11570
Specific - heat measurements demonstrated that a large portion of the magnetic entropy , > 60 % , has been removed above T ( N ) as a result of strong spin correlations within the quasi - one - dimensional Mn ( 3 + ) - spin chains .
 Chemical: Mn ( 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: Mn ( 3 + )