Materials Letters: X最新文献

Microstructure characterization on tensile properties of closed-cell aluminum foam 闭孔泡沫铝拉伸性能的微观结构表征

IF 2.6

Materials Letters: X Pub Date : 2026-06-01 Epub Date: 2026-02-05 DOI: 10.1016/j.mlblux.2026.100263

Farrukh Saleem , Zhao Chengxu , Yao Zaiqi , Wenbin Shangguan , Yao Xiaohu , Cheng Zhixiong , Yuan Chengyi , Haroon Ahmed , Tang Xiangmin , Tianzhi Luo

引用次数: 0

Multi–component Cr–Mn–Fe–Co–Ni oxide as bifunctional electrode for alkaline water splitting 多组分Cr-Mn-Fe-Co-Ni氧化物作为碱水分解双功能电极

IF 2.6

Materials Letters: X Pub Date : 2026-06-01 Epub Date: 2026-05-25 DOI: 10.1016/j.mlblux.2026.100274

Wiktor Kuklewski, Muhammad Saleem Akhtar, Gabriela Komorowska, Grzegorz Cieślak, Tomasz Wejrzanowski

引用次数: 0

Effect of lotus-type porous cu on reliability of ag-sintered joints during thermal cycling 荷叶型多孔铜对热循环中银烧结接头可靠性的影响

IF 2.6

Materials Letters: X Pub Date : 2026-06-01 Epub Date: 2026-02-05 DOI: 10.1016/j.mlblux.2026.100264

Minsu Kim , Hiroaki Tatsumi , Sang-Wook Kim , Ji-Hyun Kim , Soong-Keun Hyun , Hiroshi Nishikawa

引用次数: 0

Comparative study of toluene oxidation over reduced graphene oxide-supported Pt and Ni catalysts 还原氧化石墨烯负载Pt和Ni催化剂上甲苯氧化的比较研究

IF 2.6

Materials Letters: X Pub Date : 2026-06-01 Epub Date: 2026-06-04 DOI: 10.1016/j.mlblux.2026.100275

Bruno Peixoto , Aron Rodrigues , Maiara Ferreira , Tamires de Souza , Thalita de Sousa , Syntia Cotrim , Flávio Colman , Yutao Xing , Rita Colman

{"title":"Comparative study of toluene oxidation over reduced graphene oxide-supported Pt and Ni catalysts","authors":"Bruno Peixoto , Aron Rodrigues , Maiara Ferreira , Tamires de Souza , Thalita de Sousa , Syntia Cotrim , Flávio Colman , Yutao Xing , Rita Colman","doi":"10.1016/j.mlblux.2026.100275","DOIUrl":"10.1016/j.mlblux.2026.100275","url":null,"abstract":"<div><div>Reduced graphene oxide (rGO) was prepared from graphite by modified Hummers oxidation followed by two-step thermal reduction and used as support for Pt and Ni catalysts in toluene oxidation. The protocol produced few-layer rGO with residual oxygenated anchoring groups and with a 23-fold increase in Brunauer-Emmett-Teller (BET) surface area. Pt/rGO (1 wt% Pt) and Ni/rGO (10 wt% Ni) were obtained by wet impregnation. XRD, Raman, FTIR, BET, SEM-EDS, TGA and H<sub>2</sub>-TPR linked structure, dispersion and reducibility to catalytic behavior. Scherrer analysis gave apparent coherent-domain sizes of 9.4 nm for Pt<sup>0</sup>(111) and 9.3 nm for Ni<sup>0</sup>(200). Pt/rGO reached T<sub>50</sub> ≈ 255 °C and 99% conversion at 400 °C, whereas Ni/rGO reached 55% at 400 °C. Time-on-stream tests confirmed stable operation and CO<sub>2</sub> as the only carbon-containing product detected. The results demonstrate that rGO can serve as a practical carbon support for noble and non-noble metal formulations in VOC oxidation, while emphasizing the central role of metal reducibility, dispersion and metal-support interaction.</div></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"27 ","pages":"Article 100275"},"PeriodicalIF":2.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148241043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Materials letters X change in scope: call for experts' reviews & perspectives 材料信函X范围变更：征求专家意见和观点

