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Modulation on interfacial states for the improved charge storage performance in HfO2 matrix embedded CoO nanoparticles-based memory capacitors 调节界面态以提高基于 HfO2 矩阵嵌入 CoO 纳米粒子的记忆电容器的电荷存储性能
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-09 DOI: 10.1016/j.matlet.2024.137686
Yanping Zheng, Xingfang Luo, Ce Hu, Zhenzhen Jiang, Cailei Yuan, Hang Zhou
{"title":"Modulation on interfacial states for the improved charge storage performance in HfO2 matrix embedded CoO nanoparticles-based memory capacitors","authors":"Yanping Zheng,&nbsp;Xingfang Luo,&nbsp;Ce Hu,&nbsp;Zhenzhen Jiang,&nbsp;Cailei Yuan,&nbsp;Hang Zhou","doi":"10.1016/j.matlet.2024.137686","DOIUrl":"10.1016/j.matlet.2024.137686","url":null,"abstract":"<div><div>The surface defect and interfacial states in nanoparticles have strong carrier trapping capacity and are closely related to the charge storage capacity and life of nanoparticles memory devices. In this work, solid and hollow CoO nanoparticles confined in amorphous HfO<sub>2</sub> high dielectric thin film with similar size and density were synthesized and characterized, and the effect of interfacial state regulation of nanoparticles on charge storage performance of memory capacitors was studied by comparing the experimental data of the two samples. A larger memory window was observed in the memory capacitor based on hollow CoO nanoparticles comparing to the solid one, which is attributed to an abundant of defects originated from the surface and grain boundaries of CoO nanoparticles with hollow structure. Artificially controlling surface defects and interface states of nanoparticles from the nano-floating gate memory is of great significance in the development of memory devices.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137686"},"PeriodicalIF":2.7,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbonized zeolitic imidazolate framework-incorporated electrospun polymeric nanofiber composite for supercapacitor applications 应用于超级电容器的碳化沸石咪唑酸盐框架内嵌电纺聚合物纳米纤维复合材料
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-09 DOI: 10.1016/j.matlet.2024.137698
Tathagata Kar, Israel Martínez Díaz, Maura Casales-Díaz, José Juan Ramos-Hernández, María Fernanda Flores-Rodríguez, Thangamani Jayaram Gounder, Ramiro Pérez, Mohan Kumar Kesarla
{"title":"Carbonized zeolitic imidazolate framework-incorporated electrospun polymeric nanofiber composite for supercapacitor applications","authors":"Tathagata Kar,&nbsp;Israel Martínez Díaz,&nbsp;Maura Casales-Díaz,&nbsp;José Juan Ramos-Hernández,&nbsp;María Fernanda Flores-Rodríguez,&nbsp;Thangamani Jayaram Gounder,&nbsp;Ramiro Pérez,&nbsp;Mohan Kumar Kesarla","doi":"10.1016/j.matlet.2024.137698","DOIUrl":"10.1016/j.matlet.2024.137698","url":null,"abstract":"<div><div>Carbon nanofibers are rapidly emerging as efficient electrode materials for energy storage. Given this, we established a simple <em>in-situ</em> technique to grow zeolitic imidazolate framework (ZIF8) particles on electrospun polyacrylonitrile (PAN)–polyvinylpyrrolidone (PVP) nanofibers. Our systematic experiments indicate that the PAN/PVP/ZIF8 (PPZ8) nanofibers carbonized at 800–900 °C (C|PPZ8-800/900) are electrochemically capacitive. The C|PPZ8-800/900 samples exhibit the maximum specific capacitance values (∼180.69 F·g<sup>−1</sup>) and excellent electrochemical stability (∼100 %) in 1.0 M H<sub>2</sub>SO<sub>4</sub>. Incorporation of ZIF8 particles induces a mesoporous behaviour in the PPZ8 composite during carbonization and allows the nanofibers to retain their structural stability. The degree of graphitization and traces of metallic-Zn (contributing towards lower charge-transfer resistance) in the tested C|PPZ8 nanofiber composites significantly affects their electrochemical capacitive performance.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137698"},"PeriodicalIF":2.7,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Subsampling approach and data-driven models to predict silicate glass melt viscosity 预测硅酸盐玻璃熔体粘度的子采样方法和数据驱动模型
