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The reported effects are also observed in graphene on ruthenium and for neon atoms .
 Chemical: graphene; Chemical: ruthenium; Chemical: neon
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: graphene; Chemical: ruthenium; Chemical: neon