20766
CFO forms segregated square , stripe , and triangular nanopillars embedded in a coherent BFO matrix on ( 001 ) - , ( 110 ) - , and ( 111 ) - oriented STO substrates , respectively .
 Chemical: CFO; Chemical: BFO; Chemical: STO
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: CFO; Chemical: BFO; Chemical: STO