A II VI semiconductor ohmic contact electrically couples to {HEAD ~ the device} and includes {TAIL ~ beryllium}  
A II VI semiconductor ohmic contact electrically couples to { HEAD ~ the device } and includes { TAIL ~ beryllium }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL OTH