It does, however, change when the mobile ions are neutralized by {HEAD ~ electrons} injected from {TAIL ~ the semiconductor} 
injected from
It does , however , change when the mobile ions are neutralized by { HEAD ~ electrons } injected from { TAIL ~ the semiconductor }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL