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Weak ferromagnetism in morphotropic phase boundary of BiFeO3-based materials J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-14 N.D. Long, C.V. Ha, Q.N. Pham, E. Riviere, N. Tran, N.T.M. Hong, D.V. Karpinsky, L.T. Ha, P.T. Thanh, T. Six, P.M. An, P.T. Tho, N.Q. Hai
The weak ferromagnetism in BiFeO classically arises from the canting of the antiferromagnetically aligned Fe spins by the Dzyaloshinskii–Moriya (DM) interaction. Here, we observed an abnormally weak ferromagnetism in morphotropic phase boundary (MPB) compounds of BiFeO, which could not be fulfilled by sole DM interaction. The magnetic properties were studied for two different polymorphs of the rho
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Structural engineering of MoSe2 via interfacial effect and phosphorus doping incorporation for high energy density sodium ion storage J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-14 Kang Xu, Xin Wang, Yuhui Li, Zhefei Wang, Lixi Wang, Jun Yang, Qitu Zhang
Sodium-ion batteries (SIBs) are gaining increasing attention for the development of electrode materials due to their potential to alleviate the safety concerns and resource scarcity associated with lithium-ion batteries (LIBs). Based on this, the present work, built upon the electrospinning preparation of hollow carbon nanofibers (HCNFs), facilitated the in-situ growth of MoSe nanosheets on their surface
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Prussian blue analogue-derived ZnOCo@Nitrogen-Depleted g-C3N4(ND-CN) for lightweight and efficient electromagnetic wave absorption J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-14 Chengyong Ping, Xiaoyu Zhu, Ruiqi Wang, Yuxiang Jin, Ping Chen
The sustainable electromagnetic (EM) environment urgently needs the development of high-performance absorbers. This study involved synthesizing a series of ZnOCo@ND-CN (X) composites through in-situ depositing Prussian blue analogue (Zn[Co(CN)]) on varying amounts of Nitrogen-Depleted g-CN (ND-CN), followed by carbonization. Adjusting the amount of ND-CN in the composites can effectively regulate the
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Correlating Oxygen Reduction Activity of N, S-co-doped Carbon with the Structures of Dopant Molecules J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-14 Yingna Chang, Jiawei Li, Tian Zhang, Jindi Wang, Danni Wang, Yu Liu, Miaosen Yang, Rong Xing, Guoxin Zhang
Developing metal-free carbon electrocatalysts with atomically precise structures of hetero-doping is crucial for inventing reliable alternatives to precious metal-based catalysts. Our study reveals that the optimal active site is the edge-exposed N-neighbored carbon site in a chained N--C-S structure. Carbon material with N--C-S functional doping is controllably synthesized through polymer dehalogenation
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rGO/In2O3 heterostructures based gas sensor for efficient ppb-level n-butanol detection J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-14 Qi Zhao, Zihan Liu, Ziyue Xu, Bowen Li, Siqi Yang
The real-time and effective detection of n-butanol gas is particularly important in production and daily life due to its flammability, toxicity, and potential hazards to the environment. This article reports the preparation of hollow indium oxide spheres and rGO/InO composites through a simple hydrothermal and subsequent heat treatment method. Test results indicate that the gas sensitivity of n-butanol
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Thermal stability and oxidation resistance of Ti0.22Al0.74Si0.04N coating synthesized by chemical vapor deposition J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-14 Liying Wu, Lianchang Qiu, Fangfang Zeng, Qiang Lu, Nina Schalk, Liyong Chen, Lei Yin, Zhiqiang Zhong, Yong Du
Addition of Si is known as an effective way to improve the thermal stability and oxidation resistance of TiAlN coatings. In this study, we focused on the thermal stability and oxidation resistance of a TiAlSiN coating which was deposited on cemented carbide substrate by low pressure chemical vapor deposition (LPCVD). According to X-ray diffraction (XRD), the phase composition of the as-deposited coating
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Mixed metal oxide-based binder-free electrode and redox additive electrolyte combination for enhanced supercapacitor performance J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-13 Arunpandiyan Surulinathan, Hariharan Gubendran, Bharathi Sambandam, Sasikala Ganapathy, Arivarasan Ayyaswamy
In this study, a novel CoO/CeO nanocomposite for supercapacitors was fabricated through a one-step hydrothermal method, to achieve distinct crystalline phases and a unique flower-like structure. Integrated into a binder-free electrode (BFE) on Ni foam, the CoO/CeO@NF electrode outperformed individual CoO and CeO-based electrodes. The synergistic effect between CoO and CeO, enhances the overall surface
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Enhanced soft piezoelectric properties of Sb2O3 doped 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 materials J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-13 Tae Wan Kim, Gwangseop Lee, Masaya Ichimura, Jung-Hyuk Koh
In this paper, we have studied the soft piezoelectric properties of 0.5Ba(ZrTi)O-0.5(BaCa)TiO doped with SbO. The optimal piezoelectric charge constant and dielectric permittivity of the calcined and sintered 0.5Ba(ZrTi)O–0.5(BaCa)TiO were determined by varying the SbO content. The mol% of SbO was set to 0, 0.05, 0.1, 0.15, and 0.2, and the doped ceramics were sintered at a temperature of 1475 °C.
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Research progress on lithium-rich cathode materials for high energy density lithium-ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-13 Wanquan Yu, Chenchen Li, Yuyun Li, Jin Yan, Hanjing Yu, Xinyu Zhou, Yaoqiang Ma, Huiying Kan, Qi Meng, Peng Dong
The rapid development of lithium-ion batteries (LIBs) has been a great driving force for the progress of human society. The continuous development of electric vehicles, power grids, electronic products and other industries all have an increasing demand for high energy density batteries. The primary factor limiting the development of LIBs that have high energy and low cost is the cathode material. In
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Effect of Ni addition on the microstructure, conductivities and mechanical properties of as-cast Al-Fe alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-13 Luman Qin, Peng Tang, Sixuan Meng
In this study, the microstructure, conductivity and mechanical properties of as-casted Al-1Fe-xNi (x= 0, 1, 4, 6 and 10, wt%) alloys were systematically investigated. The results exhibited the Al-1Fe-xNi alloys mainly consist of α-Al, AlFe, AlNi, and AlFeNi phase. With the increase of Ni addition, the size of α-Al grain decreases and the dimension of AlFeNi phase increased. The hardness of the as-cast
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Cs3Cu2I5 perovskite nanocrystals embedded in room temperature curable deep eutectic solvents for sensing NH3 gas J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Qiaowen Zheng, Yanmei Zhou, Jiarong Huang, Heng Lu, Shaoru Wu, Junying Zhang, Yishan Li, Wenping Hong, Xiaohong Tan, Jinming Lin, Qiang Chen, Feiming Li, Zhixiong Cai, Maosheng Zhang
Cu-based perovskite nanocrystals (NCs) have received great interest as alternatives to lead-based perovskite NCs due to their unique advantages of resource abundance and being environmentally friendly. However, the issue of their inherent low luminous efficiency has limited the application of fluorescence sensing fields. In this work, a highly sensitive fluorescence sensor based on Cu-based perovskite
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Overcoming the strength-ductility tradeoff of a 3D-printed Al-Si alloy by equal channel angular pressing J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Jairo Alberto Muñoz, Louis Huvelle, Alexander Komissarov, Martina Avalos, Raúl E. Bolmaro, Yuntian Zhu, José María Cabrera
The integration of additive manufacturing and severe plastic deformation has produced an Al-Si alloy with superior mechanical properties. The novel processing pathway effectively avoids strength-ductility trade-off, resulting in an elongation increase of three times while maintaining a comparable yield strength to that of the original condition. The implementation of an intermediate annealing heat
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Novel spinel based high entropy oxide as electrode for symmetric SOFCs J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 V. Prabhahari, R. Praveena, K. Suresh Babu
Fabrication of symmetric electrodes for intermediate temperature SOFCs can significantly reduce fuel cell production costs without compromising efficiency. Herein, we report a novel spinel based high entropy oxide (CuLiFeCoNi)MnO (CM-HEO) that exhibit better symmetric electrode properties than the parent spinel oxide, CuMnO (CM). The prepared HEO exhibited good structural and thermal stability up to
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Microwave Absorption Properties and Mechanism Analyses of Core-Shell Structured High-Entropy Oxides Coated with PPy J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Fei Zhang, Lijun Wu, Kai Sun, Yanhua Lei, Pengtao Yang, Hui Liu, Xiaosi Qi, Runhua Fan
For HEO@PPy composites, there are mainly eddy current loss and hysteresis loss in the high-entropy oxides. For the effect on the magnetic loss performance, it is weakening for Fe, Ni, and Co successively. The composite of HEO(1)-FeNi@PPy has the largest reflection loss with a minimum value of -32.04dB and an effective absorption bandwidth of 5.8GHz, and the corresponding thicknesses are almost the
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Influence of Deposition Potential and Substrate Characteristics on the Photovoltaic Conversion Efficiency of p-SnS Absorbing Layers J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Amira BEN HJAL, Luca PEZZATO, Elena COLUSSO, Giulia BRAGAGGIA, Noah TORMENA, Nicola TRIVELLIN, Khaled ALOUANI, Manuele DABALA, Katya BRUNELLI
In this study, thin films of tin sulfide (SnS) deposited on indium-doped tin oxide (ITO) and fluorine-doped tin oxide (FTO) substrates using Sn-S electrodeposition were systematically investigated. Notably, a novel non-toxic sulfur precursor was employed, emphasizing its role in ensuring the safety and environmental friendliness of the synthesis process. The research was focused on the influence of
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Microstructure evolution and mechanical property enhancement of friction stir additive manufactured Ti6Al4V alloy J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Jie YAO, Liubing CHEN, Guoqing DAI, Yanhua GUO, Wenya LI, Hui CHANG, Zhonggang SUN, Lian ZHOU
Friction stir additive manufacturing (FSAM) is a promising and cost-effective technology that has found extensive applications in the fabrication of lightweight alloy components, particularly aluminum and magnesium. However, the exploration of FSAM for titanium alloys is still at an early stage. In this study, the microstructure evolution and mechanical properties of the dual-phase Ti6Al4V alloy fabricated
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Performance and mechanism of magnetic Fe3O4@MnO2 catalyst for rapid degradation of methylene blue by activation of peroxymonosulfate J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Yixing Gao, Wenping Cao, Kaixuan Wang, Hangyu Shi, Shumin Wang, Qingnan Meng, Keqin Du, Chuan Wang, Junliang Lin
A flower ball shaped magnetic FeO@MnO core-shell catalyst has been synthesized and the average diameter is about 135~180nm. The FeO@MnO (140.6 m g) showed a larger specific surface area than FeO (64.6 m g) due to the thin film like nature of MnO. The FeO@MnO exhibited a great degradation performance for methylene blue (MB, 20mgL, pH=7) after the addition of peroxymonosulfate (PMS, 0.18gL) when the
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The role of graphene interlayer slipping on the deformation behavior of graphene/copper composite J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Jiani Yu, Lidong Wang, Bin Shao, Yingying Zong
In recent years, graphene/copper (Gr/Cu) composites have shown great potential in various fields. In practical applications, graphene can influence the microstructure of metal materials during deformation, and therefore change their macroscopic properties. Hence it is very important to study the deformation behavior of graphene in metals. In this study, a comparative investigation was undertaken between
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A radar-infrared compatible stealth metamaterial with bird 's nest morphology J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Jian Ma, Yangyi Shi, Qingya Meng, Boyi Yao, Jiayun Wang, Junping Duan, Binzhen Zhang, Yang Liu
The rapid development of detection technology, the technology with radar infrared compatible stealth function has become one of the important ways to improve the survivability of weapons and equipment. However, the two stealth mechanisms of radar stealth and infrared stealth are mutually exclusive. In this work, a multilayer radar-infrared compatible stealth metamaterial is presented based on SiO fiber
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Study of the properties of LiAlO2-coated spinel LiMn2O4 prepared by a one-step liquid-phase method J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Shi Ren-ji, Jiang Jian-bing
The LiMnO@xLiALO (0, 0.5 %, 1 %, 2 %, 3 %) cathode material of LiMnO coated with LiAlO was prepared by an optimized liquid phase coating process, namely one step liquid phase method, and its electrochemical properties were tested, characterized by SEM, TEM, EDS, XRD, etc. The results showed that: After coating, a layer of dense LiAlO coating is formed on the surface of the material, the shape of the
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Fabrication of graphene-incorporated tin-niobate-doped zinc oxide for highly enhanced photocatalytic hydrogen evolution and degradation J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Annamalai Raja, Namgyu Son, Misook Kang
This study focuses on designing, synthesizing, and characterizing an innovative graphene-based SnNbO-ZnO. Ternary SnNbO-ZnO with graphene is added to a catalyst, enhancing the efficiency of visible-light photocatalytic hydrogen (H) evolution and ciprofloxacin (CIP) degradation in an aqueous solution. It also facilitates easier charge transfer and control over electron-hole recombination between light-harvesting
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Challenges to Li7La3Zr2O12 System Electrolyte and the Modification: from Powder to Ceramic J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Yiyang Xiao, Juanyu Yang, Ning Wang, Xiaobao Zhang, Shiang Liang, Huan Zhao, Du Lei, Jun Chen, Xiaowei Huang
The solid-state electrolyte LiLaZrO(LLZO) system exhibits high ionic conductivity, good resistance to lithium filament growth, exceptional chemical stability with electrode enabling the direct use of lithium metal as an anode, thereby enhancing the energy density of batteries. Solid-state battery using LLZO electrolyte from powder to ceramic forms, holds promise as a replacement for traditional Li-ion
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Regulation of morphology and particle size of spinel LiMn2O4 induced by Fe-B co-doping for high-power lithium ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Mei Yang, Jiao Ma, Ling Xia, Yujiao Guo, Xiaofang Liu, Wei Bai, Mingwu Xiang, Junming Guo
The spinel LiMnO cathode material shows severe capacity degradation due to Jahn–Teller distortion and dissolution of Mn during the charge-discharge process. Herein, a series of single crystal truncated octahedral of LiFeBMnO (0≤x≤0.10) were synthesized by simple solid-state combustion combined with Fe-B co-doping, morphology and particle size controlling strategy. Through Fe-B co-doping, not only the
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Enhancing air stability of LiMg alloy anode through Yb segregation at grain boundaries J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Liubo Li, Yunlong Deng, Jinxiang Deng, Ming Wang, Peng Xiao, Handong Li, Liping Wang, Haining Ji, Xiaobin Niu, Jian Gao
Owing to the ultrahigh theoretical specific capacity and the most negative electrochemical potential, lithium metal has become the most promising lithium battery anode material. However, it is highly susceptible to oxidation during industrial production and storage processes. The polycrystal surface of the lithium metal anode serves as the site for oxidation reaction, and the reaction pathway is inevitably
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Strategy to solve the thermal issue of ultra-wide bandgap semiconductor gallium oxide field effect transistor J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Dinghe Liu, Yuwen Huang, Zeyulin Zhang, Zhe Li, Yiru Yan, Dazheng Chen, Shenglei Zhao, Qian Feng, Jincheng Zhang, Chunfu Zhang, Yue Hao
Gallium Oxide (GaO) holds significant potential for the next generation of electronic devices following SiC and GaN due to its ultra-wide bandgap of approximately 4.5 eV - 4.9 eV and high theoretical critical breakdown field strength of 8 MV/cm. Nonetheless, GaO has a naturally low thermal conductivity, resulting in limited device output performance and hindering GaO devices from reaching their full
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Selective construction of amorphous/crystalline heterostructure high entropy oxide for Li-ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Hengming Yang, Qingchun Chen, Junchao Zhu, Guoquan Jiang, Linxin He, Nan Qiu, Yuan Wang
High entropy oxides (HEO) are widely used as anode for lithium-ion batteries due to their exceptional chemical stability and mechanical strength. However, HEO encounters challenges such as low initial coulomb efficiency (ICE) and poor capacity. To address these issues, a simple mechanochemical method is employed to selectively amorphized and densely embed LiF within the HEO matrix. Taking advantage
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In-situ preparation of porous metal-ceramic composite from secondary aluminum dross and red mud for adsorption of organic pollutant J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-12 Bingjie Lou, Hanlin Shen, Bo Liu, Junjie Zhang, Xiaoyan Zhang, Jun Liu, Shengen Zhang
Secondary aluminum dross (SAD) and red mud (RM) are solid waste discharged from aluminum industry. SAD contains 10–25 wt% aluminum nitride (AlN) and RM contains 20–50 wt% iron oxide. In this work, porous metal-ceramic composite was in-situ made from SAD and RM. Iron oxide was reduced into FeSi by AlN, and the generated nitrogen created pores. It was studied that effect of raw material and thermal treatment
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Study on blue and white electroluminescence based on Ga2O3 composite films J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Feng-Di Xu, Xiao-Ping Wang, Li-Jun Wang, Jing-Chun Wang, Bing-Chao Zhao
Diamond/GaO composite film (DGCF) and diamond/SiO/GaO composite film (DSGCF) were prepared on heavy doped n-type silicon substrate by integrating GaO with diamond and SiO. DGCF structure electroluminescence (EL) devices use the electron acceleration and local electric field enhancement characteristics of diamond thin film to excite GaO and obtain blue EL, while DSGCF structure EL devices show brighter
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Formation and significance of topologically close-packed Laves phases in refractory high-entropy alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Farzaneh Zareipour, Hamed Shahmir, Yi Huang
Refractory high-entropy alloys (RHEAs) inherently have a high potential to form topologically close-packed (TCP) Laves phases. Phase engineering to control the amount and type of TCP-Laves phases plays an important role in physical and mechanical properties of RHEAs. The present investigation addressed key parameters to TCP-Laves phase formation in RHEAs by considering thermodynamic calculations and
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Effect of La3+and Al3+ doping on the crystal structure and magnetic properties of strontium hexaferrites J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Jae-Young Choi, Youn-Kyung Baek, Jung-Goo Lee, Yang-Do Kim, Young-Kuk Kim
Modification of crystal structure and magnetic properties of M-type strontium hexaferrites (SrM) doped with foreign ions (Al, La) was studied, focusing on the distortion of the lattice. Incorporation of Al ions contracted the lattice of SrM and hardened lattice vibration modes with lattice disorders. X-ray diffraction examined the lattice distortion of FeO trigonal bipyramidal sites (TBP) revealing
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Magnetic properties, phase diagram and low-temperature specific heat of Ni50Mn50-xSbx alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Anna Kosogor, Rie Y. Umetsu, Vladimir Golub, Xiao Xu, Ryosuke Kainuma
This study examines the magnetic properties and temperature-composition phase diagram of the NiMnSb alloys. The addition of Sb into the antiferromagnetic NiMn alloy introduces ferromagnetic interaction, resulting in a sudden decrease in the Néel temperature. The characteristic regions of ferromagnetic (FM) and antiferromagnetic (AFM) interactions were determined on temperature-composition phase diagram
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Design of Bifunctional Synergistic NiMoO4/g-C3N4 Nanocomposite for the Augmentation of Electrochemical Water Splitting and Photocatalytic Antibiotic Degradation Performances J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Paranthaman Vijayakumar, Vijayan Paranthaman, Prajindra Sankar Krishnan, A. Raja, Sakthivel kumaravel, S. Mullai Venthan, V. Siva, Govindasamy Palanisamy, Jintae Lee, Mohd Afzal
Developing cost-effective and efficient electrocatalysts across a wide pH range poses a significant challenge in electrochemical water splitting for energy generation. Designing nanocomposites with well-tuned interfaces can significantly boost electrocatalytic performance. Here, we present an effective and durable g-CN (CN) modified NiMoO (NM) electrocatalysts coated on nickel foam (NF) for maximizing
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Aqueous synthesis of photoluminescence enhanced CuInS2/ZnS quantum dots via the facile hot injection growth of AgInS2 interlayer J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Zhiyan Piao, Dan Yang, Zizhao Fu, Haiyang He, Zhongjie Cui, Hanxu Lu, Yuanyuan Chen, Shiliang Mei, Wanlu Zhang, Ruiqian Guo
In this study, the hot injection of Ag ions to enhance the PL performance of aqueous-phase CuInS/ZnS quantum dots (QDs) via the formation of AgInS interlayer is first developed. Different amount of Ag doping by hot injection realizes the precise tuning of the peak wavelength from 649nm to 684nm, while the photoluminescence quantum yield is also improved from 14.79% to 26.8% due to the formation of
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Reply on the published work”Comments on the paper “Fabrication and physical characteristics of K/W double doped BiFeO3 complex electro-ceramic; (Bi1/2K1/2)(Fe1/2W1/2)O3” Journal of Alloys and Compounds 977 (2024): 173434 J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Sudhansu Sekhar Hota, Debasish Panda, Ram Naresh Prasad Choudhary
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S-doped Yttrium Ruthenate Pyrochlore catalyst for Efficient Electrocatalytic Oxygen Evolution in Acidic Media J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Rongzhong Yang, Qi Hao, Jianan Zhao, Cong Lei, Shujie Xue, Fadong Miao, Wenbing Tang, Qinghong Huang, Jing Wang, Yuping Wu
The sulfur-doped yttrium ruthenate pyrochlore catalysts was synthesized by simple hydrothermal method and exhibits excellent OER activity and stability under acidic conditions. Remarkably, the YRuOS-0.17 catalyst reaches a current density of 10mAcm with only 237mV and remains stable during 30hours of electrolysis. In contrast, the original YRuO and commercial RuO require 282mV and 365mV, respectively
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Enhanced densification of ultrafine Ti(C, N)-based cermets based on grain-growth induced liquid-phase pore filling mechanism J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Sheng-Jian Zhou, Jia-Hu Ouyang, Yong-Bo Yu, Yu-Jin Wang, Lei Chen, Zhan-Guo Liu, Yu Zhou
The composition complexity of Ti(C, N)-based cermets poses a great challenge to the controllability of their sintering process. The effects of both refractory TaC addition and original particle size of starting materials on densification behavior and microstructural evolution of Ti(C, N)-based cermets were investigated during liquid phase sintering. The particle rearrangement only plays a very limited
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One-step aerosol synthesis of iron nanoparticles coated single-walled carbon nanotubes (Fe@SWCNT) for multifunctional composite textiles with electromagnetic interference shielding properties J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Jun Cao, Zhao Zhang, Yuanlong Ding, Jiangning Fan, Yongtao Yu, Haohao Dong, Jun Yan, Hong Li, Ying Wang, Yongping Liao
Single-walled carbon nanotubes (SWCNTs) based nanocomposites demonstrate remarkable electromagnetic interference (EMI) shielding potential. However, the efficient and rapid fabrication of SWCNT-based nanocomposite remains a technical challenge. This study successfully one-step synthesizes iron (Fe) nanoparticle-enriched SWCNTs (Fe@SWCNT) using the floating catalyst chemical vapor deposition (FCCVD)
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Effect of pretreated Al-Si alloy powder on the microstructure and properties of Al2O3-SiC-C castables for iron runner J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Tu Long, Huazhi Gu, Meijie Zhang, Ao Huang, Qingzhu Jiang, Lvping Fu, Ding Chen, Jianlei Cao, Libei Li, Wendong Qiu
In ferrotitanium slag-based AlO-SiC-C castables, owing to the presence of more impurities in the ferrotitanium slag, the liquid content at high temperatures is extremely high, which reduces the performance of the material. In this study, the Al-Si alloy powder was hydrated, and then pretreated Al-Si alloy powder (PASAP) was used to replace Si powder and micro-silica to reduce the content of liquid
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Highly luminescent CsPbX3@MIL-53(Al) nanoarchitectonics with anomalous stability towards flexible emitting films J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Cong Xie, Xiao Zhang, Wenbin Shi, Ping Yang
The poor stability of perovskite nanomaterials exposed in high temperature, moisture, light radiation, and polar solvent conditions severely restrict their commercial application. To address this issue, the growth in situ of CsPbX (X = Cl, Br, I) nanocrystals (NCs) is carried out by using the stable aluminum (Al)-based metal-organic frameworks to create CsPbX@MIL-53(Al) composites. Compared with pristine
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Design of metallization layers for PZT piezoelectric ceramics and joining to 4J29 Kovar alloy J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Bo Zhou, Ziyan Zhao, Hui Zhang, Xuejian Liu, Zhengren Huang, Yan Liu
To enhance the bonding strength of PZT ceramics/4J29 Kovar alloy joints, the metallization layers on PZT ceramics were strategically designed, fabricated, and optimized. Subsequently, the metallized PZT ceramics were successfully joined with the 4J29 Kovar alloy using Sn-3.0Ag-0.5Cu (SAC305) solder. In this study, the wetting behavior, joining mechanism and the effect of metallization layers thickness
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Dual-complexing agent dominated synthesis of carbon coated Na3V2(PO4)3 cathodes for high-performance sodium ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Yun Zhao, Yongtao Zhang, Yong Li, Canliang Ma, Xingguo Qi, Gaoyi Han
The currently prevailing single complexing agent-dominated sol-gel technologies for NaV(PO) (NVP) cathodes in sodium-ion batteries (SIBs) always result in limited modification effects, especially in regards to the particle size of NVP and the quality of carbon coatings. Herein, we report a citric acid and glycine co-complexed strategy for fabricating carbon-coated NVP. It creates a favorable synergy
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Substitution preferences of phosphate in gypsum: An experimental and DFT simulation study J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Zhiqi Zhang, Zhong Tao, Yi Zhang, Lei Wu, Zhiman Zhao, Haixiang Xu
Phosphogypsum (PG), a solid waste produced from the wet process of phosphoric acid production, primarily contains impurities such as phosphates. Understanding how phosphates exist is crucial for the purification and resource utilization of PG. This study employs Energy Dispersive X-ray Spectroscopy (EDS), Fourier Transform Infrared Spectrometer (FTIR), X-ray diffraction (XRD), and Density Functional
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A stable flow hydrogen production of sodium borohydride hydrolysis using millimeter-scale Ru/Al2O3 spheres as catalyst J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Lijun Lei, Lei Zhang, Weidi Wang, Dihao Zhou, Wei Fan, Run Zou, Xiaojun Zhang, Zhao Zhang, Yi Zhang
In this study, we investigated the performance of continuous flow hydrogen production from NaBH hydrolysis by loading Ru onto millimeter-scale AlO spheres (0.5–1 mm in diameter) (Ru/m-AlO) using a simple impregnation method. The results from transmission electron microscopy (TEM) and N adsorption and desorption revealed that Ru particles, with an average size of 2.73 nm, were evenly distributed on
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Construction of ZIF-67 derived multi-interfacial composites embedded in carbonized pomelo peel for enhanced microwave absorption with 8 wt% filler loading J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-11 Hao Wang, Jiarui Zhao, Zhen Wang, Zuhao Shi, Neng Li
The development of lightweight, environmentally friendly, and cost-effective microwave absorbers with robust absorption capabilities represents a challenging yet imperative undertaking. Herein, we present a methodology wherein derived ZIF-67 (abbreviated as Co/C) embedded in carbonized pomelo peel (CPP) through a combination of pyrolysis and in-situ growth methods, demonstrates effectiveness in microwave
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Synergistic design of high-performance symmetric supercapacitor based on iron oxide nanoplatelets/COOH-MWCNTs heterostructures: DFT computation and experimental analysis J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-10 Sayed R.E. Mohamed, Ahmed S.A. Mohammed, Ossama I. Metwalli, S. El-Sayed, Gomaa Khabiri, Abdelwahab Hassan, Kai Yin, Sameh O. Abdellatif, Nieves López-Salas, Ahmed S.G. Khalil
Here, we employed facile methods to develop a symmetric supercapacitor based on a heterostructure consisting of iron oxide (III) (hematite) nanoplatelets dispersed on carboxyl-functionalized multiwalled carbon nanotubes (FeO/COOH-MWCNTs). The FeO/COOH-MWCNTs supercapacitor effectiveness was evaluated using a 3-electrode system, demonstrating an outstanding specific capacitance of 250F/g at 1A/g and
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Structural and magnetic properties of YNi4-xCoxSi alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-10 W. Hanggai, N.H. van Dijk, E. Brück
The transition-metal based alloy system YNiCoSi shows a second-order ferromagnetic-to-paramagnetic transition near room temperature. Here, the magnetic structure, the magnetocaloric properties and the magnetic anisotropy of YNiCoSi ( = 0–4) are investigated. For = 3.5, 3.75 and 4.0 a Curie temperature near room temperature is observed with = 250, 283 and 310 K, respectively. In orientated YNiCoSi powder
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MXene/BC@CoFe2O4 aerogel with excellent electromagnetic interference shielding and enhanced mechanical property J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-10 Ze Wu, Tao Yang, Youqiang Xing, Peng Huang, Bingjue Li, Lei Liu
As electromagnetic radiation gradually increases, electromagnetic shielding becomes increasingly crucial. In the field of electromagnetic interference shielding, MXene aerogels have gradually attracted attention. However, the applicability of MXene aerogels is limited due to their poor mechanical and electromagnetic shielding capabilities. To address these issues, a hybrid aerogel, MXene/BC@CoFeO,
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Engineering metal oxide heterostructures derived from MOFs/MXene hybrids as efficient acetone sensor J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-10 Dandan Huang, Hairong Li, Weining Liu, Xi Tan, Mingyang Zhao, Guohan Liu
Acetone, one of the most used solvents in industry and the laboratory, can anesthetize the central nervous system of humans and cause damage to the kidneys, pancreas, and liver. For the purpose of monitoring the leakage and concentration of acetone, α-/γ-FeO/TiO-X (α-/γ-FeO-X) materials were successfully manufactured by in-situ solvothermal and calcination processes. Here, MIL-100-derived porous α-/γ-FeO
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Microstructure and mechanical properties of high relative density Ti-48Al-1Fe alloy using irregular blend powder J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-09 Hanlin Wang, Ce Zhang, Yu Pan, Ronghui Yin, Jiazhen Zhang, Xin Lu
Conventional pressing and sintering methods provide difficulties in achieving high density for PM TiAl alloys. The Ti-48Al-1Fe alloy was prepared via vacuum pressure-less sintering, and the microstructure evolution and mechanical properties during the sintering densification process of the mixed powder system were investigated. The results shows that the density of the mixed powder reached 98.3 ± 0
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Synergetic catalytic regulation of nitrogen doped NiS2/CoS2 heterostructure for polysulfide immobilization in Li-S batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Liyuan Shen, Guixin Zhang, Xinmeng Yu, Xiaorong Chen, Yazhu Chen, Xiaoting Chen, Hongqiang Wang, Qingyu Li, Zhaoling Ma
The sluggish kinetics of sulfur species conversion and the shuttle effect in lithium-sulfur batteries are severely hindered in practical applications. Herein, we propose nitrogen doped NiS/CoS heterostructure supported on CNT (N-NiS/CoS/CNT) by simple thiourea pyrolysis served as electrocatalyst functionalized on PP separator. The new formed M-N bonds on N-NiS/CoS/CNT motivate the catalytic activity
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Chemical surface modification for the preparation of MgO cladding to enhance magnetic properties of Fe-Si-Nb-B-Cu nanocrystalline soft magnetic composites J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Jibiao Shen, Bin Wang, Zesheng Zhang, Bingxing Wang, Lidong Liu, Lingwen Cai, Yangdong Yu, Yong Tian, Jiangqun Dong, Guodong Wang
This study employed chemical synthesis and decomposition techniques to fabricate MgO insulation coating on the surface of nanocrystalline soft magnetic powder. It was found that this coating effectively suppresses the time lag effect in the magnetization process of soft magnetic materials under high-frequency alternating magnetic fields, consequently reducing the overall losses of soft magnetic composite
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Large Reduction in Band Gap and Conduction Mechanisms in Bi0.5Na0.5TiO3-based Ceramics with a Sizable Polarization J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Jianming Deng, Mancong Huang, Shuyuan Wu, Biao Zhang, Yifeng Han, Laijun Liu, Weiping Gong
Low band gap ferroelectrics that exhibit high polarization at ambient conditions are highly desirable for achieving efficient charge carrier separation in photovoltaic applications. In this work, a well-designed Co/Nb-modified BiNaTiO system (1-)BiNaTiO-CaCoNbO with =0.00-0.20 offers a platform with the characteristics of low band gap and high ferroelectric polarization simultaneously. A structural
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Zn mixed CeO2 nanoparticles: Enhancement of NO2 gas sensing performance J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Tanaji M. Nimbalkar, Sujit A. Kadam, Yuan-Ron Ma, Atul C. Khot, Manickam Selvaraj, Zubair Ahmad, Vikas B. Patil
Nitrogen dioxide (NO) is highly noxious and detrimental to both human health and the natural environment, making it imperative to create a sensor capable of detecting NO gas. In this paper, we demonstrate the fabrication of zinc mixed cerium oxide (CZ) nanoparticles (NPs) sensor using a simple chemical route. The compositional, structural, morphological, and gas sensing characteristics of prepared
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Barium concentration controlled phase evolution in molecular solution processing of Cu2BaSnS4 thin films for solar cells with improved optical and electrical properties J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Jyoti, Bhaskar Chandra Mohanty
Recently, CuBaSnS (CBTS) has emerged as a leading candidate to improve cationic ordering, which limits performance of solar cells, in CuZnSnS (CZTS) absorber layers. While non-toxic solution based approaches appear very attractive for the deposition of the CBTS layers, the formation of secondary phases stemming from poor control of composition must be suppressed. While preparing CBTS thin films from
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Downshifting photoluminescence of Erbium doped NaSrZrO3 for solid-state lighting J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 A. Nathan-Abutu, I. Ahemen, R.E. Kroon, A. Reyes-Rojas
The synthesis of novel nanophosphors exhibiting unique morphologies with high purity, stability, eco-friendliness, and a high color rendering index is crucial to meet the demands of contemporary solid-state lighting energy devices. In this investigation, we successfully synthesized NaSrZrO:Er perovskite nanophosphors. All samples manifested an orthorhombic structure. The crystallite size was observed
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Synthesis and upscaling of silicon nanoparticles for lithium-ion batteries in a hot-wall reactor J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Moritz Loewenich, Hans Orthner, Patrick Wollny, Irenaeus Wlokas, Stefan Bade, Julia Lyubina, Hartmut Wiggers
Small amounts of silicon are currently used to partly replace graphite as anode material in lithium-ion batteries to increase their energy density and fast charging capability. Ensuring mechanical integrity during charging and discharging as well as the production of suitable silicon-based materials on a large scale at acceptable costs still remains a challenge. In this work, the formation of silicon
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Unravelling the catalytic activity of copper cobalt oxide - nickel cobalt oxide composites for efficient counter electrode performance in DSSCs J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 V. Saranya, S. Athithya, Sivalingam Muthu Mariappan, M. Navaneethan, J. Archana
Undoubtedly, the counter electrode (CE) plays a dominant role on the power conversion efficiency (PCE) of Dye Sensitized Solar Cells (DSSCs), as it regenerates the redox couple and responsible for the continuous activity of the device. Yet, the conventional platinum CE is highly expensive and needs to be replaced with equivalent material to achieve low-cost devices. Aiming this we have fabricated DSSCs
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Zero-thermal-quenching broadband yellow-emitting Bi3+-activated phosphors based on metal to metal charge transfer J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Ke Chen, Peixin Gao, Zengtao Zhang, Yibiao Ma, Zan Luo, Maxim S. Molokeev, Zhi Zhou, Mao Xia
Bi-activated phosphors have been proven to have potential applications foreground in white light-emitting diodes (WLED), plant growth lamps and temperature sensing. Therefore, it is urgent to exploit high-efficiency Bi-activated phosphors. Herein, a novel broadband yellow-emitting phosphor BaGdGaO:Bi with high internal quantum efficiency (IQE = 77%) was obtained based on metal to metal charge transfer
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The relationship between deformation mechanisms and mechanical properties in nanocrystalline Cu/Ag-bilayer alloy J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Pengtao Li, Chenxi Zhao, Yihui Jiang, Fei Cao, Peng Xiao, Yutong Song, Ziyang Hong, Siwen Gou, Shuhua Liang
The nanocrystalline metallic bilayer structure can effectively enhance the strength of Cu alloy while maintaining excellent electrical conductivity. Based on the microstructure evolution of Cu/Ag alloy observed by transmission electron microscope (TEM), molecular dynamics (MD) simulations of Cu/Ag alloy with nanocrystalline metallic bilayer structure were established. The mechanical properties and
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Preparation of ZrP2O7-based fiber composites by in situ synthesis method J. Alloys Compd. (IF 6.2) Pub Date : 2024-03-08 Zhipin Zhu, Yuanbing Li, Shujing Li, Shiqi Li, Chen Bai, Fang Liu
ZrPO-based fiber composites were prepared by in situ synthesis and their microstructure, thermal conductivity, mechanical and dielectric properties were determined. The chemical reaction with BPO as the phosphorus source and nano-ZrO as the zirconium source was initiated at 900°C, which promotes liquid-phase sintering and reduces the sintering densification temperature of the ZrPO-based fiber composites