14508
X - ray absorption spectroscopy and energy storage of Ni - doped cobalt nitride , ( Ni ( 0 . 33 ) Co ( 0 . 67 ) ) N , prepared by a simple synthesis route .
 Chemical: Ni; Chemical: cobalt nitride; Chemical: ( Ni ( 0 . 33 ) Co ( 0 . 67 ) ) N
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: Ni; Chemical: cobalt nitride; Chemical: ( Ni ( 0 . 33 ) Co ( 0 . 67 ) ) N