9176
Pb ( m ) Sb ( 2n ) Te ( m + 3n ) nanocrystals behave as metastable homogeneous solid solutions at room temperature and tend to phase separate into the respective binary PbTe + Sb ( 2 ) Te ( 3 ) at 300 degrees C .
 Chemical: Pb ( m ) Sb ( 2n ) Te ( m + 3n ); Chemical: PbTe; Chemical: Sb ( 2 ) Te ( 3 )
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: Pb ( m ) Sb ( 2n ) Te ( m + 3n ); Chemical: PbTe; Chemical: Sb ( 2 ) Te ( 3 )