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The morphology and structure of both CdA and rubrene films are characterized by X - ray reflectivity ( XRR ) , X - ray diffraction ( XRD ) , near - edge X - ray absorption fine structure ( NEXAFS ) spectroscopy , and atomic force microscopy ( AFM ) .
 Chemical: CdA; Chemical: rubrene
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: CdA; Chemical: rubrene