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