8396
At the flat band condition , the Fermi level was extracted and found to reside 3 . 3 eV +/- 0 . 05 eV below the bottom of the SiO ( 2 ) conduction band .
 Chemical: SiO ( 2 )
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: SiO ( 2 )