the cyrstalline structure} so that resulting diffusion profiles in such structures can be systematically reproduced 
Also , it provides for improved accuracy in controlling the extend of impurity species concentration and the extent of { HEAD ~ its penetration } into { TAIL ~ the cyrstalline structure } so that resulting diffusion profiles in such structures can be systematically reproduced
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 TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH