[Fe(sal(2)-trien)][Ni(dmit)(2)]: towards switchable spin crossover molecular conductors

A cooperative spin transition behaviour with a wide hysteresis loop ( 30 K) around 240 K has been observed, for the first time, in a salt based on the redox active [Ni(dmit)(2)](-), anion and the [Fe(sal(2)-trien)](+) spin crossover cation.