Distinct room-temperature dielectric transition in a perchlorate-based organic–inorganic hybrid perovskite,Dalton Transactions

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Distinct room-temperature dielectric transition in a perchlorate-based organic–inorganic hybrid perovskite
Dalton Transactions ( IF 4 ) Pub Date : 2017-11-07 00:00:00 , DOI: 10.1039/c7dt03798h
Yu-Ling Sun _{1,

2,

3,

4} , Chao Shi _{1,

2,

3,

4} , Wen Zhang _{1,

2,

3,

4}

Affiliation

The organic–inorganic hybrid perovskite (H₂hpz)[K(ClO₄)₃] (H₂hpz = diprotonated homopiperazine) exhibits a distinct room-temperature dielectric transition. The dielectric switching at 303 K is associated with an order–disorder transition of the polar guest cation confined in the cage, corresponding to a dynamic change between motional and frozen states.

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