Article
Materials Science, Ceramics
Fangyi Huang, Hua Su, Qin Zhang, Xiaohui Wu, Yulan Jing, Yuanxun Li, Xiaoli Tang
Summary: The effect of Ti substitution on the microwave dielectric properties and structural characteristics of CaMgSi2O6 ceramics was investigated. It was found that the increase in Ti content led to the formation of CaTiO3, and the permittivity was correlated with ionic polarizability. The quality factor and temperature coefficient of resonant frequency were significantly influenced by lattice stability. Lattice energy and cation bonding also affected the microwave dielectric properties, and adjusting these parameters improved the performance of the ceramics.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Chang Feng, Xia Feng, Tong Feng, Xiangli Yan, Wei Wang, Mengyu Wang, Haikui Zhu, Lixi Wang, Qitu Zhang, Shiwo Ta
Summary: The solid-phase method was used to synthesize MgMo1-xWxO4 ceramics (x = 0-0.15), and the effects of substituting Mo6+ with W6+ on the crystal structure, vibration characteristics, and microwave dielectric properties of MgMo1-xWxO4 ceramics were comprehensively studied. X-ray diffraction results showed that all samples exhibited a single-phase monoclinic wolframite structure, with W6+ replacing Mo6+ sites to form a solid solution. The sintering properties of MgMoO4 were effectively improved by W6+, leading to increased average grain size and relative density. Raman characterization revealed that suitable W6+ substitution resulted in a reduction of the v1 Ag peak's FWHM and an enhancement of the specific v3 Ag peak for Mo/WO4 tetrahedron, improving the ordered distribution of the crystal structure. This combined effect resulted in an increased Qxf value, with little influence of W6+ substitution on er and tau f for MgMoO4. Among the samples, MgMo0.91W0.09O4 ceramic sintered at 1050 degrees C exhibited optimal microwave dielectric performance: er = 7.21, Qxf = 90,829 GHz, tau f = -67 ppm/degrees C.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Ping Zhang, Manman Hao, Mi Xiao
Summary: Li3Mg2Nb0.96 (MxW1-x)(0.04)O-6 (M = Li+, Mg2+, Al3+, Ti4+) ceramics were prepared by solid-state reaction method, and the effects of equivalent substitutions on the sintering characteristics and microwave dielectric properties were investigated. The results showed that the substitution of ions had a significant impact on the dielectric constant and quality factor of the ceramics. Additionally, the study found that W-based composite ions substitution had a minor effect on the tau(f) values of Li3Mg2NbO6 ceramics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Ceramics
Jie Li, Haokai Su, Yahui Sun, Gang Wang, Feng Gao, Xuening Han, Zheng Liang, Qiang Li
Summary: In this study, Zn2+-substituted Li2MgSiO4 ceramics were synthesized using a solid-state method, with the addition of LiF sintering aid to improve their microwave dielectric properties. The substitution of Zn2+ ions increased grain size and uniformity, impacting the densification of the ceramics. Optimal bulk density and excellent microwave dielectric properties were achieved with a Zn2+ ion content of x=0.10.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Qin Zhang, Liangliang Xu, Xiaoli Tang, Huaiwu Zhang, Yingtang Zhou, Yulan Jing, Yuanxun Li, Yanan Liu, Hua Su
Summary: This study reports on the improvement of microwave dielectric properties and sintering characteristics of Zn1_xBixVxW1_xO4(x = 0-0.15)-based ceramics. Doping in an appropriate amount reduces the sintering temperature and enhances the microstructure densification and Qxf value. Structural parameters related to dielectric properties were systematically investigated, and the chemical bond characteristics were considered.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Kang Du, Changzhi Yin, Zhengyu Zou, Mingfei Cheng, Yiyang Cai, Jiaqing Yang, Meng Zhang, Wenzhong Lu, Shengxiang Wang, Wen Lei
Summary: Novel BaCa2M3O9 (M = Si, Ge) microwave dielectric ceramics were prepared via solid-state reaction and sintering, exhibiting triclinic structure and good microwave dielectric properties. Single-phase BaCa2Ge3O9 ceramic was synthesized for the first time and confirmed through Rietveld refinement and high-resolution transmission electron microscopy/selected area electron diffraction. The BaCa2M3O9 (M = Si, Ge) ceramics showed their microwave dielectric properties were influenced by factors such as relative density, ionic polarizability, relative covalence, and bond energy of M-O bond.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Ceramics
Qin Zhang, Hua Su, Xiaoli Tang, Yuanxun Li, Rui Peng, Xiaolin Jing, Yulan Jing
Summary: The investigation on the influence of Cu substitution on Li2Mg0.6Zn0.4SiO4 ceramics revealed that Cu substitution improved the stability and temperature stability of the structure, making the ceramics promising for microwave applications.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
Zheng Luo, Le Xin, Mingwei Zhang, Panpan Lyu, Luchao Ren, Zhengxin Li, Xinyuan Lyu, Xianxin Zhang, Ruihang Li, Jiwei Zhai
Summary: The (1-x) Ba0.5Sr0.5TiO3-xBi2MoO6 (x = 10, 20, 30, and 40 wt%) composite ceramics were synthesized and the effect of A-and B-site co-doping on the dielectric properties of the BST composite ceramics was investigated. Bi3+ ions acted as donors and Mo6+ replaced Ti4+, forming a (Bi & BULL;Ba + Mo & BULL;& BULL;Ti)-V & PRIME;& PRIME;Ba dipole for electrovalent equilibrium. The inclusion of Bi2MoO6 improved the dielectric properties of the composite ceramics, with the best properties observed at x = 30 wt%.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Huimin Cao, Ruyi Han, Bo Li
Summary: Co2+ substitution for Mg2+ in Mg2V2O7 changes the crystal structure from triclinic to monoclinic, leading to improved microwave dielectric properties. The Qxf values are significantly enhanced as grain size and packing fraction increase.
