23165
Tensile Lattice Strain Accelerates Oxygen Surface Exchange and Diffusion in La1 - xSrxCoO3 - delta Thin Films .
 Chemical: Oxygen
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: Oxygen