IF 2.3

Materials Letters: X Pub Date : 2026-06-01 Epub Date: 2026-02-16 DOI: 10.1016/j.mlblux.2026.100265

E-Wen Huang, Raymundo Arróyave

引用次数: 0

Electrospun Polyaniline-Graphene/PVA Composite Nanofiber: Structural, Morphological and Thermal Characteristics 静电纺聚苯胺-石墨烯/聚乙烯醇复合纳米纤维：结构、形态和热特性

IF 2.6

Materials Letters: X Pub Date : 2026-06-01 Epub Date: 2026-01-06 DOI: 10.1016/j.mlblux.2026.100262

M.S. Archana , S. Jayalekshmi , S. Deepa , Nandakumar Kalarikkal

{"title":"Electrospun Polyaniline-Graphene/PVA Composite Nanofiber: Structural, Morphological and Thermal Characteristics","authors":"M.S. Archana , S. Jayalekshmi , S. Deepa , Nandakumar Kalarikkal","doi":"10.1016/j.mlblux.2026.100262","DOIUrl":"10.1016/j.mlblux.2026.100262","url":null,"abstract":"<div><div>Electrospun nanofibers with high surface area and tunable morphology are promising platforms for advanced functional materials. In this work, polyaniline (PANI)–graphene composites were blended with poly vinyl alcohol (PVA) and fabricated into nanofibers via electrospinning. Structural, chemical, morphological, and thermal properties were systematically investigated using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The results reveal enhanced molecular ordering and strong interfacial interactions among PANI, graphene, and PVA, along with bead-free nanofibers exhibiting an average diameter of ∼32 nm with a narrow size distribution. TGA demonstrates improved thermal stability with delayed degradation compared to PANI/PVA systems reported in literature, attributed to the stabilizing role of graphene. These findings indicate that materials based on PANI–graphene/PVA nanofibers can serve as a tunable composite platform, which with appropriate compositional or surface modifications may be further developed for specific functional applications.</div></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"27 ","pages":"Article 100262"},"PeriodicalIF":2.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145950221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High energy-resolution electron energy loss spectroscopy and near infrared absorption study of cesium tungsten bronze and lanthanum hexaboride 铯、钨、青铜和六硼化镧的高能分辨电子能量损失光谱及近红外吸收研究

IF 2.2

Materials Letters: X Pub Date : 2025-12-01 Epub Date: 2025-07-12 DOI: 10.1016/j.mlblux.2025.100249

Shuzheng Guo , Jingyi Huang , Na Ta , Fengze Cao , Sihua Ha , Shuai He , Jianli He , Luomeng Chao

引用次数: 0

Simple and efficient optical fiber recoating procedure 简单高效的光纤重涂工艺

IF 2.2

Materials Letters: X Pub Date : 2025-12-01 Epub Date: 2025-07-03 DOI: 10.1016/j.mlblux.2025.100248

F.A.C. Nobrega , E.A.W. Menezes , R. Reichenbächer , C. Scheffler , R.F. Abreu , E.F. Morais , C.M.B. Cordeiro , A. Spickenheuer , S.C. Amico , A.S.B. Sombra

{"title":"Simple and efficient optical fiber recoating procedure","authors":"F.A.C. Nobrega , E.A.W. Menezes , R. Reichenbächer , C. Scheffler , R.F. Abreu , E.F. Morais , C.M.B. Cordeiro , A. Spickenheuer , S.C. Amico , A.S.B. Sombra","doi":"10.1016/j.mlblux.2025.100248","DOIUrl":"10.1016/j.mlblux.2025.100248","url":null,"abstract":"<div><div>This article describes a rapid method of recoating optical fibers employing the dip-coating technique, using a polypropylene film former with a silane coupling agent, which reacts, yielding a protective film over the core. The silica optical fibers were recoated with film former sizings at concentrations of 5 % and 10 %. Microscopic analysis of the recoated area showed a smooth surface and an increase in diameter of 13.4 % and 16.5 %, respectively, compared to the uncoated fiber. The maximum curvature radius of the uncoated fibers was 3.69 ± 1.70 mm, whereas the fibers recoated with the 5 % and 10 % film former sizings reached a bending radius of 1.71 ± 1.38 mm and 1.55 ± 0.98 mm, representing 53.9 % and 57.9 % reduction, respectively. This shows that recoated optical fibers are more flexible than the uncoated ones. In all, the recoating of optical fibers proposed in this work results in fibers with smooth and flexible surfaces using a simple, cost-effective technique that can be implemented on large-scale processes.</div></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"26 ","pages":"Article 100248"},"PeriodicalIF":2.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144563627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrochemical dealloying in ChCl-Urea Deep eutectic solvent: A strategy to fabricate porous FeCoNiAlMo high-entropy alloy with enhanced oxygen evolution reaction activity 在chcl -尿素深共晶溶剂中电化学脱合金：制备多孔FeCoNiAlMo高熵合金的一种增强析氧活性的策略

IF 2.6

Materials Letters: X Pub Date : 2025-12-01 Epub Date: 2025-07-30 DOI: 10.1016/j.mlblux.2025.100252

Jiangfei Wang , Weijia Chen , Yijun Wen , Yuhan Peng , Siqi Liu , Shiwei He

{"title":"Electrochemical dealloying in ChCl-Urea Deep eutectic solvent: A strategy to fabricate porous FeCoNiAlMo high-entropy alloy with enhanced oxygen evolution reaction activity","authors":"Jiangfei Wang , Weijia Chen , Yijun Wen , Yuhan Peng , Siqi Liu , Shiwei He","doi":"10.1016/j.mlblux.2025.100252","DOIUrl":"10.1016/j.mlblux.2025.100252","url":null,"abstract":"<div><div>High-entropy alloys (HEAs), as a new type of multi-element alloy, have become widely studied electrocatalytic materials in recent years due to their excellent catalytic performance. The experimental material used FeCoNiAlMo HEA with equal atomic ratio as the precursor, and three-dimensional nanostructures were formed by dealloying in choline chloride-urea (ChCl-Urea). The results indicate that Fe<sub>20</sub>Co<sub>20</sub>Ni<sub>20</sub>Al<sub>20</sub>Mo<sub>20</sub> HEA is mainly composed of body-centered cubic (BCC) phase and face-centered cubic (FCC) phase, with BCC phase accounting for a larger proportion. Due to the different corrosion resistance of elements and the difference in element content distribution between the two phases, the FCC phase is preferentially corroded, resulting in a three-dimensional porous morphology. This unique structure synergistically reduces the energy barrier during the hydrolysis dissociation process, giving the material a significant advantage in the oxygen evolution reaction (OER) process. At a current density of 10 mA cm<sup>−2</sup>, the overpotential of the treated alloy is as low as 312 mV, which is lower than the commercial RuO<sub>2</sub>-IrO<sub>2</sub>, and it has lower resistance and higher charge transfer efficiency.</div></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"26 ","pages":"Article 100252"},"PeriodicalIF":2.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144738456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimizing piezoresistive response of carbon nanotube-cellulose nanocrystal composites 优化碳纳米管-纤维素纳米晶复合材料的压阻响应

IF 2.6

Materials Letters: X Pub Date : 2025-12-01 Epub Date: 2025-10-23 DOI: 10.1016/j.mlblux.2025.100259

Joel Renaud Ngouanom Gnidakouong , Arnaud Takungang Kamdem , Bertrand Sitamtze Youmbi , Claude Valery Ngayihi Abbe

引用次数: 0