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We report on the comparative study of magnetotransport properties of large - area vertical few - layer graphene networks with different morphologies , measured in a strong ( up to 10 T ) magnetic field over a wide temperature range .
 Chemical: graphene
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