16833
In contrast , in an optimally doped La1 . 84Sr0 . 16CuO4 film ( Tc = 38 . 5 K ) , we detect no signatures of fluctuating CDWs at any temperature , favouring the competition scenario .
 Chemical: La1 . 84Sr0 . 16CuO4
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: La1 . 84Sr0 . 16CuO4