13333
On the other hand , heavily functionalized BLG ( I ( D ) / I ( G ) = 1 . 8 ) still retains its signature dual - gated band gap opening due to electric - field symmetry breaking .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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