The method of growing {HEAD ~ a thin film} 5 or 6 wherein {TAIL ~ excess barium} is added to the composition 
wherein
The method of growing { HEAD ~ a thin film } 5 or 6 wherein { TAIL ~ excess barium } is added to the composition
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH