Article
Materials Science, Ceramics
Jingjing Wang, Dayu Zhou, Wei Dong, Xiaoduo Hou, Feng Liu, Nana Sun, Faizan Ali, Ziqi Li
Summary: The study demonstrates that the ferroelectric properties and crystalline structure of pure zirconia thin films are influenced by film thickness, with an increase in thickness leading to a higher m-phase fraction. Futhermore, a phase transition from orthorhombic to cubic and tetragonal phases was observed as the thickness increased.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Alfredo Blazquez Martinez, Nicolas Godard, Naveen Aruchamy, Cosme Milesi-Brault, Oana Condurache, Andreja Bencan, Sebastjan Glinsek, Torsten Granzow
Summary: In this study, polycrystalline Mn and Ti co-doped BiFeO3 thin films were fabricated on platinized silicon substrates by a solution deposition method, with PbTiO3 nanocrystals used as a seed layer to induce a preferential (100) pseudocubic orientation. The introduction of a PbTiO3 seed layer significantly reduced the leakage current and resulted in excellent room-temperature ferroelectric properties in the thin films.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Multidisciplinary
Bruno Magalhaes, Stefan Engelhardt, Christian Molin, Sylvia E. Gebhardt, Kornelius Nielsch, Ruben Huhne
Summary: While bulk materials research has identified Na0.5Bi0.5TiO3 (NBT)-based compounds as potential candidates for lead-free electrocaloric cooling processes, this study focuses on investigating the feasibility of epitaxial NBT-based thin films for a more detailed analysis of the relationship between composition, microstructure, and functional properties. The thin films exhibited undisturbed epitaxial growth on lattice-matching substrates with columnar microstructure, but showed increased roughness and grain size with thicker films. Dielectric measurements showed a shift in phase transition temperature, reduced permittivity, and increased losses compared to bulk samples.
Article
Materials Science, Ceramics
Miroslav Soroka, Josef Bursik, Radomir Kuzel, Lukas Horak, Jan Prokleska, Marek Vronka, Valentyn Laguta
Summary: This study reports the growth of epitaxial thin films of Sr2Co2Fe28O46 on a SrTiO3(111) substrate using a chemical solution deposition method. The orientation relationship between the film and substrate was determined to be (000l)X || (111)STO and [1120]X || [101]STO through X-ray diffraction analysis. The magnetization and magnetic domain structure were investigated using magnetic measurements and Lorentz transmission electron microscopy, revealing a spin reorientation transition and a change in magnetic anisotropy at different temperatures.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Ceramics
Xiao Tang, Kuang-Hui Li, Che-Hao Liao, Jose Manuel Taboada Vasquez, Chuanju Wang, Na Xiao, Xiaohang Li
Summary: The study presents a novel CSD technique for depositing highly epitaxial indium and aluminum-doped Ga2O3 thin films, showing pure beta phase with good crystallization qualities. The incorporation of indium and aluminum shifts the crystallization of the thin films to lower and higher temperatures, respectively, and the bandgap of the sintered thin films can be tuned from 4.05 to 5.03 eV using mixed precursor solutions. Photodetectors based on the samples exhibit maximum photocurrents at different wavelengths, suggesting potential for producing high-quality bandgap tunable deep ultraviolet photoelectrical and high-power devices.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Energy & Fuels
Yaqiong Wang, Man Zhang, Yajun Yue, Hangfeng Zhang, Amit Mahajan, Steve Dunn, Haixue Yan
Summary: This study reports the production of high-purity single-phase nanostructured BiFeO3 thin films on transparent conductive fluorine-doped tin oxide substrate using chemical solution deposition. The thin films show a single-grain single-domain structure and exhibit ferroelectric switching, with high visible light absorption.
Article
Materials Science, Ceramics
Rui Pinho, Inigo Bretos, Ricardo Jimenez, M. Lourdes Calzada, Maria J. Hortiguela, Gonzalo Otero-Irurueta, Maxim Ivanov, Alexander Tkach, M. Elisabete Costa, Paula M. Vilarinho
Summary: A major challenge in integrating functional oxides like ferroelectrics into microelectronics and flexible electronics is reducing their processing temperature to a level below the degradation temperature of silicon and flexible plastic substrates. To address this issue, attention has been focused on low-temperature processing of oxide films using chemical solution deposition (CSD). In this study, polycrystalline KNN thin films were successfully fabricated at a low temperature of 400 degrees C using a modified CSD process called the Seeded Photosensitive Precursor Method (SPPM). These films demonstrated monophasic structure, stoichiometric composition, and significant values of remnant polarization and hysteretic piezoresponse, making them suitable for direct integration into high-performance electronic devices.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
E. A. C. Astrath, E. A. Volnistem, R. C. Oliveira, R. R. Barbosa, A. J. Santana, A. C. Ferreira, D. M. Silva, G. S. Dias, L. F. Cotica, I. A. Santos, L. C. Dias, T. G. M. Bonadio, V. F. Freitas
Summary: This study investigates the electrical, structural, and microstructural properties of high-quality BFPT thin films. It reveals that only electrode-limited mechanisms are present in BFPT thin films below 100 nm, with the Fowler-Nordheim mechanism being the predominant mechanism for fields above 240 kV/cm. Additionally, dielectric spectroscopy investigations show that the real dielectric constants of the BFPT thin films vary in the range of 10 kHz and 1 MHz, with low tangent loss.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Materials Science, Ceramics
Xu Jiang, Jie Sun, Xiaojie Chai, Yifan Chen, Wei Zhang, Jun Jiang, Anquan Jiang
Summary: The study found that the wall current varies with the angle between the applied electric field and the initial polarization, and that the oxygen vacancy concentration can be controlled through thermal annealing, affecting the magnitude of the domain wall current.
CERAMICS INTERNATIONAL
(2021)
Article
Nanoscience & Nanotechnology
Ali El Boutaybi, Thomas Maroutian, Ludovic Largeau, Nathaniel Findling, Jean-Blaise Brubach, Rebecca Cervasio, Alban Degezelle, Sylvia Matzen, Laurent Vivien, Pascale Roy, Panagiotis Karamanis, Michel Rerat, Philippe Lecoeur
Summary: The crystal structure and ferroelectric properties of ZrO2 films with thickness ranging from 7 to 42 nm grown on (110)-oriented SrTiO3 substrate with La0.67Sr0.33MnO3 buffer layer are reported. It is confirmed that the films have a tetragonal phase structure and exhibit ferroelectric behavior at thinner thicknesses, but the ferroelectricity diminishes with increasing film thickness.
ADVANCED ELECTRONIC MATERIALS
(2023)
Article
Chemistry, Physical
Miao Liu, Chengzhuan Gong, Renhuai Wei, Ling Hu, Jianming Dai, Xuebin Zhu, Yuping Sun
Summary: Lead-free epitaxial multilayered BiFeO3/NBT/LSMO films were investigated for their microstructures, electrical properties, and energy storage performances. The multilayered films showed improved leakage current densities and polarizations compared to the NBT film. The BFO/NBT/LSMO film with a thickness of 60 nm exhibited a recoverable energy storage density of 37.0 J/cm3 under 2680 kV/cm, making it a promising candidate for high-power energy storage applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Ceramics
Jiaojiao Yi, Yining Zhai, Anlong Fan, Qi Gao, Lisha Liu
Summary: This study fabricated BiFeO3 thin films with an interfacial amorphous layer using chemical solution deposition, significantly enhancing the ferroelectric properties of the films. The conducting mechanisms of the films were investigated, providing insights into the impact of the designed interface. These results not only advance the potential use of BiFeO3 thin films in electronic devices but also promote the development of chemical solution deposition as a promising method.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Nanoscience & Nanotechnology
Yu-Qing Hu, Ning-Tao Liu, Jie Lao, Rui-Hong Liang, Xing Deng, Zhao Guan, Bin-Bin Chen, Hui Peng, Ni Zhong, Ping-Hua Xiang, Chun-Gang Duan
Summary: Ferroelectric solid solutions near the morphotropic phase boundary, such as the BF-BT system, have shown excellent ferroelectric and piezoelectric properties, making them highly promising for lead-free electronic devices.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
B. Magalhaes, S. Engelhardt, C. Molin, S. E. Gebhardt, K. Nielsch, R. Huehne
Summary: The study investigated the correlation between structural parameters and the electrocaloric effect in lead-free epitaxial Ba1-xSrxTiO3 (BSTO) thin films. It was found that as the Sr content increased, the temperature of maximum permittivity decreased, and a relaxor-like behavior was observed.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Jonas Wawra, Kornelius Nielsch, Ruben Huehne
Summary: Substrate-induced strains can significantly affect the structural and functional properties of epitaxial thin films. By growing epitaxial Ba0.7Sr0.3TiO3 films on REScO3 substrates with smaller lattice mismatch, the quality of the films was improved compared to SrTiO3. The strain state of the functional layer depended on the substrate and thickness, leading to differences in permittivity and polarization behavior at different temperatures.
Article
Nanoscience & Nanotechnology
Yuanyuan Zhang, Qianqian Chen, Ruijuan Qi, Hao Shen, Fengrui Sui, Jing Yang, Wei Bai, Xiaodong Tang, Xuefeng Chen, Zhengqian Fu, Genshui Wang, Shujun Zhang
Summary: In this work, a high-performance multilayer heterostructure (PbZrO3/PbTiO3)n is reported, which achieves a high electric breakdown strength (2.9 MV/cm) and a maximum recoverable energy storage density of 36.4 J/cm3 through the heterostructure strategy. The competitive effects of interfacial blockage and local strain defects on the breakdown strength are revealed, showing an inflection point at n = 3. Atomic-scale characterizations shed light on the underlying microstructure mechanism of the interplay between heterointerface dislocations and decreased energy storage performance. This study demonstrates the potential of well-designed multilayers with high energy storage performance through heterostructure engineering.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Bin Zhang, Xiao-ming Chen, Zhe Pan, Peng Liu, Minmin Mao, Kaixin Song, Zhu Mao, Rong Sun, Dawei Wang, Shujun Zhang
Summary: In this study, a series of all-organic dielectric polymer composites were fabricated by blending NTCDA with PEI. These composites exhibited excellent energy storage performance at high temperatures, with high discharge energy density and efficiency. This research provides a facile and effective strategy for the design of high-temperature dielectric polymers for advanced electronic and electrical systems.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Physics, Applied
Gaochao Zhao, Chengbing Pan, Wei Dong, Lei Xie, Peng Tong, Jie Yang, Xuebin Zhu, Lihua Yin, Wenhai Song, Yuping Sun
Summary: We observe a clear converse magnetoelectric effect at room temperature in ternary BiFeO3-based systems near the morphotropic phase boundary (MPB). In situ XRD diffraction under different electric fields reveals that lattice distortion and phase transitions dominate the observed effect. This finding provides experimental proof and an explanation for electric-field control of magnetism at the MPB, potentially enabling the design of low power consumption magnetoelectric devices.
APPLIED PHYSICS LETTERS
(2023)
Article
Chemistry, Analytical
Ruobing Zheng, Lili Zhu, Changdian Li, Ziqiang Wu, Yanan Huang, Jie Yang, Renhuai Wei, Xuebin Zhu, Yuping Sun
Summary: Misfit-layered Ca3Co4O9 was investigated as an oxygen evolution reaction catalyst for electrochemical water splitting. Oxygen vacancies were effectively induced by ball milling, as confirmed by electronic paramagnetic resonance and X-ray photoelectron spectrometer measurements. The sample with a ball milling time of 24 hours showed the best electrochemical performance, attributed to the induced oxygen vacancies and enhanced specific surface area. This work provides an effective route for improving the electrochemical oxygen evolution reaction performance of misfit-layered cobaltates.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Engineering, Electrical & Electronic
J. M. Z. Wang, M. F. Shu, S. M. Li, C. B. Pan, M. Tao, L. H. Yin, W. H. Song, X. B. Zhu, J. Yang, Y. P. Sun
Summary: BiFe0.93Mn0.07O3-0.82BiFe(0.975)Ti(0.025)O(3)-0.18CaTiO(3) thin films were prepared on Pt/Si substrate by chemical solution deposition. The microstructure, ferroelectric and piezoelectric properties of the films under different annealing temperature were systematically studied. The film annealed at 500°C exhibited the highest remanent polarization and piezoelectric coefficient, comparable to other BiFeO3-based oriented films. This work offers a cost-effective approach for preparing high-quality lead-free composite ferroelectric films.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Physics, Condensed Matter
Sumei Li, Mingfang Shu, Meng Wang, Chengbing Pan, Gaochao Zhao, Lihua Yin, Wenhai Song, Jie Yang, Xuebin Zhu, Yupin Sun
Summary: A new perovskite-type oxide, CaCu3Cr2Nb2O12, was synthesized under high pressure and temperature, and its magnetic properties were investigated. The compound exhibits a paramagnetic-ferrimagnetic transition at low temperature, showing predicted critical behavior.
PHYSICA B-CONDENSED MATTER
(2023)
Article
Chemistry, Multidisciplinary
Lixiang Lai, Bin Li, Shuo Tian, Zhihao Zhao, Shujun Zhang, Yejing Dai
Summary: A giant unipolar electrostrain of 1.6% is achieved in Sr/Nb-doped Bi-0.5(Na0.82K0.18)(0.5)TiO3 lead-free textured piezoceramics by defect dipole design, which is comparable to or even higher than state-of-the-art lead-based piezoelectric single crystals. The enhanced electrostrain is realized through reversible electric-field-induced phase transition, grain orientation engineering, and defect dipole engineering. This research provides a general strategy for designing piezoceramics with high electrostrain.
ADVANCED MATERIALS
(2023)
Review
Materials Science, Multidisciplinary
Peter Kabakov, Taeyang Kim, Zhenxiang Cheng, Xiaoning Jiang, Shujun Zhang
Summary: Piezoelectric materials can convert electrical energy into mechanical response and combining different types of piezoelectric materials into composites can create well-rounded properties. These composites have the advantage of combining the flexibility of polymers with the high electromechanical coupling and piezoelectric coefficients of ferro-electric ceramics or single crystals, making them suitable for various applications such as medical ultrasound imaging and therapy, underwater acoustic sensing, industrial structural health monitoring, and energy harvesting.