CERAMICS INTERNATIONAL
(2021)
Article
Engineering, Electrical & Electronic
Yujie Qian, Qin Zhang, Xiaoli Tang, Fangyi Huang, Yuanxun Li, Hua Su
Summary: The study investigates the sintering characteristics, microstructure, and microwave dielectric properties of low-temperature-fired ceramics. An optimal amount of Li2WO4 was found to improve the microwave performance of Li3Mg2NbO6, while excessive sintering aid led to the formation of secondary phases affecting dielectric properties. The sample with composition of 0.975 Li3Mg2NbO6-0.025Li2WO4 sintered at 925 degrees C showed desirable dielectric properties for potential applications in low-temperature co-firing ceramic microwave devices.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Metallurgy & Metallurgical Engineering
Jun Yin, Xi-Zhi Yang, Yuan-Ming Lai, Qin Zhang, Cong Qi, Xiao Li, Hua Su, Chong-Sheng Wu, Gang Jiang
Summary: Nominal compositions MgAl2-x(Li0.5Nb0.5)(x)O-4 (x=0-0.20) microwave dielectric ceramics were synthesized and studied for their crystal structural characteristics, crystalline phases, and microwave dielectric properties. The results showed the formation of a stable two-phase system consisting of MgAl2O4 and Mg5Nb4O15. The densification of the ceramics decreased with the increase of (Li0.5Nb0.5)(3+) content. The quality factor (Q(f)) was closely related to densification, packing fraction, and covalency, while the temperature coefficient of resonance frequency (& tau;(f)) was influenced by the bond valence of the Al-site. Among the compositions, MgAl2-x(Li0.5Nb0.5)(x)O-4 ceramic with x=0.04 exhibited optimum microwave dielectric properties with & epsilon;(r)=8.21, Q(f)=81600 GHz, and & tau;(f)=-94x10(-6) & DEG;C-1.
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2023)
Article
Chemistry, Multidisciplinary
Xinyuan Lyu, Luchao Ren, Le Xin, Zhengxin Li, Xianxin Zhang, Zheng Luo, Pengchao Shao, Yuxiao Zhang, Panpan Lyu, Mingwei Zhang
Summary: In this study, an interesting attempt was made to lower the sintering temperature of MgGa2O4 for LTCC application by adding CuMoO4. Through ion substitution, the composites demonstrated different sintering and dielectric properties. The 0.5MgGa2O4-0.5CuMoO4 ceramics sintered at 900 degrees C showed the best comprehensive performance, making it more suitable for practical application.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Yun Zhang, Xiaoning Li, Shihua Ding, Tianxiu Song, Zezhen Yin, Jiaying Dan
Summary: Ba1-xLixSi2O5-x/2 (x = 0-0.5) ceramics were prepared by solid-state reaction method. The occupation tendency of Li+ was explained based on First-principle calculation and unit cell volume changes. Li+ substitution for Ba2+ reduced sintering temperature and improved the structural characteristics, leading to enhanced Qxf and reduced dielectric constant er. Ba0.99Li0.01Si2O4.995 ceramic exhibited a high Qxf value of 25,518 GHz, with er and tfvalues of 6.94 and -29.46 ppm/℃, respectively.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Ceramics
Qin Zhang, Hua Su, Maofeng Zhong, Yuanxun Li, Xiaoli Tang, Yulan Jing
