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