Ferroelectric Switching and Phase Transition in Composites from Ferroelectric Metal-Organic Framework of [ND4][Zn(DCOO)3] and Silicon Dioxides

A composite from a ferroelectric metal-organic framework of [ND 4 ][Zn(DCOO) 3 ] and nano-dispersed silicon dioxides nanoparticles (nSiO 2 ) has been synthesized. The study investigates the influence of nSiO 2 on ferroelectric switching and phase transition properties in [ND 4 ][Zn(DCOO) 3 ]. It was...

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Bibliographic Details
Published in:Integrated ferroelectrics 2022-05, Vol.225 (1), p.351-359
Main Authors: Nguyen, Hoai Thuong, Chau, Minh Thuyen, Thao, Phan Thi Bich
Format: Article
Language:English
Subjects:
Anomalies
Coercivity
dielectric hysteresis loops
Dioxides
Ferroelectric materials
ferroelectric metal-organic frameworks
ferroelectric switching
Ferroelectricity
Hysteresis loops
Metal-organic frameworks
Nanoparticles
phase transition
Phase transitions
Silicon
Switching
Temperature
Water chemistry
Zinc
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Summary:A composite from a ferroelectric metal-organic framework of [ND 4 ][Zn(DCOO) 3 ] and nano-dispersed silicon dioxides nanoparticles (nSiO 2 ) has been synthesized. The study investigates the influence of nSiO 2 on ferroelectric switching and phase transition properties in [ND 4 ][Zn(DCOO) 3 ]. It was indicated that the addition of nSiO 2 led to the increase in phase transition temperatures and the inhibition of repolarization in ferroelectric parts. When the nSiO 2 amount increased, the saturated dielectric hysteresis loops were more difficult to obtain and transformed into unsaturated ones with the rise of coercive field. The residual water molecules kept on nSiO 2 were found to be responsible for the above anomalies.
ISSN:1058-4587
1607-8489
DOI:10.1080/10584587.2022.2054072