JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
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2025
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IF 3
Zhihui Xu,Jing Li,Xiaoling Peng,Shan Tao,Jingcai Xu,Bo Hong,Xinqing Wang
The present study utilized Y 3 Fe 5 O 12 (YIG) ferrites as a coating on Fe-Si-B-Cu-Zr nanocrystalline magnetic powder to fabricate soft magnetic composites (SMCs). The influence of YIG content and annealing temperature on the magnetic properties of Fe-Si-B-Cu-Zr/YIG SMCs was investigated. It was revealed that an appropriate amount of YIG in the composite could enhance the permeability and its resistance to DC bias, while reducing eddy current loss. The results demonstrated that the Fe-Si-B-Cu-Zr/YIG SMCs coated with 1.0 wt% YIG exhibited good comprehensive magnetic properties, with a permeability of 33.8, 86.1 % retention under a DC bias of 100 Oe, and a 53.1 % reduction in eddy current loss to 13.86 mW/cm 3 at 500 kHz and 10 mT. Besides, the optimal annealing temperature for achieving decrease core loss and maximum permeability was determined to be 500℃ for the Fe-Si-B-Cu-Zr/YIG SMCs. This study demonstrates a promising coating material to enhance the high-frequency magnetic properties of nanocrystalline soft magnetic composite.
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ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Yunfei Tang,Mengmeng Xiao,Tongtong Duo,Xiaowan Zhang,Ziyue Chen,Wei Wei
The abnormal expression of monoamine oxidase B (MAO-B) and the soluble oligomer (Aβo) formed by β-amyloid deposition play key roles in the pathogenesis of Alzheimer’s disease. However, the simultaneous detection of MAO-B and Aβo remains a huge challenge. Herein, a bimetallic core–shell probe ZIF-8 embedding rhodamine 6G (Au/Rh6G/Pd@ZIF-8) with peroxidase-like activity is designed to detect MAO-B and Aβo simultaneously. MAO-B catalyzes the substrate phenethylamine (PEA) to produce H2O2, which oxidizes thiamine with the catalysis of Au/Rh6G/Pd@ZIF-8 to produce a fluorescent product that emits a strong fluorescence at 440 nm. When Aβo is present in the system, due to the specific coordination between Aβo and Zn2+, the intact ZIF-8 structure collapses, leading to Rh6G release and fluorescence recovery. The simultaneous determination of MAO-B and Aβo by Au/Rh6G/Pd@ZIF-8 is realized. The results showed that the designed biosensor had high specificity and sensitivity, a wide detection range, and a low detection limit for MAO-B and Aβo simultaneous detection. Fluorescence signals for MAO-B and Aβo detection did not interfere with each other because they are excited separately, which provides more valuable data for the diagnosis of Alzheimer’s disease.
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Materials Science and Engineering B-Advanced Functional Solid-State Materials
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2026
·
IF 5.7
Min Zhu,Zhiping Wan,Hongyu Cao,Zheng Wang,Jiacheng Cao,Peiqing La
As promising thermoelectric materials, high-entropy oxides (HEOs) have garnered considerable research interest. In this work, a novel tungsten bronze-type niobate ceramic, Sr 0.7 Ba 0.3 (Nb 0.2 Hf 0.2 Ta 0.2 Zr 0.2 Ti 0.2 ) 2 O 6-δ , was successfully synthesized via a conventional solid-state reaction. Comprehensive characterization using XRD, SEM-EDS, and TEM confirmed the formation of a high-entropy material with multiple cations incorporated at the B-site, inducing pronounced local cationic disorder. This high-entropy design at the B-site introduces severe lattice distortion and mass/stress field fluctuations, which significantly enhance phonon scattering and lead to an ultra-low total thermal conductivity. After 20 h of reduction treatment, the sample achieved a remarkably low thermal conductivity of 0.59 W·m −1 ·K −1 at 323 K and 1.29 W·m −1 ·K −1 at 1073 K, ranking among the lowest values reported to date for strontium barium niobate-based thermoelectric materials. This study shows that B-site high-entropy engineering effectively suppresses lattice thermal conductivity in complex oxides, offering a promising route for next-generation high-temperature n-type thermoelectrics.
