The resulting gel is dried to remove moisture and sintered at 800° C. to {TAIL ~ 1000° C.} in {HEAD ~ a kiln} for 8 16 hours 
The resulting gel is dried to remove moisture and sintered at 800 ° C. to { TAIL ~ 1000 ° C. } in { HEAD ~ a kiln } for 8 16 hours
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH