Analyzing Temperature - Dependent Structural Changes and Frequency Response of a Ferroelectric Nanocomposite Based on Triglycine Sulfate with Oxidized Multiwalled Carbon Nanotubes

被引：0
|
作者：
Nguyen, Hoai Thuong [1 ]
Luu, Thi Nhan [2 ]
Ngo, Thi Hoa [2 ]
Thao, Phan Thi Bich [1 ]
机构：
[1] Ind Univ Ho Chi Minh City, Fac Elect Engn Technol, Ho Chi Minh City, Vietnam
[2] Hanoi Univ Ind, Fac Fundamental Sci, Hanoi, Vietnam
来源：
FERROELECTRICS | 2024年 / 618卷 / 04期
关键词：
Oxidized MWCNT; triglycine sulfate; dielectric relaxation; polarization switching; domain-wall motion; HYDROGEN-BONDED FERROELECTRICS; PHASE-TRANSITION;
D O I：
10.1080/00150193.2023.2300606
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work is a continuing study on anomalous properties of the ferroelectric nanocomposite from triglycine sulfate (TGS) and oxidized multiwalled carbon nanotubes (OMWCNT). In this study, the nature of frequency response in a region of 102-107 Hz at low temperatures (63-273 K) will be clarified by analyzing structural changes when reducing temperature. It was found that the interaction between TGS and OMWCNT inhibited the switching of SO4- groups, leading to a significant increase in relaxation time, activation energies and coercive fields. Consequently, the domain - wall freezing occurred at higher temperatures than those in pure TGS.
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页码：949 / 956
页数：8
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