Abstract
An organic–inorganic hybrid compound, [(CH3)2NH2]2(H3O)[Co(CN)6] (1), was synthesized and characterized by differential scanning calorimetry, variable‐temperature structural analyses, and dielectric measurements. The compound was found to undergo two reversible structural phase transitions at 161 and 259 K as a result of order/disorder transitions of half of the dimethylammonium cation and the anions, respectively, in the crystal lattice. The phase transition at 161 K triggered a typical dielectric transition with dielectric switching between the high and low dielectric states, which makes this compound a typical hybrid responsive dielectric material with thermally switchable dielectric constant.
Published Version
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