Summary: The Zn3-xCux(BO3)(2) ceramics exhibit excellent microwave dielectric properties, maintaining low permittivity even at higher Cu2+ contents, which is conducive to signal transmission speed. Proper Cu2+ substitution can significantly reduce dielectric loss associated with lattice energy.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Zhaohui Wang, Junqi Chen, Huaicheng Xiang, Liang Fang
Summary: By substituting Bi for Sm in garnet microwave dielectric ceramics, the sintering temperature can be decreased and the dielectric constant and Q x f value can be improved. The study on the influence of different Bi content on ceramic properties reveals that the best performance is achieved when x=0.3.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Electrical & Electronic
Ping Zhang, Yufei Wang, Youlei Ding, Mi Xiao
JOURNAL OF MICROMECHANICS AND MICROENGINEERING
(2018)
Article
Chemistry, Applied
Mi Xiao, Zebin Zhang, Weikang Zhang, Ping Zhang, Kuibo Lan
JOURNAL OF RARE EARTHS
(2018)
Article
Materials Science, Ceramics
Ping Zhang, Kexin Sun, Mi Xiao, Zhentai Zheng
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2019)
Article
Chemistry, Physical
Mi Xiao, Susu He, Jie Lou, Ping Zhang
JOURNAL OF ALLOYS AND COMPOUNDS
(2019)
Article
Materials Science, Multidisciplinary
Mi Xiao, Yanshuang Wei, Ping Zhang
MATERIALS CHEMISTRY AND PHYSICS
(2019)
Article
Engineering, Electrical & Electronic
Mi Xiao, Jiao Meng, Lei Li
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2019)
Article
Engineering, Electrical & Electronic
Mi Xiao, Susu He, Jiao Meng, Ping Zhang
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2019)
Article
Materials Science, Multidisciplinary
Ping Zhang, Kexin Sun, Shanxiao Wu, Mi Xiao
Article
Nanoscience & Nanotechnology
Mi Xiao, Yupeng Su, Meilian Zhao, Boxue Du
Article
Chemistry, Physical
Mi Xiao, Peng Zhang, Jie Lou, Yanshuang Wei, Ping Zhang
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Materials Science, Multidisciplinary
Mi Xiao, Susu He, Jiao Meng, Ping Zhang
MATERIALS CHEMISTRY AND PHYSICS
(2020)
Article
Engineering, Electrical & Electronic
Mi Xiao, Xuguang Wang, Haoran Ma, Wei Zhang
Summary: A novel water tree characterisation method based on CSRR was proposed for rapid and simple non-destructive testing in materials. The resonant frequency of CSRR was correlated to the dielectric constant of the materials and the lumped equivalent circuit parameters were calculated. Sensors based on CSRR were fabricated and used to detect water tree defects, showing feasibility in experimental results.
Article
Engineering, Electrical & Electronic
Mi Xiao, Xuguang Wang, Tao Liu, Wei Zhang
Summary: This article explores the detection ability of microstrip slot resonator for water and electrical tree defects in insulating samples. The characteristics of the microstrip gap resonator are analyzed using high-frequency electromagnetic simulation software. A gap capacitance extraction method based on two-port transmission theory is proposed, and the gap capacitances under different dielectric constants are analyzed using this method. Experimental results show that the sensor made of double-sided copper clad plate with medium FR4 is feasible for detecting water tree and electrical tree in low-density polyethylene (LDPE) samples.
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION
(2022)
Article
Electrochemistry
Mi Xiao, Xu Niu, Songyi Yang, Weixi Zhang, Tingwu Zhao
Summary: In this study, Co(OH)(2) nanosheets were successfully deposited on hydrothermally prepared MnCo2O(4.5) nanowires using the electrodeposition method to obtain the composite material MnCo2O4.5@Co(OH)(2). Comparative analysis showed that the performance of the composite material is significantly better than that of single MnCo2O4.5, thanks to the special ribbon-like structure and the synergistic effect of the two materials. The composite material not only improves the problem of insufficient electrical conductivity but also greatly enhances the energy storage capacity.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2022)
Article
Engineering, Electrical & Electronic
Mi Xiao, Songyi Yang, Meng Xiao, Weixi Zhang, Xinyue Du, Xinyu Hui, Xu Niu
Summary: In this study, NiCoSe2 electrode material was successfully synthesized on a nickel foam substrate using a one-step hydrothermal method with cetyltrimethylammonium bromide as a surfactant and ascorbic acid as a reducing agent. The addition of ascorbic acid promoted the reduction of selenium ions and facilitated the formation of NiCoSe2. A small-grained NiCoSe2 electrode was obtained with a high areal capacitance of 1600.7 mF cm(-2) at a current density of 2 mA cm(-2) in a three-electrode system when the dosage of ascorbic acid was 2 mmol. An asymmetric supercapacitor based on the prepared NiCoSe2 and activated carbon exhibited a high energy density of 0.116 mWh cm(-2), a power density of 1.619 mW cm(-2), and long cyclic stability of 83.7% after 4000 cycles. However, increasing the dosage of ascorbic acid resulted in a change in the microstructure of NiCoSe2 and a deterioration in its electrochemical properties.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Chemistry, Physical
J. Zamora, T. Bautista, N. S. Portillo-Velez, A. Reyes-Montero, H. Pfeiffer, F. Sanchez-Ochoa, H. A. Lara-Garcia
Summary: Experimental and DFT studies were conducted on the structural, magnetic, and optical properties of RFeO3 perovskites. The perovskites exhibited an orthorhombic crystal structure and weak ferromagnetic behavior. They were confirmed to be semiconductors with a bandgap of approximately 2.1 eV.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xianxiang Lv, Jing Jin, Weiguang Yang
Summary: By depositing TiN and TiO2 surface layers on AlSi films, the electrochemical performance of silicon-based anodes can be significantly improved, suppressing volume expansion and promoting the formation of a stable SEI layer.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Sharafat Ali, Haider Ali, Syedul Hasnain Bakhtiar, Sajjad Ali, Muhammad Zahid, Ahmed Ismail, Pir Muhammad Ismail, Amir Zada, Imran Khan, Huahai Shen, Rizwan Ullah, Habib Khan, Mohamed Bououdina, Xiaoqiang Wu, Fazal Raziq, Liang Qiao
Summary: The construction and optimization of redox-heterojunctions using a bifunctional phosphate as an electron-bridge demonstrated significant improvements in photo catalytic activity, including enhanced dispersion, reduced interfacial migration resistance, and increased abundance of active-sites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ren-Ni Luan, Na Xu, Chao-Ran Li, Zhi-Jie Zhang, Yu-Sheng Zhang, Jun Nan, Shu-Tao Wang, Yong-Ming Chai, Bin Dong
Summary: Extensive research has revealed that oxygen evolution reaction (OER) in alkaline conditions involves dynamic surface restructuring. The development and design of sulfide/oxide pre-catalysts can reasonably adjust the composition and structure after surface reconstruction, which is crucial for OER. This study utilized a simple two-step hydrothermal method to achieve in situ S leaching and doping, inducing the composition change and structure reconstruction of CoFe oxides. The transformed FeOOH and CoOOH exhibited excellent OER activity and could be easily mass-produced using low-cost iron based materials and simple methods.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jun'an Lai, Daofu Wu, Peng He, Kang An, Yijia Wang, Peng Feng, WeiWei Chen, Zixian Wang, Linfeng Guo, Xiaosheng Tang
Summary: Zero-dimensional organic-inorganic metal halides (OMHs) are gaining attention in the fabrication of light-emitting diodes due to their broad emission band and high photoluminescence quantum yield. This work synthesized a zero-dimensional organic tetraphenylphosphonium bismuth chloride (TBC) that showed efficient blue light emission, with the emission mechanism attributed to the transition of Bi3+ ions. White light-emitting diodes (WLEDs) were fabricated using TBC, along with green-emitting and red-emitting single crystals, achieving single-component white emissions. These findings demonstrate the different emission mechanism of ns2 ions-based OMHs and highlight the potential of bismuth-based OMHs in WLEDs applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xuewei Liang, Yunhai Su, Taisen Yang, Zhiyong Dai, Yingdi Wang, Xingping Yong
Summary: The revolutionary design concept of high-entropy alloys has brought new opportunities and challenges to the development of advanced metal materials. In this work, AlCrCuFe2NiTix high-entropy flux cored wires were prepared by combining the design idea of a high-entropy alloy with the characteristics of flux cored wire. AlCr-CuFe2NiTix high-entropy surfacing alloys were prepared using gas metal arc welding technology. The wear properties of the alloys were analyzed, and the phase composition, microstructure, strengthening mechanism, and wear mechanism were discussed. The results show that the alloys exhibit a dendritic microstructure with BCC/B2 + FCC phases. Increasing Ti content leads to the precipitation of Laves phase. The alloys show improved microhardness and wear resistance due to the precipitation of coherent B2 and Laves phases. However, excessive Ti addition results in the increase of Laves phase and reduced wear resistance of the alloys.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
M. Vadivel, M. Senthil Pandian, P. Ramasamy, Qiang Jing, Bo Liu
Summary: This work presents the enhanced photocatalytic and electrochemical performance of g-C3N4 assisted PAA on CoFe2O4 ternary nanocomposites. The incorporation of PAA and g-C3N4 improves the separation efficiency of photogenerated charge carriers, resulting in superior photocatalytic degradation and high specific capacitance values.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Vibhu T. Sivanandan, Ramany Revathy, Arun S. Prasad
Summary: In this study, pure and doped cobalt ferrite nanoparticles were prepared using the sol-gel auto-combustion method with the aid of lemon juice as eco-fuel. The crystal structure, lattice parameter, crystallite size, microstrain, optical parameters, and room temperature magnetic properties of the samples were analyzed. The effect of doping on the magnetic properties was also investigated.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qing Guo, Bowen Zhang, Benzhe Sun, Yang Qi
Summary: This study prepared ZnO films with various nonpolar preferred orientations using conventional chemical bath deposition method and characterized their growth process and mechanism. It was found that the type and concentration of nitrate could control the preferred orientation and surface roughness of ZnO films. Additionally, ZnO films with different preferred orientations exhibited different optical properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Chong Zhang, Yan Liu, Zhaoyan Wang, Hang Yang
Summary: In this study, six bimetallic FeCo particles were synthesized via the hydrothermal method at different Fe:Co ratios. The Fe:Co ratio not only modulates the composition of the particles but also influences their structure and magnetic properties. The FeCo alloys showed a transformation from an Fe-based structure to a Co-based structure with increasing Co content. The Fe:Co ratio of 1:1 and 3:1 resulted in particles with the highest and lowest saturation magnetization, respectively.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jianning Zhang, Jing Li, Yiren Wang, Xiaodong Mao, Yong Jiang
Summary: We conducted a study on the formation of ultra-fine Y-Ti-Ta-O nano-oxides in Ta+B micro-alloyed 13CrWTi-ODS alloys using electron microscopy and first-principles calculations. The Y-Ti-Ta-O nano-oxides were found to be mainly Y2(Ti,Ta)2O7, with an average size of 7 nm and a number density of 6.8 x 1023 m-3. Excess boron was found to enhance the adhesion of some low-sigma grain boundaries but weaken the Fe/Y2Ti2O7 interface, while excess tantalum enhanced the Fe/Y2Ti2O7 interface but caused serious degradation of grain boundaries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Yirong Fang, Pei Cheng, Hang Yuan, Hao Zhao, Lishu Zhang
Summary: A new composite system of nitrogen-doped reduced graphene oxide and black phosphorus quantum dots has been developed for tumor therapy, showing improved electrochemical properties and stability. The system generates hydrogen peroxide and hydroxyl radical to effectively kill tumor cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xiufang Qin, Yuanli Ma, Hui Zhang, Ting Zhang, Fang Wang, Xiaohong Xu
Summary: The structure and magnetism of cobalt ferrites after Mn2+-Tb3+ co-doping were studied. Co-doped samples exhibited cubic spinel structure and spherical shape of ferrite nanoparticles. The redistribution of Co2+ and Fe3+ ions between octahedral and tetrahedral sites was observed due to Mn2+-Tb3+ co-doping. The coercivity and magnetization saturation of co-doped samples were significantly improved, leading to a maximum energy product that is 190% higher than that of the un-doped sample.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ho Yeon Lee, Wonjong Yu, Yoon Ho Lee
Summary: Recently, there has been an increasing interest in developing ultra-fine nanostructured electrodes with extensive reaction areas to enhance the performance and low-temperature operation of solid oxide fuel cells. The use of a refined approach involving co-sputtering metal alloys and oxide targets has demonstrated the feasibility of nano-columnar structures in perovskite-based electrodes, expanding the temperature range of thin film electrodes. This study systematically examines the effects of chamber pressure control in the co-sputtering process and identifies the intricate relationship between sputtering pressure and film structure. By fine-tuning the columnar growth in the electrode, significant improvements in performance and thermo-mechanical properties were achieved, resulting in high-performance all-sputtered solid oxide fuel cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qianyun Bai, Xiaoxiao Yan, Da Liu, Kang Xiang, Xin Tu, Yanhui Guo, Renbing Wu
Summary: This study proposes a simple method to develop a non-precious transition metal-based electrocatalyst with high catalytic activity and robustness for the hydrogen evolution reaction. The as-synthesized electrode exhibits a low overpotential and high current density, indicating its potential in energy conversion.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)