7354
The measurements were enabled through the development of a new reference electrode , composed of yttria stabilised zirconia ( YSZ ) which maintains a stable potential at 1100 K .
 Chemical: yttria; Chemical: zirconia
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: yttria; Chemical: zirconia