{TAIL ~ The semiconductor material} is of a first conductivity type and in {HEAD ~ electrical communication} with one or more of the one or more reference electrodes 
{ TAIL ~ The semiconductor material } is of a first conductivity type and in { HEAD ~ electrical communication } with one or more of the one or more reference electrodes
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH