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Magnetism, magnetotransport properties and their correlation with magnetic field in the semiconductor-type EuMnSb2 J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-11 Huxin Yin, Xiang Shi, Xiansong Liu, Xucai Kan, Yongliang Qin, Qiyuan Feng, Miao He, Liang Cao, Hai Xu, Langsheng Ling, Wei Tong, Li Pi, Yuyan Han
The semiconductor-type EuMnSb single crystal with an orthorhombic structure (space group , No.62) was synthesized using the Sn-flux method, and its physical properties were systematically investigated by magnetization, specific heat, and resistivity measurements. The magnetic and specific heat features reveal two successive antiferromagnetic (AFM) transitions exist separately at ∼ 21 K and ∼ 9 K, which
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Quantitative investigation on the individual contribution of twinning and dislocation slip to creep in dilute Mg-Y alloys with various grain sizes J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-10 Zonghui He, Yuxiu Zhang, Jun Liang, Yibing Li
This work investigated the individual contribution of twinning and dislocation slip to creep in Mg-2 wt%Y alloys with different grain sizes. Three samples with the grain sizes of = 31.2 μm, = 63.5 μm and = 127.7 μm were prepared by regulating the annealing treatment conditions, and the compressive creep tests were conducted at 473 K under 80 MPa along the rolling direction. It was found that the volume
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Application of MOF derived porous carbon to regulate electromagnetic wave absorption performance and mechanism of ZnFe2O4@ZnO J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-10 Shuqi Shen, Fenglan Long, Lei Wang, Weiwei Dong, Biyun Peng, Mengjia Wei, Wenmiao Zhang, Sajjad Ur Rehman, Yifeng Hu, Tongxiang Liang
The incorporation of metal-organic frameworks (MOFs) and subsequent high-temperature treatment to form derived carbon composite materials represents a promising research direction for tuning the electromagnetic wave absorption performance of composite materials. In this study, ZnFeO@Zn-MOF was synthesized using sol-gel and in-situ growth methods, and a tunable carbon content porous ZnFeO@ZnO/C composite
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Tunable efficient white emission in Sb3+-doped air-stable Sn(IV)-based metal halide for solid state lighting and information encryption J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-10 Shichao Zhou, Jun Luo, Xuefei He, Minghui Lu, Tongzhou Li, Xiaoyan Lu, Hui Peng, Xianci Zhong, Bingsuo Zou
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Structural design, interfacial behavior and mechanical properties of bimetallic nacre-like structures by laser powder-bed fusion J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-10 Yingbo Peng, Yasong Shi, Taitong Jin, Jingmin Ren, Yuchao Bian
The nacre-like (NL) structure exhibits unique performance in preventing the catastrophic crack growth and improving the strengthening/toughening of the overall structure. In this study, the In718/316LSS bimetallic NL structures were first fabricated by a powder laying-absorption multiple-material additive manufacturing technology based on laser powder-bed fusion, and the stress release mechanism was
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Fabrication of Ag-decorated La0.9Ag0.1FeO3 for efficient photocatalytic degradation of tetracycline under visible light with the assistance of water oxidation J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Zhuohong Xie, Woochul Yang
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BiOBr/Cu2S p-n heterojunction for efficient photodegradation of ciprofloxacin and tetracycline under visible light J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Zeshuang Kong, Ruiqi Zhang, Jixian Dong, Jiahui Yu, Dafeng Zhang, Junchang Liu, Peiqing Cai, Xipeng Pu
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Preparation of a double-layer bionic bamboo structure absorber based on CB/PLA-TPU composites and its broadband microwave absorption characteristics J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Tangming Yan, XiCong Ye, Enyi He, Qi Gao, Yuemei Wang, Liang Gong, Yongsheng Ye, Haihua Wu
The study of the mechanical characteristics and microwave absorption capabilities of multifunctional composite materials in complex environments has attracted considerable interest in recent years. Inspired by the structure of bamboo in nature, a novel double-layer microwave absorber structure, a CB/PLA-TPU composite bionic bamboo joint’s structure, was conceived and manufactured for this investigation
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The interface modification with polyethyleneimine enhances both ionic conductivity and interfacial compatibility of composite solid electrolyte J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Huan Zhao, Xiaobao Zhang, Ning Wang, Yiyang Xiao, Shiang Liang, Weidong Zhuang, Juanyu Yang, Xiaowei Huang
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Microstructural evolution and mechanical behavior of novel TiZrTaxNbMo refractory high-entropy alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Xiangyang Shen, Zihe Guo, Feng Liu, Fuyu Dong, Yue Zhang, Chao Liu, Binbin Wang, Liangshun Luo, Yanqing Su, Jun Cheng, Xiaoguang Yuan, Peter K. Liaw
The refractory high-entropy alloy (RHEA) with a body-centered-cubic (BCC) solid-solution structure has excellent high-temperature softening resistance, which has attracted wide interest in the field of high-temperature alloys. However, its limited room-temperature plasticity has greatly hindered its engineering application. To obtain an excellent strength-plasticity matching relationship, in this reported
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Flexible films with three-dimensional ion transport channels: Carbon nanotubes@MnO2 as interlayer spacers in porous graphene electrodes for high-performance supercapacitors J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Xinru Lin, Lizhi Sheng, Jie Yang, Yuting Zhang, Huimin Shi, Yeming Li, Kehan Wu, Mingxuan Han, Xiaoming Zhou, Lili Jiang
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A novel defective PdMo bimetallene with atomic-scale cavities for highly efficient chemicals-assisted hydrogen production J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Jun Cao, Yi Lu, Yu Wang, Yiwei Shi, Hong Sun, Jingjing Wang, Yingying Zheng, Jiaqi Pan, Wenwu Zhong, Chaorong Li
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Efficient and environmentally friendly separation and recycling of cathode materials and current collectors for lithium-ion batteries by fast Joule heating J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Chengxiang Li, Pengfei Kou, Hong Wen, Yan Zhou, Xuzhao Gao, Yan Mi
Spent Li-ion batteries(LIBs) cathodes possess high recycling value. To improve subsequent recovery efficiency and product purity, separating the cathode materials from the aluminum foil is critical. However, traditional separation methods are characterized by high energy consumption, low recycling efficiency, and environmental pollution. This research presents a novel method that involves injecting
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Template-assisted strategy for synthesizing transition metal oxyhydroxide for high-efficiency oxygen evolution reaction J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Ting Wang, Xianxu Chu, Xuelin Dong, Yubing Lv, Lu Wang, Xiaopei Li, Yanli Zhou, Qiaoxia Li
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Low-expansion Si anode with an ultrathin structure for long life lithium-ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-09 Weiguo Huang, Jian Li, Kun Wei, Lihua Wang
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Preparation of NiTe-Ni(OH)2/NF active cathode material as an electrocatalyst for hydrogen evolution J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-08 Qian Li, Na Huang, Wenguang Zhu, Hongzhou Ma, Jinjing Du, Xihong He, Shuoran Wang, Changlin Li, Wenpei Wang, Yaqing Weng
It is highly important to develop low-cost hydrogen evolution cathode materials. In this paper, Ni(OH)/NF electrode was prepared by a hydrothermal method using nickel foam (NF) as a substrate, and NiTe-Ni(OH)/NF cathode with high efficiency and low cost was prepared by secondary hydrothermal method. The material was characterized by physical characterization and electrochemical performance tests. Ni(OH)/NF
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Influence of the heat treatment path on the precipitation sequence in an AlSi7Cu0.5Mg-alloy J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-08 René Wang, Carolina Beatríz Gonzalez, Bernhard Stauder, Ricardo Fernández Gutiérrez, Mihaela Albu, Silvana Sommadossi, Erwin Povoden-Karadeniz, María Cecilia Poletti
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Tuning the thermal conductivity of organic-inorganic double-shell thermal storage microcapsules triggered by atomic layer deposition J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-08 Linfeng Li, Yaoqi Huang, Yuanyuan Li, Xiaomin Cheng
The regulation of the thermal conductivity of thermal energy storage materials has become a primary challenge to expand the range of utilization for different application scenarios. In this study, organic-shell microcapsule (paraffin@melamine formaldehyde) was initially prepared by polymerization, followed by the deposition of anatase TiO on the organic-shell microcapsule using atomic layer deposition
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High-temperature stable power generation capacity of BF-BT-based piezoceramics with rationally modulated MPB structure J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-08 Jianzhe Guo, Yudong Hou, Kaibiao Xi, Xiaole Yu, Mupeng Zheng, Mankang Zhu
Aerospace and electric vehicles often require high-temperature piezoelectric energy harvesters (HT-PEHs) to power wireless sensors operating at temperatures above 200°C. In this work, by rational modulation of the phase composition of BiFeO-BaTiO (BF-BT) based on appropriate bismuth content compensation, the temperature dependences of the piezoelectric and insulating properties of selected materials
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Research progress and prospect of centrifugal electrospinning and its application J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-08 Yuqing Zhang, Peng Wang, Qiaofu Shi, Xin Ning, Jie Zheng, Yun-Ze Long
Centrifugal electrospinning (CES), as a method to produce nanofiber materials, has been widely concerned in recent years. CES integrates the advantages of electrospinning and centrifugal spinning technologies, achieving high yield, ultrafine, and well-aligned nanofiber production, thus having a bright prospect in industrialization. This review provides an overview of CES advances in development, devices
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Oxide ceramics of A2M3O12 family with negative and close-to-zero thermal expansion coefficients: Machine learning-based modeling of functional characteristics J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-08 Natalia Kireeva, Aslan Yu. Tsivadze
Ceramic materials with negative and close-to-zero coefficients of thermal expansion may open the avenue to the technologies that have so far been constrained by physical limitations concerned with the thermal stress or with the insufficient structural stability. Two important characteristics of NTE materials which could be used for the evaluation of the possible area and limitations of the sphere of
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Ionoluminescence from Europium-doped BaMgAl10O17 nanophosphors under different doping concentrations J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Manvendra Kumar, Parasmani Rajput, Aartee Sharma, Prashant K. Singh, Saif A. Khan, Fouran Singh
In the present work, we report the synthesis of Eu doped BaMgAlO nanophosphors, which can be used as red phosphors for display panels and lightning devices. Eu doped BaMgAlO:Eu (=0.0, 0.1, 0.2, 0.4, 0.5, and 0.6) nanophosphors were synthesized by chemical route by varying Eu concentration. Structural/morphological information of prepared nanophosphors and the oxidation state of the doped Eu ions were
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Multi-level phase-change behaviors of Ge2Sb2Te5/Sb7Se3 bilayer films and a design rule of multi-level phase-change films J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Ling Liu, Han Gu, Weihua Wu, Zixin Wang, Tianshu Lai
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Extremely low coercivity of powder Co-rich amorphous alloy obtained by gas atomisation J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Kenny L. Alvarez, H.A. Baghbaderani, N. Burgos, M. Ipatov, A. Masood, V. Zhukova, J. Gonzalez, J.M. Martín
A novel Co-base soft magnetic powder with ultra-low coercivity was produced by inert gas atomisation. The as-atomised powder is fully amorphous owing to its high glass forming ability and the proper selection of atomisation conditions; it exhibits a very low coercivity (0.130 Oe) mainly due to the low magnetostriction coefficient of Co-based alloys. After production, the powder was annealed at different
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A novel Co3O4/ZnSe S-scheme heterojunction photocatalyst with efficient carrier separation and enhanced light absorption for photocatalytic hydrogen evolution J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Yueyan Fan, Wenjun Li, Xiaohui Ma, Liang Geng, Mei Dong, Yanyan Li, Yajie Li, Li Yang
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Pressure dependence of phase transformation, thermal expansion and barocaloric property in a polycrystalline Ni54Mn23Ga23 alloy J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Fene Hu, Shengxian Wei, Yiming Cao, Xijia He, Yuanlei Zhang, Qi Chen, Kun Xu, Zhe Li
An experimental investigation was conducted to understand the influence of hydrostatic pressure on phase transition, thermal expansion and barocaloric property of a polycrystalline NiMnGa alloy. Two pressure ranges of 0–1.28 GPa and 0–0.74 GPa were selected for thermal expansion and barocaloric property measurements due to the different test limits of instrumentals. The pressure dependence of fourteen
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Amorphous nickel–cobalt phosphate nanosheets optimized by a micron−sized copper particle array with ultrahigh specific capacitance for asymmetric supercapacitors J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Yan Zhang, Yujie Wang, Yamin Feng, Weifeng Liu, Fuming Chen
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CoS2-CoSe2 hybrid nanoparticles grown on carbon nanofibers as electrode for supercapacitor and hydrogen evolution reaction J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Wenjing Cui, Xingwei Sun, Shaoshuai Xu, Chunping Li, Jie Bai
Exploring energy storage devices and hydrogen evolution reaction electrode materials with high efficiency electrocatalytic activity, high energy density and low cost has broad prospects, but there are still huge challenges. Compared with traditional energy storage devices, supercapacitors (SCs) are a new type of energy storage device with broad development prospects. However, their practical application
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High performance electromagnetic wave absorbing material based on 3D flower-liked MXene J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-07 Xue Zhu, Xin Qian, Mengyuan Hao, Yonggang Zhang, Zhenjiang Zhang, Shujun Li, Haonan Wu
Two-dimensional transition-metal carbides (MXene) has been considered as a promising choice for outstanding EMW absorption material, because of the single dielectric loss caused by its high dielectric constant and the various polarization modes attributed to the abundant surface groups. However, the impedance mismatch caused by high dielectric constant and the structural design difficulties resulted
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Effect of final rolling deformation on microstructure, work hardening and softening behavior of Mg-8Li-3Al-0.3Si alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 Ya-niu Li, Kun-kun Deng, Cui-ju Wang, Kai-bo Nie, Quan-xin Shi, Peng-cheng Tian, Guo-Wei Zhang
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Formation and specific contact resistivity of NiGe on polycrystalline Ge made by flash lamp annealing J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 V. Begeza, L. Rebohle, H. Stöcker, E. Mehner, R. Hübner, S. Zhou
Flash lamp annealing (FLA) is an ultra-short annealing method, which excellently meets the requirements of thin-film processing and microelectronics. Due to the relatively high hole mobility, thin Ge layers are highly interesting as a transistor channel material or generally as a functional layer in CMOS technology and for low-cost electronics. One possibility to realize ohmic contacts with low contact
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Ultrathin heterostructured ZnS/SnS2/CuS nanoflakes filled in N-doped carbon nanoboxes as novel cathode hosts for Li-SeS2 batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 Tiantian Zhang, Bo Yan, Lulu Zhang, Xuelin Yang
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Synergistic effect of α-alumina integrated silica ceramic nanocomposites prepared using waste beverage cans and rice husk for corrosion protection application J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 V. Mahalingam, M. Sivaraju, G. Suresh Kumar, K. Lalithambigai, Nguyen Van Minh, M. Aslam Manthrammel, Mohd. Shkir
In this study, we investigated the synergistic effect of α-alumina-integrated silica nanocomposites as a promising material for corrosion protection. We synthesized these nanocomposites in different proportions (90 wt% silica:10 wt% alumina (AS-1) and 70 wt% silica:30 wt% alumina (AS-2)) via ball milling using rice husk and waste beverage cans as the precursor source. XRD, FTIR and EDX analysis of
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Innovative design of silicon-core mesoporous carbon composite for high performance anode material in advanced lithium-ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 Yuxiu Yu, Qiang Zhang, Na Teng, Yaodong Liu
Silicon is widely recognized as an exceptionally auspicious anode material for lithium−ion batteries due to its remarkable specific capacity, suitable operational potential, and ecologically innocuous characteristics. This study presents a novel silicon@void@FC (fibrous carbon) composite anode material for lithium-ion batteries. Utilizing a one-step synthesis approach, the resulting hollow core–shell
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Surface modification of Ti6Al4V alloy via advanced coatings: Mechanical, tribological, corrosion, wetting, and biocompatibility studies J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 Ankit Kumar, Gurminder Singh
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Key role of carbon as an efficient electron bridge in CuO@C@Fe2O3 for enhancing H2O2 activation during photo-assisted Fenton-like reaction J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-06 Yubo Wu, Honglin Lin, Xuyun Gao, Zhiyan Liu, Yulun Nie
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Non-template synthesis of nitrogen-doped carbon-coated CoS2 nanoparticles for enhanced long-term lithium storage J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Shaochen Wang, Menglei Guo, Chenwei Qu, Jiawei Wen, DongSheng Yang, Guoyong Huang, Shengming Xu, Fengshan Yu, Yuanhua Zhang, Chong Wang
The significant volume change and low conductivity are the primary challenges to effectively utilizing transition metal sulfide anode materials for lithium-ion batteries. Given that, this study presents a facile non-template method for synthesizing nitrogen-doped carbon-coated CoS (CoS@NC) nanoparticle composites with diverse morphologies. The morphology of the ZIF-67 precursor was controlled by employing
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Synergistic construction of uniform LiAlO2 coating on LiNi0.8Co0.1Mn0.1O2 cathode materials by acid etching and polyvinylpyrrolidone cross-linking approaches for high-performance Li-ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Libo Wang, Guoyu Ding, Zishan Yang, Jinmin Chen, Kuiming Liu, Xinhui Huang, Pinghai Lan, Yiyang Peng, Shizhou Wang, Qiancheng Zhao, Zhihao Yue, Yudong Zhang, Fugen Sun
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Excitation power regulated up-conversion luminescence chroma of lanthanide double-perovskite Cs2NaLnCl6 (Ln = Ho3+, Er3+, Tm3+) microcrystals J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Kairui Zhang, Ting Li, Haiying Cheng, Chunchun Zhu, Baoqing Sun
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Cobalt-ferrite nano-cubes for magnetic hyperthermia applications J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Adriana Zeleňáková, Ľuboš Nagy, Pavol Hrubovčák, Michael Barutiak, Maksym Lisnichuk, Veronika Huntošová, Ana Mrakovič, Mariana Gerina, Dominika Zákutná
Highly crystalline superparamagnetic nano-cubes of CoFeO with size of about 15 nm were prepared by the thermal decomposition method. The structure, morphology, magnetic properties, magnetothermal response, and cytotoxicity study were used to investigate the CoFeO nano-cubes for magnetic hyperthermia. Diffraction methods (employing X-ray and transition electron microscope) confirm the presence of an
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Effects of Co on the microstructure evolution and mechanical properties of Ti-4Al-6Cr-5Mo-8 Nb alloy by ultrasonic vacuum melting J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Jichang Yu, Hongze Fang, Jiaqi Hao, Xinda Li, Ruirun Chen, Baohui Zhu, Jingjie Guo
An investigation was conducted into the impact of low cobalt content on the microstructure and mechanical properties of titanium alloys. Ti-4Al-6Cr-5Mo-8 Nb-Co ( = 0, 2, 3, 4, and 5) alloys were prepared by ultrasonic-assisted melting and casting. The changes in microstructure, mechanical properties, and the strengthening and toughening mechanisms were researched. Results show that, when the cobalt
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Solidification behavior of SiCf/Ti17 induced by fixed-point laser surface remelting J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Xingjia Ma, Huaming Wang, Zhuo Li, Xu Cheng
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Effects of alloying elements on the microstructure of precipitation strengthened Co-based superalloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Zhouqing Zhang, Qingqing Ding, Xiao Wei, Ze Zhang, Hongbin Bei
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Structure relations with transport properties in p-type thermoelectric materials: Iron silicides J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-05 Sopheap Sam, Umar Farooq, Mizuki Namba, Kosuke Yamazaki, Hiroshi Nakatsugawa
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Phase stability and mechanical properties of Ta enriched TiTaNbZrMo refractory high entropy alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-04 Indu Avula, Avinash Chavan, Sankha Mukherjee, Mangal Roy
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Improving electrochemical performance of spinel-type Ni/Mn-based high-voltage cathode material for lithium-ion batteries via La-F co-doping combined with in-situ integrated perovskite LaMnO3 coating layer J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-04 Qiulan Zhou, Weiliang Li, Debin Ye, Wenwei Wu, Shiming Qiu, Zuodong Yin, Chen Lu, Xuehang Wu
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Ferrite doped sucrose-derived porous carbon composites inspired by Pharaoh's Serpent for broadband electromagnetic wave absorption J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-04 Heng Yang, Xin Jiang, Jiuxiao Sun, Bin Zhang, Xiaogang Su, Qilei Wu, Zhengyao Qu, Siqi Huo
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Sintering temperature–induced evolutions of crystal structure, microstructure, twin defects, and electrical properties of Co0.98Cu0.4Mn1.62O4 ceramics J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Chengjian Ma, Longhua He, Haiyun Ruan, Hong Gao, Jianxiang Ding
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Mechanical properties and oxidation behavior of NbMoTaWx refractory high entropy alloys J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Chenran Xu, Liyang Fang, Guanglong Xu, Lingwei Yang, Yifang Ouyang, Xiaoma Tao
NbMoTaW refractory high-entropy alloys (RHEAs) possess superior high-temperature mechanical strength. However, their practical applications are limited by low room-temperature plastic strain. In the present study, NbMoTaW (x = 0.2, 0.4, 0.6, 0.8, 1.0) RHEAs were prepared. The microstructural characteristics, mechanical properties and oxidation resistance of these RHEAs were investigated. The NbMoTaW
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Synthesis and luminescence properties of a novel narrow band green-emitting Na2MgAl10O17:Mn2+ phosphor for backlight display J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Xiaodeng Wu, Yujun Liang, Yali Xue, Haoran Li, Yi Dou, Weilun Zhang, Qiangke Wang, Chuang Han
An activator’s selective occupation of a host is of great significance for designing high-quality white light-emitting diodes (w-LEDs) phosphors, while achieving a full-spectrum single-phase white light emission phosphor is challenging. For developing high-performance and green-emitting phosphors with narrow bands used for backlight display, a series of NaMgAlO:xMn (NMAO:xMn) phosphors with high Mn
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Boosting both electronic and ionic conductivities via incorporation of molybdenum for LiFe0.5Mn0.5PO4 cathode in lithium-ion batteries J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Donguk Kim, Sunwoo Lee, Wonchang Choi
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The effects of interstitial oxygen on mechanical properties of TiZrNb medium-entropy alloy over a wide temperature range J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Shubin Wang, Yi He, Xianbing Zhang, Junfeng Wang, Mingxu Wu, Da Shu, Huaping Tang, Baode Sun
Interstitial oxygen plays an important role in the microstructure and mechanical properties of recently developed refractory high-entropy or complex concentrated alloys. However, the mechanical properties of the oxygen-doped complex concentrated refractory alloy over a wide temperature range remain unclear. In this work, the effect of interstitial oxygen on the mechanical behavior of TiZrNb medium-entropy
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Deformation behavior and microstructure characterization of the radially forged 2A50 aluminum alloy at high-temperature solid and semi-solid states J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Hong Jiang, Peng Dong, Peng Zhang, Yongfei Wang, Fan Li, Chengcheng Zhu, De-an Meng, Shuqin Fan, Shengdun Zhao
The deformation behavior of a radially forged 2A50 aluminum alloy was investigated by thermal compression test at high-temperature solid (300–500 °C) and semi-solid (565–585 °C) states with strain rates of 0.01–0.5 s. A strain-compensated Arrhenius constitutive equation was established to describe the relationship between flow stress and compression parameters. The inhomogeneous deformation and microstructure
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Strain relaxation in ε-Ga2O3 thin films grown on vicinal (0001) sapphire substrates J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Shujian Chen, Zimin Chen, Weiqu Chen, Paiwen Fang, Jun Liang, Xinzhong Wang, Gang Wang, Yanli Pei
The research on strain in epitaxial thin films has attracted lots of attention since strain in semiconductors may significantly affect the quality of materials and the performance of devices. In this work, we focus on the strain in -GaO thin films grown by metal-organic chemical vapor deposition (MOCVD) on c-plane sapphire substrates. Combining X-ray Diffraction and wafer bowing measurements, it is
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Controlling magnetically induced shape memory behavior through volume proportions in Heusler-type Fe47-xMn24+xGa29 structures J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Reddithota Vidyasagar, Michel Varga, Pavel Diko, Tomas Ryba, P.R.T. Ribeiro, F.L.A. Machado, Rastislav Varga
Here we demonstrate that a ferromagnetic shape memory can be tuned conveniently by volume proportions within Heusler-type FeMnGa ( = 8, 6, 4, 2, and 0 at%) alloys over an extended temperature range. Preliminary X-ray diffraction experiments indicate that the FeMnGa alloys crystallize into a B cubic structure with space group for all compositions. Samples with compositions of = 0–4 at% show the co-existence
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Experimental and calculational analysis about the influence of the grain boundary diffusion depth on the magnetic properties of a sintered Nd-Fe-B magnet J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Jie Wang, Suxin Lu, Fugang Chen, Zhong Lei, Yong Zhao, Juan Fu, Yingang Wang, Lanting Zhang
The grain boundary diffusion process (GBDP) has been widely applied to increase the coercivity of Nd-Fe-B magnets. After GBDP with Dy/Tb-rich diffusion sources the thickness of the Dy/Tb-rich shell formed on the epitaxial layer of the 2:14:1 main phase grain decreases from the magnet surface to the center. However, the influence of the Dy/Tb-rich shell gradient distribution on magnetic properties has
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A graded structure of silicon/carbon composite powder for highly stable lithium ion battery anode J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Xiaolai Luo, Qiao Wu, Lisha Zhou, Shiqi Liu, Xiang Shen, Luhua Lu
Silicon has much higher theoretical specific capacity than traditional graphite materials (3579 mAh g. Graphite: 372mAh g). However huge volumetric expansion (∼300%) of silicon seriously reduces its cyclic stability as anode in lithium-ion batteries. Though reduce the size of silicon based composites to nanoscale and tuning their porosity have been extensively studied, above strategies reduce the vibration
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Comparison of ultrasonic vs mechanochemistry methods for fabrication of mixed-ligand Zn-based MOFs for electrochemical determination of luteolin J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Chenghao Xie, Huan Li, Baitong Niu, Hongxu Guo, Xiumei Lin
Looking for green synthesis methods is the main direction of MOFs research in the green chemical industry to meet large-scale preparation of modified materials suitable for highly active electrodes. In this study, 1,3,5-benzenetricarboxylic acid (1,3,5-HBTC) and 4,4’-bipyridine (4,4’-Bpy) were used as ligands. The micro-nano structure mixed-ligand Zn-MOFs compounds, [Zn(bpy)(Hbtc)(HO)]·3nHO prepared
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Fabrication and performance investigation of high entropy perovskite (Sr0.2Ba0.2Bi0.2La0.2Pr0.2)FeO3 IT-SOFC cathode material J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Zepeng Li, Yanfeng Ge, Yuhan Xiao, Mingrun Du, Feiran Yang, Yu Ma, Yuan Li, Degong Gao, Huanbin Li, Jinhua Wang, Peng Wang
The high-entropy oxide (HEO) concept expands the design space of solid oxide fuel cell (SOFC) cathode materials. There is great potential for the development of HEO cathode materials that has not been fully explored, and the relationship between their chemical composition, grain size, and electrochemical performance is not yet fully understood. This experimental design involved the preparation of single-phase
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Improving energy storage properties of NN-NBT ceramics through compositional modification J. Alloys Compd. (IF 6.2) Pub Date : 2024-04-03 Jiejie Hui, Yangxi Yan, Longlong Wang, Dongyan Zhang, Maolin Zhang, Mo Zhao, Meng Wan, Li Jin, Zhimin Li
NaBiTiO(NBT)-based ceramics are materials with good energy storage properties and non-ergodic relaxation ferroelectric properties, as well as high Curie temperature and good temperature stability. Herein, a new approach was devised to adjust the non-ergodic relaxation ferroelectric characteristics of NaBiTiO(NBT)-based ceramics by introducing NaNbO into NaBiTiO(NBT) (x NN-(1-x) NBT, where x= 0.17,