Article
Materials Science, Ceramics
Anshu Mehta, Surbhi Sachdev, Parveen Kumar, Anupinder Singh, Chandra Prakash
Summary: A comparative study on two ferroelectric ceramics showed that BLTF2 with valency compensation exhibited enhanced ferroelectric properties compared to BLTF1, along with the observation of an electrocaloric effect. The findings indicate that valency compensation method can improve the ferroelectric properties of the ceramics, making them more suitable for various applications.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
H. N. Li, J. H. Li, Y. C. Shi, B. H. Zhang, L. Lin, R. Liu, S. J. Wu, X. F. Li, J. Shang, Y. C. Hu, X. W. Wang
Summary: A series of BCZT-xNi ceramics were prepared by the sol-gel method. The doping of Ni resulted in a decrease in average grain size and changes in dielectric and ferroelectric properties. The sample with x = 0.01 showed high dielectric constant and good frequency stability, while the sample with x = 0.02 exhibited high energy density and energy efficiency. Cation replacement was found to be an effective way to adjust the properties of BCZT ceramics.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2023)
Article
Materials Science, Ceramics
Sun Wenjing, Junzhan Zhang, Siyu Ge, Peng Shi, Leilei Li, Ying Zhang, Hudie Yuan, Dongyun Gui, Zongmo Shi
Summary: The influence of solid content on the pore morphology and mechanical and piezoelectric properties of porous BCZT ceramics was systematically investigated. The results showed that an increase in solid content led to a decrease in porosity and pore size, an increase in ceramic connectivity, and an increase in compressive strength. The best ferroelectric performance was achieved at a solid content of 30%, while the relative dielectric constant and piezoelectric constant increased with an increase in solid content. At a solid content of 20%, the maximum values of g33 and FOM33 were obtained.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Ismail Khmiri, Issa Kriaa, Hamadi Khemakhem
Summary: The successful synthesis of BCZT and BCZT-xMn ceramics by the solid-state method was followed by analyses using X-ray powder diffraction, scanning electron microscopy, and dielectric and conductivity measurements to study the doping effect on the microstructure and electrical properties of the perovskite material. The results show variations in dielectric constants, permittivity, dielectric losses, and conductivity with doping, indicating the integration of manganese ions in the perovskite solid solution.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Materials Science, Ceramics
Kangli Xu, Pan Yang, Wei Peng, Lingxia Li
Summary: A series of Pb-free dielectric tunable ceramics based on (Ba1-xCax)( Zr0.18Ti0.82)O-3 were carefully prepared in this work. The BCZT09 ceramics showed high tunability (86.09%) and low dielectric loss (-0.19% @7.42 kV/cm) at 1 kHz. The temperature stability of dielectric tunable performance was improved with Ca2+ incorporation, with BCZT09 showing advantages in a temperature range of -20 degrees C to 85 degrees C. These observations suggest BCZT09 as a promising matrix for application in dielectric tunable devices operating at room temperature.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Chen Liu, Ji Zou, Xinwei Wang, Jon Binner, Tailin Zhang, Guoyang Ye, Tim Button
Summary: An optimized processing route was developed to fabricate dense and flat BCZT-L ceramics with 0-10 mol% of Li2CO3, using sintering at 1300°C-1400°C. The distribution of Li in the BCZT matrix was observed through TOF-SIMS, and the chemical and structural evolution of BCZT-L ceramics during sintering were comprehensively documented. It was found that the initial increase in d33 and kp of BCZT-L with Li content was followed by a decrease with excess Li, which was associated with Li aggregation in the BCZT matrix.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Fangbin Wei, Leiyang Zhang, Ruiyi Jing, Qingyuan Hu, D. O. Alikin, Y. Ya Shur, Jie Zhang, Xu Lu, Yangxi Yan, Hongliang Du, Xiaoyong Wei, Li Jin
Summary: In this study, environmentally friendly Bi-substituted BCZT ferroelectric ceramics were prepared and their dielectric, electrostrictive, and electrocaloric properties were investigated. The results showed that increasing the Bi3+ content resulted in changes in the ceramics' dielectric properties, as well as their electrostrictive and electrocaloric performance.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Yuanxun Li, Rui Peng, Yongcheng Lu, Minshu Chen
Summary: The Li2MnSiO4 ceramic was synthesized using the solid state reaction method, and its sintering and dielectric properties were analyzed through various techniques. The peak dielectric properties were obtained at 1000 degrees C.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Physics, Condensed Matter
H. Mezzourh, S. Belkhadir, D. Mezzane, M. Amjoud, E. Choukri, A. Lahmar, Y. Gagou, Z. Kutnjak, M. El Marssi
Summary: The BCZT ceramics prepared by the sol-gel process and sintered at 1420 degrees C exhibited excellent electrical properties and energy storage efficiency at high temperatures, showing potential applications in electrocaloric effect.
PHYSICA B-CONDENSED MATTER
(2021)
Article
Engineering, Manufacturing
Zi-Xuan He, Xue-Tian Gong, Chun-Lei Liu, Quan-Pei Du, Jia-Min Wu, Guang- Zu Zhang, Yu-Sheng Shi
Summary: In this study, BCZT ceramics were successfully prepared using vat photopolymerization, enabling the fabrication of devices with complex structures and high resolution. The results showed that increasing the sintering temperature improved the phase composition and electric properties of the ceramics.
ADDITIVE MANUFACTURING
(2022)
Article
Chemistry, Physical
Ritesh Verma, Ankush Chauhan, Khalid Mujasam Batoo, Muhammad Hadi, Emad H. Raslan, Rajesh Kumar, Muhammad Farzik Ijaz, Abdulaziz K. Assaifan
Summary: The synthesis of vanadium-doped BCZT ceramic oxides was reported in this paper, confirming the existence of a solubility limit of V in BCZT ceramics. Analysis revealed the influence of crystal structure and formation of oxygen vacancies on the luminescence and electrical properties of the material.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Ceramics
Ritesh Verma, Ankush Chauhan, Khalid Mujasam Batoo, Rajesh Kumar, Muhammad Hadi, Emad H. Raslan
Summary: Sr2+ doped Ba0.9-xCa0.1SrxTi0.8Zr0.2O3 nano-ceramics were synthesized by the conventional solid-state reaction method. XRD analysis confirmed the formation of a single-phase orthorhombic ABO3 structure, with increased crystallite size and decreased lattice parameter, dislocation density, and apparent density with doping. Porosity increased with doping, and various spectroscopy techniques revealed structural and compositional changes in the materials.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Maryam Nili-Ahmadababdi, Rasoul Sarraf-Mamoory, Amin Yourdkhani, Andrei Diaconu, Aurelian Rotaru
Summary: The cobalt doping of Mg1-xCoxFe2O4 ferrite powders affected the grain size, density, magnetic properties, and dielectric behavior, resulting in increased saturation magnetizations but also increased DC resistivity. Doping led to an increase in grain size and density, improving both the magnetic and dielectric properties of the samples.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Yuan Zhou, Zhixuan Tian, Yanzhi Cai, Chengye Liu, Yifan Li, Xiang Li
Summary: Tm2O3 was introduced into the KNN structure for the first time in this study, and (1-x)K0.5Na0.5Nb0.7Ta0.3O3xTm(2)O(3) (x=0.1-1.0%) powders were synthesized through a solvothermal method. The corresponding ceramics were prepared via atmospheric sintering. The introduction of Tm3+ promoted the refinement of KNN grain and resulted in significant increase in room-temperature dielectric permittivity and relaxation dispersion.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Sapna Kumari, Amit Kumar, Aman Kumar, V Kumar, Vikas N. Thakur, Ashok Kumar, P. K. Goyal, Anurag Gaur, Anil Arya, A. L. Sharma
Summary: Doped lead-free ceramics with excellent structural, dielectric and ferroelectric properties have been successfully synthesized, and they have potential applications in multilayer ceramic capacitors.
CERAMICS INTERNATIONAL
(2022)
