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Herein , based on the extended X - ray absorption fine structure of monolayer Pt atoms on various single crystal facets , we propose an effective methodology for evaluating the lattice strain of monolayer Pt shells on core nanoparticles .
 Chemical: Pt; Chemical: Pt
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: Pt; Chemical: Pt