Abstract

The magnetic susceptibility and the specific heat of Mn(NH 3 ) 2 ·Ni(CN) 4 ·2C 6 H 6 for powder specimen have been measured from 0.3 K to 20 K. The Neel temperature is found at 0.66 K. The Weiss temperature is obtained as –1.52 K with antiferromagnetic coupling. The relation between susceptibility and specific heat which is known as the Fisher's relation is experimentally verified. The broad maximum of specific heat is observed near 3 K. The origin is not explained as magnetic system through the entropy analysis.

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