{HEAD ~ Phosphorus} in high concentrations will induce {TAIL ~ stress} in the crystal lattice due to the difference in the atomic radius of silicon atoms versus phosphorus atoms 
induce
{ HEAD ~ Phosphorus } in high concentrations will induce { TAIL ~ stress } in the crystal lattice due to the difference in the atomic radius of silicon atoms versus phosphorus atoms
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH