Article
Chemistry, Physical
Yongzhao Yao, Yoshihiro Sugawara, Koji Sato, Daisaku Yokoe, Kohei Sasaki, Akito Kuramata, Yukari Ishikawa
Summary: A comparative study of two etchants, molten KOH+NaOH and hot H3PO4, was performed to reveal dislocations in beta-Ga2O3. It was found that KOH+NaOH could reveal all grown-in dislocations, while H3PO4 could not reveal dislocations nearly parallel to the (-201) surface. Surface damage induced etch pits with smaller dimensions than the grown-in dislocations.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Nanoscience & Nanotechnology
Fabian Kaufmann, Giovanni Finco, Andreas Maeder, Rachel Grange
Summary: Lithium niobate on insulator is becoming a versatile platform for new photonic integrated devices. Progress has been made to improve the fabrication of optical circuits on a large scale, and the performance has reached remarkable levels. However, the argon etching process is still challenging to optimize due to micro-masking effects and low etch mask selectivity. A workflow is presented to identify the best etching results, and three methods are proposed to achieve redeposition-free lithium niobate etching with good sidewall quality without the need for wet chemistry.
Article
Physics, Applied
Nayeon Lee, Woohyun Lee, Ohyung Kwon, Chin-Wook Chung
Summary: This study focuses on analyzing the correlation between the etch rates of SiO2 in CF4 plasma and electrical circuit parameters. By introducing an intuitive parameter, the etch rate can be estimated more accurately.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2022)
Review
Chemistry, Physical
Katarzyna Racka-Szmidt, Bartlomiej Stonio, Jaroslaw Zelazko, Maciej Filipiak, Mariusz Sochacki
Summary: This paper provides a review of the inductively coupled plasma reactive ion etching (ICP-RIE) method for silicon carbide etching. The experimental results show that the addition of O-2 and changes in RIE and ICP power have an impact on the etching rate of the Cr mask and the selectivity of SiC/Cr etching. SiC, with its attractive properties, holds great potential benefits for advances in submicron semiconductor processing technology.
Article
Chemistry, Physical
Hejing Wang, Jinying Yu, Guojie Hu, Yan Peng, Xuejian Xie, Xiaobo Hu, Xiufang Chen, Xiangang Xu
Summary: The etching behavior of micropipes in 4H-SiC and 6H-SiC wafers was studied, and a new Raman peak associated with micropipes was observed. Distinguishing micropipes from threading screw dislocations (TSDs) was determined using various microscopy techniques under preferable etching conditions. Micropipe etching pits were classified into two types based on their morphology and formation mechanism.
Article
Engineering, Electrical & Electronic
Yanming Xia, Zetian Wang, Lu Song, Wei Wang, Jing Chen, Shenglin Ma
Summary: Tungsten is a promising material for MEMS applications, but it is challenging to fabricate microstructures with high aspect ratios and small feature sizes due to its excellent properties. In this study, an inductively coupled plasma (ICP) deep etching process was developed for bulk tungsten, and successfully achieved microstructures with high aspect ratios and small feature sizes, demonstrating its potential application prospect.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Engineering, Electrical & Electronic
Guangyang Lin, Peng Cui, Tao Wang, Ryan Hickey, Jie Zhang, Haochen Zhao, James Kolodzey, Yuping Zeng
Summary: The research successfully optimized the anisotropic etching of GeSn microstructures and selective etching of Ge on GeSn by adjusting process parameters, laying the foundation for fabricating various microstructures.
IEEE TRANSACTIONS ON NANOTECHNOLOGY
(2021)
Article
Engineering, Manufacturing
Yi Zhang, Linfeng Zhang, Keyu Chen, Dianzi Liu, Dong Lu, Hui Deng
Summary: This method proposes a rapid detection of subsurface damage (SSD) of SiC using atmospheric inductivity coupled plasma, optimizing detection through plasma diagnosis and simulation and confirming accuracy with STEM analysis. Rapid screening ability for SSD is demonstrated, making it a promising approach for rapid detection.
INTERNATIONAL JOURNAL OF EXTREME MANUFACTURING
(2021)
Article
Chemistry, Analytical
Claude Degueldre
Summary: The study proposes adapting the SP-ICP-MS method for identification and counting of single viruses, with analysis and identification achieved through counting of master and key ions. The counting of virus units can be completed in 20 seconds, with analysis of main and key ions recommended to be carried out in Ar torch.
Article
Thermodynamics
Linfeng Zhang, Yongjie Zhang, Bing Wu, Hui Deng
Summary: In this study, atmospheric argon inductively coupled plasma (Ar-ICP) was applied to the thermal etching of GaN for the first time. The etching principle and mechanism of circular etching pit formation were revealed through the analysis of surface chemical composition and near-surface plasma spectroscopy. The maximum material removal rate of Ar-ICP thermal etching can reach 18.72 gm/min. The optical properties of the sliced GaN after the Ar-ICP thermal etching and lapping process were evaluated by photoluminescence (PL), showing increased PL intensity and red shift in the near-band emission peak position compared to the lapped sample.
THERMOCHIMICA ACTA
(2023)
Article
Chemistry, Analytical
Annika Schardt, Johannes Schmitt, Carsten Engelhard
Summary: In this proof-of-principle study, a new data acquisition system with nanosecond time resolution (nanoDAQ) and a matching data processing approach were developed for single particle inductively coupled plasma mass spectrometry (spICP-MS). The system can detect gold nanoparticles as small as 7.5 nm and acquire a statistically significant number of data points in a short time.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2023)
Article
Chemistry, Physical
Hee Ju Kim, Long Wen, Doo San Kim, Ki Hyun Kim, Jong Woo Hong, Won Jun Chang, Soo Namgoong, Dong Woo Kim, Geun Young Yeom
Summary: The etch characteristics of silicon trenches masked with various SiO2/Si3N4 pattern distances were investigated using different pulse modes in Ar/Cl-2 inductively coupled plasmas. The results showed that using synchronously and asynchronously pulse modes instead of continuous wave (CW) mode increased the selectivity between Si and the mask layer and reduced the etch rate differences between wide and narrow pattern distance patterns (ARDE). The improvements in etch selectivity and reduction of ARDE were attributed to the increased conduction of Cl radicals/byproducts and time separated etch cycle composed of Cl chemical adsorption and removal of chemisorbed species.
APPLIED SURFACE SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Nayeon Lee, Ohyung Kwon, Chin-Wook Chung
Summary: The study analyzed the correlation of RF impedance with Ar plasma parameters in semiconductor etch equipment, finding that the corrected plasma resistance had a coefficient of determination over 0.9 with the theoretical formula for bulk plasma resistance. This suggests that the corrected RF impedance can help monitor plasma status and maintain etch process quality in semiconductor mass production lines.
Article
Chemistry, Physical
Dongshuai Li, Qiliang Wang, Xianyi Lv, Liuan Li, Guangtian Zou
Summary: In this study, a straightforward and reasonably priced Ni-assisted etching and re-growth method was used to decrease the dislocation density of diamond. By adjusting the annealing temperature, high-density inverted pyramid and/or trapezoidal pits were effectively exposed due to the interaction between carbon and Ni metal. The dislocations located beneath the etching pits were partially annihilated during the lateral coalescence, resulting in a decrease in dislocation density.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Dain Sung, Long Wen, Hyunwoo Tak, Hyejoo Lee, Dongwoo Kim, Geunyoung Yeom
Summary: The etching properties of C6F6/Ar/O-2 in ICP and CCP systems were evaluated. In the ICP system, lower O-2/C6F6 ratio and higher SiO2 etch rate were required, while in the CCP system, tapered SiO2 etch profiles were observed.
Article
Engineering, Industrial
Khan Muhammad Ajmal, Rong Yi, Zejin Zhan, Jianwei Ji, Linfeng Zhang, Hui Deng
Summary: The study introduced a novel and highly efficient isotropic etching polishing (IEP) technique for flat and complex 3D printed Inconel 718 (IN718) parts, transforming anisotropic etching into isotropic etching and improving surface quality. IEP enhanced the corrosion resistance of 3D printed IN718 but faced limitations in processing time and slight degradation in material mechanical properties.
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
(2022)
Article
Engineering, Manufacturing
Linfeng Zhang, Dong Lu, Hui Deng
Summary: Electrochemical etching can alter the carrier distribution along the polar plane and cause severe surface oxidation on the Ga-face. The etched surface morphology can be divided into protrusions and pits depending on excessive carrier density, and the pre-etched surface exhibits better ductility and desirable surface quality.
JOURNAL OF MANUFACTURING PROCESSES
(2022)
Article
Automation & Control Systems
Jianwei Ji, Muhammad Ajmal Khan, Zejin Zhan, Rong Yi, Hui Deng
Summary: In this paper, the universal factor determining the evolution of surface roughness during electrochemical polishing (ECP) is studied. The material removal thickness is found to be the key parameter governing the roughness evolution of the polished surface, regardless of other parameters.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2022)
Article
Electrochemistry
Ji Jianwei, Khan Muhammad Ajmal, Zhan Zejin, Yi Rong, Deng Hui
Summary: This paper systematically investigates the ultimate roughness and surface errors correction ability of electrochemical polishing (ECP) over different spatial frequency ranges. It proposes and clarifies the concept of critical spatial frequency, and studies the law of polishing parameters affecting critical spatial frequency by using spatial frequency spectrum analysis. The research findings show that ECP can improve polishing effectiveness by correcting surface errors.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Engineering, Industrial
Rong Yi, Jianwei Ji, Zejin Zhan, Hui Deng
Summary: This study investigates the electropolishing mechanism of tungsten in the electrolyte with H2SO4 and CH3OH. The anodic dissolution behavior of tungsten shows that anisotropic and isotropic etching occur under different polarization conditions. The experimental results demonstrate the importance of isotropic etching mode and the effect of pulse power supply on surface roughness.
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
(2022)
Article
Engineering, Multidisciplinary
Rulin Li, Yaguo Li, Hui Deng
Summary: This study introduces a nonsubtractive surface polishing technique called plasma-induced atom migration manufacturing (PAMM), which utilizes energy transmitted by inductively coupled plasma (ICP) to form a molten layer on the fused silica surface, achieving a rearrangement of surface atoms or clusters driven by surface tension. Unlike the conventional subtractive smoothing processes, PAMM removes no material and offers high efficiency and low cost, making it a promising technique for producing large optical components with excellent optical performance and long operation life.
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Binbin Guo, Jiahui Kang, Tianbiao Zeng, Hongqiao Qu, Shixiang Yu, Hui Deng, Jiaming Bai
Summary: In this study, a corrosion-resistant and robust titanium alloy lattice was designed as a catalyst support, and a core-shell structure was coated on its surface. The combination of these two materials successfully improved the kinetics of oxygen evolution reaction, accelerating the large-scale production of hydrogen.
Article
Chemistry, Physical
Shaoxiang Liang, Linfeng Zhang, Hui Deng
Summary: Optical manufacturing is crucial in various fields, and the PAMM process offers a nonsubtractive approach to achieve atomic-level surface roughness control. By utilizing inductively coupled plasma as the tool, PAMM demonstrates its feasibility as an alternative method for atomic-level surface manufacturing.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Bing Wu, Yi Zhang, Rong Yi, Hui Deng
Summary: This study demonstrates the successful transition from isotropic etching to atom-selective etching by varying the CF4/O-2 reactant gas ratio, providing an efficient and effective approach for manufacturing Si atomic surfaces.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Biochemical Research Methods
Fang Wang, Chang Li, Ruotong Zhang, Yuan Liu, Haisong Lin, Lang Nan, Muhammad Ajmal Khan, Yang Xiao, Ho Cheung Shum, Hui Deng
Summary: Cold atmospheric plasma chip enables targeted and multi-dosage treatment of multiple cell lines in a single session. This innovative approach provides a new tool for investigating the mechanisms of plasma-induced anticancer effects and guiding clinical applications.
Article
Chemistry, Physical
Linfeng Zhang, Bing Wu, Yi Zhang, Hui Deng
Summary: Plasma-based atom-selective etching (PASE) is used to efficiently planarize the GaN surface. Non-toxic carbon tetrafluoride is chosen as the reaction gas for PASE, which improves the volatility of etching products. PASE of GaN reduces surface roughness from Sa 135.8 nm to Sa 0.527 nm in 2 minutes, with a material removal rate 93.01 μm/min, thousands of times higher than the conventional chemical mechanical polishing method. The crystal structure of the GaN subsurface remains intact, proving the non-destructive nature of PASE. Furthermore, the effects of radio frequency power and reaction gas flow rate on PASE are investigated.
APPLIED SURFACE SCIENCE
(2023)
Article
Engineering, Industrial
Hui Deng, Yongjie Zhang, Jianwen Liang, Xinquan Zhang
Summary: This article proposes a method of surface reconstruction using chemical-physical tuning of atmospheric plasma for atomic surface manufacturing of single-crystal materials. The ultrasmooth surface of sapphire with Sa 0.06 nm can be achieved through atom-selective etching enabled by the chemical mode of plasma. A uniform step-terrace structure can be formed by atomic reconstruction through the physical mode of plasma. This study provides a new strategy for atomic surface manufacturing of single-crystal materials.
CIRP ANNALS-MANUFACTURING TECHNOLOGY
(2023)
Article
Thermodynamics
Linfeng Zhang, Yongjie Zhang, Bing Wu, Hui Deng
Summary: In this study, atmospheric argon inductively coupled plasma (Ar-ICP) was applied to the thermal etching of GaN for the first time. The etching principle and mechanism of circular etching pit formation were revealed through the analysis of surface chemical composition and near-surface plasma spectroscopy. The maximum material removal rate of Ar-ICP thermal etching can reach 18.72 gm/min. The optical properties of the sliced GaN after the Ar-ICP thermal etching and lapping process were evaluated by photoluminescence (PL), showing increased PL intensity and red shift in the near-band emission peak position compared to the lapped sample.
THERMOCHIMICA ACTA
(2023)
Article
Chemistry, Physical
Yi Zhang, Yongjie Zhang, Kaixuan Gu, Linfeng Zhang, Yuanmin Zhu, Dianzi Liu, Hui Deng
Summary: The advancement of science and technology has led to improved manufacturing precision. This study introduces a method to efficiently fabricate large-scale atomically flat surfaces and achieve high polishing efficiency. The method holds potential for mass-producing atomic-scale smooth surfaces and promoting innovation in advanced technologies.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2023)
Article
Chemistry, Physical
Shaoxiang Liang, Yi He, Pengbo Ding, Chunjin Wang, Liang Guo, Hui Deng
Summary: In this study, a hybrid manufacturing process based on inductively coupled plasma (ICP) was proposed to effectively reduce subsurface damage and achieve an ultra-smooth surface on fused silica optics at an atomic scale. The process combined isotropic etching polishing (IEP) and atom-migration manufacturing (AMM), where a large number of isotropic etching pits were formed, enlarged, overlapped, and merged to create a smooth surface in the plasma-IEP process. By continuously removing the subsurface damage layer, plasma-IEP could generate a less damage surface of fused silica with a material removal rate of 0.8 pm/min and reduce the roughness from 97.1 nm to 31.3 nm. Plasma-AMM further reduced the surface roughness to less than 0.15 nm without subtractive actions. Laser induced damage threshold (LIDT) tests showed that the fused silica surface after the IEP-AMM hybrid manufacturing could withstand higher laser fluence, indicating its potential for more effective applications in high-power laser systems. This study proposed and verified the hybrid plasma manufacturing process, providing a less damage manufacturing process for fused silica with an ultra-smooth surface.
SURFACES AND INTERFACES
(2023)
Article
Materials Science, Ceramics
Dan Zhao, Yi Feng, Zhipeng Pi, Fan Zhang
Summary: Phase equilibria in the ZrO2-GdO1.5-TaO2.5 (ZGTO) system were experimentally investigated, and the differences between ZGTO and the existing ZrO2-YO1.5-TaO2.5 (ZYTO) were discussed. The study is useful for thermodynamic assessment of ZGTO and can guide the design of novel thermal barrier coatings materials.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Yutaka Ohya, Wingki Mey Hendra, Chika Takai-Yamashita, Takayuki Ban
Summary: Diffusion couples of rutile and corundum single crystals were prepared and examined to study the solid solution and precipitation of corundum in rutile during cooling. Different precipitation forms of corundum were observed under different cooling conditions.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Jiaming Zhan, Yunfa Guo, Hao Wang
Summary: This study systematically investigates the mechanical behaviors of calcium fluoride in humid environments. The effects of water on the deformation and plastic enhancement of CaF2 under indentation are explored through microindentation experiments, atomic simulations, and Raman spectroscopy measurement.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Hangfeng Zhang, Henry Giddens, Theo Graves Saunders, Matteo Palma, Isaac Abrahams, Haixue Yan, Yang Hao
Summary: The relationship between low and high frequency tunabilities in tin substituted barium titanate ceramics was investigated. It was found that there are differences in tunabilities at different frequencies due to the different activities of larger ferroelectric domains and polar nanoclusters.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Kaibiao Xi, Jiacheng Liu, Beibei Song, Huarong Cheng, Yihao Li, Xiaole Yu, Mupeng Zheng, Mankang Zhu, Yudong Hou
Summary: Composite modulation in the superparaelectric state of the BTBZ-CT system is proposed as an effective strategy to achieve both NTCC and excellent energy storage performance in dielectric ceramics. The addition of BZ and CT to BT ferroelectrics can move the SPE state to the normal use temperature zone, resulting in enhanced NTCC characteristics and energy storage performance. Furthermore, intentional precipitation of CT at grain boundaries can refine the grain size, increase the bandgap, and strengthen the local electric field distribution, thereby enhancing the breakdown electric field.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Hamed Salimkhani, Lovro Fulanovic, Till Froemling
Summary: The demand for robust multilayer ceramic capacitors with high-temperature and high-power capabilities is increasing rapidly. However, cost-effective production is a challenge. This study investigates the use of Na0.5Bi0.5TiO3-based materials as promising lead-free options. By adding sintering aids, the sintering temperature of Na0.5Bi0.5TiO3-BaTiO3-CaZrO3-BiAlO3 solid solutions was successfully reduced to 975 degrees C, suitable for co-sintering with Cu electrodes without adverse effects on capacitor properties.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Mingxing Li, Ran Mo, Zeshui Xu, Jie Zhou, Conglin Zhang, Xuefeng Cui, Fang Ye, Laifei Cheng, Ralf Riedel
Summary: Polymer infiltration and pyrolysis is an effective method for preparing ceramic matrix composites. The transformation of polymer to ceramic during the process affects the residual stress and interface behavior in the composites.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Yan Kang, Lin Chen, Chang-Jiu Li, Guan-Jun Yang
Summary: A novel abradable seal coating with low hardness and high bonding strength was successfully designed and prepared. This coating has significantly higher abradability and erosion resistance compared to metal-based coatings, and can retain excellent abradability and have a long lifetime during service.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Qingzhong Song, Xiangdong Zha, Ming Gao, Yingche Ma
Summary: This study analyzes the influence of calcia refractory purity on the properties of calcia crucibles. Higher purity calcia results in well-developed grains and improved hydration resistance, leading to better high-temperature strength and thermal shock resistance. In contrast, lower purity calcia crucibles exhibit inferior properties. Therefore, high-purity calcia is considered a potential refractory for manufacturing oxide crucibles.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Sehreish Abrar, Faisal Nazeer, Zhuang Ma, Ling Liu, Abdul Malik, Mustafa Kamal, Abdullah G. Al-Sehemi
Summary: To raise the operating temperature of Si-based ceramic matrix composites (CMCs), researchers have applied thermal/environmental barrier coating (T/EBCs) materials, typically rare earth silicates. However, the high thermal conductivity and the mismatch of thermal expansion have been major challenges in developing new materials that can offer thermal insulation and environmental protection to CMCs. In this study, entropy engineering was used to create a multicomponent equi-atomic single-phase pyro silicate with extremely low thermal conductivity and enhanced water vapor corrosion resistance. The research findings show the potential of high entropy disilicates in achieving ultra-low thermal conductivity and low weight loss in corrosive environments.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Zi-bo Niu, Daxin Li, Dechang Jia, Zhihua Yang, Kunpeng Lin, Paolo Colombo, Ralf Riedel, Yu Zhou
Summary: In this study, SiBCN ceramics with a special structure were prepared to improve the oxidation resistance. The effect of the structure on oxidation behavior and kinetics was investigated, revealing that the special structure can effectively inhibit heterogeneous oxidation and enhance the oxide layer composition.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Melike Donmez, Metehan Erdogan, Cihangir Duran
Summary: The limited densification of CeO2 ceramics was improved by using an anorthite-based glass, resulting in high dielectric constant and quality factor with minimum dielectric loss. The CeO2-(anorthite-based) glass ceramic showed promising results in terms of low temperature densification and microwave properties.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
S. Rahmati, R. G. A. Veiga, J. Mostaghimi, T. Coyle, A. Dolatabadi
Summary: This study provides an atomic-scale description of the high-velocity impact of alpha-Al2O3 particles onto an alpha-Al2O3 substrate during Aerosol Deposition (AD). The results suggest that the crystal orientation plays a crucial role in both plasticity and damage of the nanoparticles. Impact velocity has a direct correlation with plasticity and fragmentation, but adhesion efficiency has only a marginal increase. The crucial element lies in the substrate's surface alterations caused by the fragments left on the substrate after impact.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Bo-Wen Chen, Yan-Mei Kan, De-Wei Ni, Chun-Jing Liao, Hong-Da Wang, Yu-Sheng Ding, Shao-Ming Dong
Summary: This study characterized the long-term and repeated ablation properties of modified Cf/HfC-SiC composites with YB4-Al2O3-Si3N4 under an air plasma torch. The structural stability and viscosity of the oxide layer were found to affect the ablation resistance of the composites. By forming nano c-HfO2 grains and high-viscosity Al-Si-Y-O glassy phase, the structural stability of the oxide layer was improved, resulting in enhanced ablation resistance. However, the oxidation of Si3N4 led to the formation of NO, NO2, and excessive SiO2 glassy phase, which resulted in a porous structure and reduced the viscosity of the oxide layer. Therefore, the addition of Si3N4 decreased the ablation resistance of the composites.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
Article
Materials Science, Ceramics
Yongxing Wei, Huawei Zhang, Siyuan Dong, Changqing Jin, Chenxing Bai, Junle Dai, Zengzhe Xi, Zhonghua Dai, Zengyun Jian, Li Jin
Summary: In this study, solid solutions of xBi(Ni1/2Hf1/2)O-3-(1 - x)PbTiO3 (xBNH-PT) were synthesized to investigate their phase boundary behaviors and physical properties. The presence of a tetragonal-pseudocubic phase boundary and a spontaneous ferroelectric-relaxor transition at specific compositions were confirmed. The introduction of a tetragonal-pseudocubic phase boundary improved the piezoelectric properties and suppressed the spontaneous ferroelectric-relaxor transition.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2024)
