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2025
Volume: 15 Issue 1
10 Article(s)
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Research Articles
Effect of (Al
Huan Liu, Zhanhui Peng, Yulin Chen, Bi Chen... and Zupei Yang|Show fewer author(s)
In this work, dense CdCu3(Al1∕2Ta1∕2)xTi4?xO12 ceramics were prepared by a conventional solid phase method. The effect of Al3+/Ta5+ dopants on the dielectric properties of CdCu3Ti4O12 ceramics was systematically investigated. Upon Al3+/Ta5+ co-doping, the dielectric properties of CdCu3(Al1∕2Ta1∕2)xTi4?xO12 were signifiIn this work, dense CdCu3(Al
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2440016 (2025)
Adjusting photocatalytic hydrogen production of TiO2 hollow nanospheres through nitrogen-induced shallow trapping levels
Qingmiao Ren, Peng Chen, Na Sun, Miao Yue... and Jie Ma|Show fewer author(s)
N-doped titanium dioxide (TiO2) hollow nanospheres with abundant oxygen vacancies were successfully synthesized by coupling urea treatment and annealing in an N2 atmosphere. The pristine TiO2 hollow nanospheres exhibit a shallow donor level for electron trapping, while the urea treatment generates a N 2p acceptor levelN-doped titanium dioxide (TiO
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450005 (2025)
Efficient piezocatalytic properties of Na0.5Bi0.5TiO3 nanoparticles for dye degradation and hydrogen peroxide production
Bocheng Liang, Xiaoting Zhu, Haimiao Yu, Yongcheng Zhang, and Wanneng Ye
Piezocatalysis has emerged as a promising environmental remediation technique, and the exploration of environmentally friendly and high-performance piezocatalysts is crucial for their practical applications. In this work, the bismuth sodium titanate (Na0.5Bi0.5TiO3 (NBT)) exhibited efficient piezocatalytic activity towPiezocatalysis has emerged as a promising environmental remediation technique, and the exploration of environmentally friendly and high-performance piezocatalysts is crucial for their practical applications. In this work, the bismuth sodium titanate (Na
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450006 (2025)
Sintering-induced multiferroicity in 0.93(Na
Hongbo Liu, and Jianguo Chen
Two 0.93(Na0.5Bi0.5)TiO3–0.07BaTiO3 ceramics were sintered for 2h and 3 h, respectively, by a conventional solid reaction method. The ceramic sintered for 2h showed a normal ferroelectric hysteresis loop and paramagnetic behavior, while the ceramic sintered for 3h showed a pinched ferroelectric hysteresis loop, weak feTwo 0.93(Na
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450007 (2025)
Orientation-dependent tunneling electroresistance in Pt/Pb(Zr,Ti)O3/Nb:SrTiO3 ferroelectric tunnel junctions
Chunyan Ding, Chunyan Zheng, Weijie Zheng, Chenyu Dong... and Zheng Wen|Show fewer author(s)
Orientation anisotropy is a well-known essential character for polarization characteristics of ferroelectric materials, which has been widely investigated in conventional ferroelectric random access memories. In this work, we study the effects of orientation on the tunneling electroresistance (TER) of ferroelectric tunOrientation anisotropy is a well-known essential character for polarization characteristics of ferroelectric materials, which has been widely investigated in conventional ferroelectric random access memories. In this work, we study the effects of orientation on the tunneling electroresistance (TER) of ferroelectric tunnel junctions (FTJs). Rhombohedral Pb(Zr
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450008 (2025)
Thin film field-effect transistor with ZnO:Li ferroelectric channel
Armen Poghosyan, Ruben Hovsepyan, and Hrachya Mnatsakanyan
An n-type channel transparent thin film field-effect transistor (FET) using a top-gate configuration on a sapphire substrate is presented. ZnO:Li film was used as a channel, and MgF2 film as a gate insulator. Measurements showed that ZnO:Li films are ferroelectrics with spontaneous polarization PS=1–5μC/cm2 and coercivAn n-type channel transparent thin film field-effect transistor (FET) using a top-gate configuration on a sapphire substrate is presented. ZnO:Li film was used as a channel, and MgF2 film as a gate insulator. Measurements showed that ZnO:Li films are ferroelectrics with spontaneous polarization
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450009 (2025)
Microstructure, dielectric, ferroelectric and piezoelectric properties of
Neng Qin, Xiao-Ming Chen, Xin-Yu Huang, Jia-Jun Lan... and Peng Liu|Show fewer author(s)
Via the method of cold sintering with post-annealing, the lead-free ceramics K0.45Na0.45Li0.1NbO3 were prepared. The cold sintered pellet without post-annealing shows a relative density (ρr) of 77.9%, which is larger than ρr of the green pellet via the conventional solid-state sintering (SSS) method (～65.1%). The cold Via the method of cold sintering with post-annealing, the lead-free ceramics
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450010 (2025)
Synthesis and study of structural and electrophysical characteristics of piezoceramic section (1–x)(0.8PbMg
Artur Nogai, Maxim Sysoev, Alexandr Bush, and Adolf Nogai
X-ray diffraction and dielectric studies were performed on synthesized ceramic samples of the section (1–x) (0.8PbMg1∕3Nb2∕3O3?0.2BiScO3)? x(0.8PbTiO3?0.2BiScO3) with x=0–1 of the ternary BiScO3–PbTiO3–PbMg1∕3Nb2∕3O3 (BS–PT–PMN) system, including the temperature dependence of thermally stimulated depolarization currentX-ray diffraction and dielectric studies were performed on synthesized ceramic samples of the section (1–x) (0.8PbMg
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450011 (2025)
Increase of Curie point of BaTiO3 ceramics by stoichiometry, point defects and doping processing
Jianquan Qi, Hui Fang, Jiang Wang, Xiumei Han... and Wanping Chen|Show fewer author(s)
The Curie point of barium titanate (BaTiO3) has been a focal point of research since the discovery of its ferroelectric properties. Exploring methods to elevate the Curie point without relying on Pb as a dopant presents fresh opportunities for lead-free dielectric and/or piezoelectric materials. It is essential to avoiThe Curie point of barium titanate (BaTiO3) has been a focal point of research since the discovery of its ferroelectric properties. Exploring methods to elevate the Curie point without relying on Pb as a dopant presents fresh opportunities for lead-free dielectric and/or piezoelectric materials. It is essential to avoid introducing ions like K
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450012 (2025)
Dielectric relaxation in BaTiO3–Bi(Zn
Qian Wang, Jian-Hong Hu, Jun-Yi Liu, Chun-Ming Wang, and Chun-Lei Wang
Dielectric relaxation behaviors of (1–x)BaTiO3–xBi(Zn1∕2Zr1∕2)O3 (BT–BZZ, 0.04≤x≤0.20) have been analyzed at various temperatures. Both Havriliak–Negami (H–N) and Jurlewicz–Weron–Stanislavsky (J–W–S) relaxations are identified in these ceramic compositions. H–N relaxation happens in compositions with a small mole ratioDielectric relaxation behaviors of (1–x)BaTiO3–xBi(Zn
Journal of Advanced Dielectrics
- Publication Date: Feb. 18, 2025
- Vol. 15, Issue 1, 2450013 (2025)
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