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CHEMICAL PHYSICS
·
2026
·
IF 2.8
Xiaohua Zheng,Huilin Han,Ruomeng Zhang,Jingting Yang
Photocatalysis is a green and efficient technology for degrading organic pollutants. However, its development is restricted by the high recombination rate of photogenerated electron-hole pairs. In this study, double-Z-type BiVO 4 /AgBr/Ag 2 MoO 4 ternary photocatalysts were successfully synthesized by a one-step precipitation method at room temperature, and their photocatalytic performance for degrading rhodamine B (RhB) was investigated. The composition and microstructure of the photocatalysts were characterized by X-ray diffraction (XRD), cold field scanning electron microscopy (FE-SEM), X-ray energy dispersive spectroscopy (EDS), specific surface area testing, and X-ray photoelectron spectroscopy (XPS). The results of ultraviolet-visible diffuse reflectance spectroscopy (UV–Vis DRS), photoluminescence (PL), and electrochemical impedance spectroscopy (EIS) indicate that the optical properties of the photocatalysts are good. Under visible light irradiation, the BiVO 4 /AgBr/Ag 2 MoO 4 photocatalyst with Ag 2 MoO 4 mass fraction of 12% achieved a degradation rate > 99% within 12 min, with degradation rates 260.5, 6.1, and 161.7 times that of pure BiVO 4 , AgBr, and Ag 2 MoO 4 , respectively. In addition, holes (h + ) and superoxide radicals (·O 2− ) are the main active species, and hydroxyl radicals (·OH) also have a certain influence during the photocatalysis process, according to the active species capture experiments. This study demonstrates that the ternary photocatalyst has the potential to efficiently degrade organic pollutants under sunlight.
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Small
·
2026
·
IF 12.1
Bin Li,Hao Xiong,Guangying Chen,Xiaomin Guan,Jing Chen,Jian Pu,Bo Chi,Yunfeng Tian,Kaisheng Xia
The development of oxygen electrodes for reversible solid oxide cells (RSOCs) is hindered by insufficient catalytic activity, limited stability, and a mismatch in the thermal expansion coefficients (TEC) with electrolytes. Herein, we design and synthesize a novel perovskite oxide, La 0.6 Ca 0.4 Fe 0.8 Ni 0.1 Co 0.1 O 3–δ (LCFNC), using a multi-element B-site synergistic doping strategy. Systematic investigations reveal that the incorporation of Fe stabilizes the perovskite lattice, while the addition of Ni and Ca effectively suppresses the TEC (to 12.7 × 10 −6 K −1 after GDC compositing), ensuring excellent electrolyte compatibility. Furthermore, the cooperative interplay between Ni, Co, and Fe establishes ternary active centers, significantly increasing the concentration of surface oxygen vacancies. Full-cell measurements demonstrate a peak power density of 1.60 W·cm −2 at 800°C and a high electrolysis current density of 1.82 A·cm −2 at 1.3 V. Stability tests, including 100 h of constant-current electrolysis at 750°C and 24 reversible operation cycles, highlight exceptional interfacial and structural stability. More importantly, the assembled industrial-sized RSOCs (15 × 15 cm 2 ) achieve an output power of 64 W in fuel cell mode and a maximum current of 105 A in electrolyzer mode at 800°C, demonstrating its potential for practical applications. This work elucidates the mechanistic role of multi-element B-site regulation and provides an effective design principle for oxygen electrode materials that enhance activity, stability, and compatibility simultaneously, thus advancing the practical deployment of high-performance RSOCs.
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 13.2
Chunying Teng,Zhihua Wang,Haoyan Lv,Ming Zhang,Haifeng Zhang,Zhi Xu
Electro-Fenton technology represents a highly promising approach for treating refractory organic wastewater. However, its practical implementation is constrained by a narrow effective pH range and low H 2 O 2 production efficiency. In this study, a copper-based electro-Fenton system was constructed using a boron-doped biochar (B-BC) cathode. Material characterization and electrochemical analyses demonstrated that B doping effectively modulates the surface chemistry of the cathode, significantly enhancing H 2 O 2 generation and electron transfer efficiency. Under optimized conditions, the system maintained excellent removal performance for membrane concentrated landfill leachate (MCLL) within a near-neutral pH range (5–7). Identification of reactive oxygen species revealed that ·OH and 1 O 2 jointly dominated the oxidation process, with 1 O 2 generation being markedly promoted by B doping. Furthermore, by integrating spectroscopic techniques with chemometric analysis, the structural evolution of dissolved organic matter in MCLL during the reaction was elucidated, and the positive contribution of leachable organic components from the B-BC cathode to the degradation process was confirmed. This work provides a theoretical and experimental basis for advancing efficient, stable, and pH-tolerant electro-Fenton technology in practical wastewater treatment. However, the long-term stability of catalysts under extreme conditions requires further investigation, and the potential for industrial application also needs to be further assessed through systematic techno-economic analysis.
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INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
·
2026
·Vol. 27
·期 2
·1118
·
IF 4.9
Yisha Liu,Mingyang Xue,Chen Xu,Yong Zhou,Nan Jiang,Yan Meng,Yiqun Li,Zhenyu Huang,Wenzhi Liu,Yuding Fan
Chinese rice-field eel rhabdovirus (CrERV), an emerging viral pathogen, causes massive death in rice-field eels ( Monopterus albus ), thus threatening the industry’s development. There is currently no established treatment strategy for CrERV. This study evaluated the anti-CrERV effects of schisandrin B (Sch B) in vitro and in vivo. The results indicated that Sch B at 20 mg/L could inhibit the expression of the CrERV G protein, with a maximum inhibition rate of 69.5%. Additionally, Sch B mitigated the nuclear damage and mitochondrial membrane potential decline induced by CrERV, thereby preserving cellular morphology. A time-of-addition study suggested that Sch B might exert its antiviral effects during the mid-stage of viral replication. In vivo, Sch B exhibited promising preventive and therapeutic effects against CrERV infection in rice-field eels, enhancing their survival rate by 57% and 51%, when added at 0.075% and 0.025%, respectively. Overall, the natural product Sch B was proven to have excellent anti-CrERV activity, with broad prospects for application in aquaculture.
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Energetic Materials Frontiers
·
2026
·
IF 3.9
Rui Wu,Jia-qi Li,Peng Ren,Hua Fang,Er-hai An,Xiong Cao,Zhi-xian Wei,Ke-hua Han,Yi-hong Tan,Peng Deng,Xiao-xia Li
[(H 2 dabco)K(NO 3 ) 3 ]/Boron (DAN-2/B) composites have garnered much attention as novel high-energy ignition powder due to its high energy and favorable safety characteristics. Meanwhile, tailor energy-release properties of DAN-2/B composites through the introduction of functional adhesives is of considerable importance. In this work, three different polymer adhesives, including in the ethylene-vinyl acetate copolymer (EVA), thermoplastic polyester amine (Estane 5703), and fluorinated polymer(F 2602 ), were employed to design and prepare the ternary ignition powder composites by the solvent evaporation method. The morphology and structure of the ternary ignition powder composites were analyzed, and their thermal decomposition and combustion performances were investigated by regulating the components and content. The results indicate that the incorporation of the fluorinated polymer F 2602 significantly enhanced the energy-release properties of DAN-2/B-based ternary composites. F 2602 not only effectively bonds DAN-2 and amorphous boron into uniform granular microparticles, but also improves the ignition and combustion performance of DAN-2/B. The DAN-2/B-20/F 2602 -3 exhibited higher combustion performances, including maximum the combustion peak pressure of 210.7 kPa, highest heat of reaction of 4216 J·g −1 , and a prolonged combustion duration of 2402 ms. The pre-ignition and combustion reaction mechanism of the DAN-2/B with fluorinated polymer F 2602 added was proposed. This study is beneficial for optimizing the ignition performance of DAN-2/B-based ignition powder composites, with the aim of improving its energy-release efficiency and promoting its engineering applications.
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CHEMISTRY OF MATERIALS
·
2020
·
IF 9.567
Lu Qi,Zhaohui Chen,Xuerui Shi,Xiaodong Zhang,Qun Jing,Na Li,Zhongqi Jiang,Bingbing Zhang,Ming-Hsien Lee
Exploring novel photoelectric functional materials via chemical substitution-oriented design is an effective strategy, which can be expanded to the discovery of high-performance UV nonlinear optical (NLO) materials. Two new NLO pyrophosphates, Rb3BaBi(P2O7)2 (I) and Cs3BaBi(P2O7)2 (II), are rationally developed by a cation substitution technique based on A3PbBi(P2O7)2 (A = Rb and Cs), of which I inherits the large second-harmonic generation (SHG) response (exptl 2.5 × KDP; calcd 2.9 × KDP) and moderate birefringence (0.025@1064 nm) accompanied by a broadened UV transparent region. Compounds I and II are isomeric and exhibit different Ba–P–O frameworks. Especially, I possesses a large SHG effect benefiting from the favorable pentagonal-net topological structure. Detailed theory calculations elucidate the origin of the linear and nonlinear optical properties of the compounds. The insights obtained from the atomic-level module adjustment involving lone-pair-active optical anisotropy are useful for designing more efficient UV NLO materials.
研究领域:
材料科学
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非线性光学
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无机化学
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晶体工程
·
计算材料科学
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TEXTILE RESEARCH JOURNAL
·
2015
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IF 1.599
Xuying Nan,Guangdong Sun,Yi Huang,Qinguo Fan,Yuhua Yao,Jianzhong Shao
Eight visible photoinitiators composed of a series of erythrosine B derivatives with different structures, combined with ethyl-4-dimethylaminobenzoate and diphenyliodonium hexafluorophosphate, were evaluated for their photoinitiating characteristic and the tensile properties of photo-curing films initiated by them, to acquire the relationship between structure and performance. The visible photoinitiator was the key component for the pigmented visible photo-curing ink of textile digital printing. So, based on the experimental results, the preferred photoinitiator was incorporated into three pigmented photo-curing inks (red, yellow and blue) to perform textile digital jet printing. After photo-curing under visible light irradiation, the printed fabric samples showed excellent dry–wet rubbing fastness, and possessed a consistent hue with the samples initiated by the photoinitiator containing camphorquinone.
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JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2026
·Vol. 37
·期 6
·460
·
IF 3.2
Li Caixia,Ji Nan,Li Chenglong,Li Tianqi,Lu Peng,Ren Shuang,Ma Xiaoxuan
BiFeO 3 -BaTiO 3 (BF-BT) ceramics have emerged as a prominent research focus in the lead-free materials field in recent years due to their high Curie temperature and excellent ferroelectric and piezoelectric properties. In this work, 0.68BiFeO 3 -0.32BaTi 1- x (Fe 0.5 Nb 0.5 ) x O 3 + 0.1 wt.% MnO 2 ceramics (abbreviated as 0.68BF-0.32BT(FN) x -Mn, x = 0, 0.01, 0.02, 0.03, 0.04) were prepared by the conventional solid-state reaction method. The effects of Ti-site (Fe 0.5 Nb 0.5 ) 4+ substitution on the crystal structure, microstructure, dielectric, ferroelectric, and piezoelectric properties of 0.68BF-0.32BT ceramics were systematically investigated. It is confirmed from the XRD results that all the compositions consist of diphasic tetragonal (T) and rhombohedral (R) phases. Increase of B-site (Fe 0.5 Nb 0.5 ) 4+ substitution induces an expansion of unit cell volume, reduces the ferroelectric–paraelectric phase transition temperature ( T m ) monotonically from 471 °C at x = 0 to 445 °C at x = 0.04. The average grain size and piezoelectric properties increase by the substitution 2.0 mol% (Fe 0.5 Nb 0.5 ) 4+ complex cations for Ti 4+ in 0.68BF-0.32BT ceramics. Notably, the piezoelectric properties of this ceramic are improved through the grain size effect. Specifically, the 0.68BF-0.32BT(FN) 0.02 -Mn ceramics display optimal comprehensive electrical performance with T m = 461 °C, P max = 26.4 µC/cm 2 , P r = 18.1 µC/cm 2 , E C = 23.0 kV/cm, d 33 = 151 pC/N, k p = 0.298, Q m = 50.32, demonstrating the potential viability of BF-BT ceramics for high-temperature lead-free piezoelectric applications.
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COLLOIDS AND SURFACES B-BIOINTERFACES
·
2026
·
IF 5.9
Muhammad Sohail,Kai Li,Ayesha Younas,Sajid Iqbal,Xiaoxiao Chen,Baozhu Yang,Gaofeng Shu,Minjiang Chen,Hong Yuan,Jiansong Ji
CS-DHB NPs enabled pH-/laser-triggered DOX and HB codelivery for spatiotemporal HCC chemo-photothermal therapy. • Under 660 nm laser (1.0 W cm⁻²), NPs exhibited rapid hyperthermia, high ¹O₂ yield, and superior photostability. • In Hepa1-6 tumor models, NPs plus laser ensured 100% survival, marked tumor regression, and no notable toxicity. Hepatocellular carcinoma (HCC) remains lethal due to systemic chemotherapy is halted by cardiotoxicity, multidrug resistance, and poor tumor penetration. To address these limitations, we developed a novel modified chondroitin sulfate/cystamine nanoparticle, termed CS-DHB NPs, that co-delivers doxorubicin (DOX) and the photosensitizer hypocrellin B (HB) and is encapsulated within a chondroitin sulfate/cystamine nanocarrier. These engineered nanoparticles (∼154 nm) demonstrated high drug-loading efficiencies (DOX: 80%; HB: 60%), exceptional serum stability (>72 h), and dual-drug release in laser- and pH-dependent environments. Upon 660 nm laser irradiation (1.0 W cm⁻²), the CS-DHB NPs produced substantial photothermal, photodynamic effects (¹O₂ quantum yield: 0.56), and excellent photostability. The prepared CS-DHB NPs were biocompatible and showed efficient in vitro cytotoxic effects via CCK-8 assays and deep penetration and inhibition of multicellular tumor spheroids (MTS). Ex vivo cellular studies revealed that the targeted delivery mechanism, clathrin-dependent endocytosis, with laser-triggered uptake, enhanced intracellular DOX accumulation twofold. In Hepa1–6 cells, CS-DHB NPs treatment induced pronounced apoptosis (∼51%). In vivo, five intravenous administrations combined with localized laser irradiation resulted in significant tumor regression, 100% survival, minimal systemic toxicity, and no histopathological damage in a Hepa1–6-bearing C57BL/6 mice model. By integrating chemotherapy, phototherapy, and targeted release within a tumor-targeted nanosystem, CS-DHB NPs offer a promising strategy to overcome chemoresistance while preserving healthy tissues, advancing an effective, and clinically translatable approach for synergistic HCC therapy.
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