Understanding Ferroelectricity in the Pb-Free Perovskite-Like Metal–Organic Framework [(CH3)2NH2]Zn(HCOO)3: Dielectric, 2D NMR, and Theoretical Studies
Dimethylammonium zinc formate ([(CH3) 2NH2] Zn (HCOO) 3 or DMZnF) is a model system
for the study of hybrid perovskite-like dielectrics. It undergoes a phase transition from the
paraelectric to ferroelectric phase at∼ 166 K, as observed via NMR spectra. The mechanism
of this phase transition has been shown to have contributions from ordering of the hydrogen
bonds between [(CH3) 2NH2]+(DMA+) and the formate groups as well as buckling of the
metal-formate framework, but the transition dynamics and atomistic mechanism are not fully …
for the study of hybrid perovskite-like dielectrics. It undergoes a phase transition from the
paraelectric to ferroelectric phase at∼ 166 K, as observed via NMR spectra. The mechanism
of this phase transition has been shown to have contributions from ordering of the hydrogen
bonds between [(CH3) 2NH2]+(DMA+) and the formate groups as well as buckling of the
metal-formate framework, but the transition dynamics and atomistic mechanism are not fully …
[引用][C] Understanding Ferroelectricity in the Pb-Free Perovskite-Like Metal–Organic Framework [(CH3) 2NH2] Zn (HCOO) 3: Dielectric, 2D NMR, and Theoretical …
A Nandita, KJ Jung, O Maylis, B Sylvain, L Minseong… - 2017
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