ANNUAL REVIEW OF MATERIALS RESEARCH
(2023)
Article
Physics, Applied
Bingbing Yang, Yiqian Liu, Shun Lan, Lvye Dou, Ce-Wen Nan, Yuan-Hua Lin
Summary: The article introduces the polarization characteristics of dielectric materials under applied electric fields and emphasizes the importance of high-entropy design in improving their performance. It reviews the recent investigations and applications of high-entropy design in dielectric materials, and proposes future research directions.
JOURNAL OF APPLIED PHYSICS
(2023)
Article
Engineering, Electrical & Electronic
M. Tao, C. B. Pan, L. H. Yin, W. H. Song, X. B. Zhu, J. Yang, Y. P. Sun
Summary: High temperature piezoelectric ceramic Bi3TiNbO9 with the addition of BaO-2B(2)O(3) as a sintering aid was prepared using a solid-state reaction method. The addition of BaO-2B(2)O(3) promoted grain growth and increased sample density. The ferroelectric and piezoelectric properties of the Bi3TiNbO9 samples with BaO-2B(2)O(3) addition showed remarkable improvement compared to Bi3TiNbO9 alone. The enhanced electrical properties of the samples can be attributed to the dense morphology, increased structural distortion, and reduced oxygen vacancy concentration. This study is important for the development of high-temperature piezoelectric ceramics with reasonable electrical properties.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Nanoscience & Nanotechnology
Leiyang Zhang, Ruiyi Jing, Hongliang Du, Yunyao Huang, Qingyuan Hu, Yuan Sun, Yunfei Chang, Denis Alikin, Xiaoyong Wei, Wenwu Cao, Vladimir Shur, Shujun Zhang, Dragan Damjanovic, Li Jin
Summary: This research introduces a novel approach to texture engineering in order to enhance the electrostrictive effect. The (Ba0.95Ca0.05)(Ti0.88Sn0.12)O-3 (BCTS) ceramics exhibit ultrahigh electrostrictive strain and negligible hysteresis, offering great potential for advancements in this field.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Ceramics
Li Zhang, Chen Zhou, Renhuai Wei, Xiaotian Kong, Xuebin Zhu
Summary: In this study, LaRh1-xNixO3 (x = 0, 0.05, 0.1) thin films were deposited by chemical solution deposition. The results showed that Ni doping can enhance the conductivity of the films, making them suitable for a wide range of applications.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Jianguo Chen, Binghao Cui, John E. Daniels, Jianli Wang, Qinfen Gu, Ying Jiang, Zhenxiang Cheng, Jinrong Cheng, Shujun Zhang
Summary: The origins of unipolar strain, strain hysteresis, and remnant strain in Mn-modified BF-BT ceramics near the pseudo-cubic and rhombohedral (PC-R) phase boundary were investigated using high-energy synchrotron X-ray diffraction. It was found that the largest unipolar strain occurred at the composition with a single pseudo-cubic phase, due to the synergetic contributions from reversible phase transition, non-180 degrees domain switching, and lattice distortion. The phase boundary composition exhibited irreversible phase transition, with the unipolar strain attributed to lattice distortion. The lowest strain hysteresis and remnant strain were observed in BF-BT ceramics with rhombohedral phase, as reversible lattice distortion dominated the strain level.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
Wangping Cheng, Yuandi He, Renhuai Wei, Ling Hu, Wenhai Song, Xuebin Zhu, Yuping Sun
Summary: In this study, the rectification behavior of transparent p-n heterojunctions based on solution-processed p-type CuCrO2 and n-type In2O3 thin films was reported. The performance of the heterojunction was improved by changing the annealing temperature of the In2O3 thin film. The optimized p-n diode exhibited a high rectification rate of 1.41 x 104 (at ± 3 V) and an ideal factor of 3.9 while maintaining a visible transmittance exceeding 60%. The conduction mechanism in the heterojunction was dominated by space-charge limited conduction. These results will drive the application of delafossite oxide-based diodes in transparent electronics.
Article
Chemistry, Analytical
Rongshuo Guo, Huiyuan Yang, Yu Ye, Linghua Jin, Ruibin Wang, Ye Zhang
Summary: The design and tailoring of the cathode material for a supercapacitor play a vital role in achieving high performance. A composite cathode material, consisting of 2D BP coated on a 3D CoPBA, has been developed through self-assembly. The resulting CoPBA/BP composites exhibit improved electrochemical performance and are promising candidates for cathode material applications.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)