The present invention includes the discovery that {TAIL ~ BeTe} is chemically active in air and tends to react with oxygen to form {HEAD ~ an amorphous BeO layer} 
The present invention includes the discovery that { TAIL ~ BeTe } is chemically active in air and tends to react with oxygen to form { HEAD ~ an amorphous BeO layer }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD