8740
Here we present the realization of high - quality YBCO nanoSQUIDs , patterned by focused ion beam milling .
 Chemical: YBCO
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: YBCO 
Answer:
 Chemical: YBCO