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-09 DOI: 10.1016/j.matlet.2024.137691
Damien Perret , Alexandra Garcin , Carole Soual , François Bergeret
{"title":"Subsampling approach and data-driven models to predict silicate glass melt viscosity","authors":"Damien Perret ,&nbsp;Alexandra Garcin ,&nbsp;Carole Soual ,&nbsp;François Bergeret","doi":"10.1016/j.matlet.2024.137691","DOIUrl":"10.1016/j.matlet.2024.137691","url":null,"abstract":"<div><div>This study focused on developing a predictive tool for calculating glass melt viscosity between 900 °C and 1500 °C. A database containing approximately 16<!--> <!-->000 silicate glass compositions was built using both literature data and a proprietary dataset. The approach integrates statistical techniques, including design of experiments, machine learning, and subsampling strategies for model training. Prediction accuracy was found to be highly promising for the various types of silicate glasses studied. The relative error in viscosity prediction at 1200 °C was approximately 20 % for simple SBN compositions, and less than one order of magnitude for more complex compositions.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137691"},"PeriodicalIF":2.7,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142721748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial for the Special Issue “Nanomaterials for a Better World” 为特刊 "纳米材料让世界更美好 "撰写社论
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-09 DOI: 10.1016/j.matlet.2024.137697
Sandra Rodil, Vicente Rodriguez-Gonzalez, Alejandro Perez-Larios, Agileo Hernández-Gordillo
{"title":"Editorial for the Special Issue “Nanomaterials for a Better World”","authors":"Sandra Rodil,&nbsp;Vicente Rodriguez-Gonzalez,&nbsp;Alejandro Perez-Larios,&nbsp;Agileo Hernández-Gordillo","doi":"10.1016/j.matlet.2024.137697","DOIUrl":"10.1016/j.matlet.2024.137697","url":null,"abstract":"","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137697"},"PeriodicalIF":2.7,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142721749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unraveling the new role of La on arc erosion behavior of C/Cu-based electrical contacts 揭示 La 对 C/Cu 基电触头电弧侵蚀行为的新作用
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-07 DOI: 10.1016/j.matlet.2024.137669
Bingtian Li , Ziyao Chen , ZhenJie Guan , Runchen Yang , Weijian Li , Liang Zhen , Wenzhu Shao
{"title":"Unraveling the new role of La on arc erosion behavior of C/Cu-based electrical contacts","authors":"Bingtian Li ,&nbsp;Ziyao Chen ,&nbsp;ZhenJie Guan ,&nbsp;Runchen Yang ,&nbsp;Weijian Li ,&nbsp;Liang Zhen ,&nbsp;Wenzhu Shao","doi":"10.1016/j.matlet.2024.137669","DOIUrl":"10.1016/j.matlet.2024.137669","url":null,"abstract":"<div><div>Copper/carbon (C/Cu) electrical contact materials are widely used in low-voltage appliances due to their exceptional conductivity and anti-ablation properties. However, the oxidation of Cu during operation and the suboptimal wettability at the C/Cu interface negatively impact its arc-resistant performance. This study explores the potential for enhancing the arc-resistant characteristics of C/Cu electrical contact materials through the alloying of La in Cu. The findings indicate that La alloying in Cu significantly decreases the contact resistance (from 50 mΩ to 2.2 mΩ) and mass loss (by 50%) of C/Cu electrical contact materials.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137669"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The preparation of inclined c-axis YBa2Cu3O7-δ sensitive film with the transverse thermoelectric effect based on the flexible metal-based substrate 基于柔性金属基底制备具有横向热电效应的倾斜 c 轴 YBa2Cu3O7-δ 敏感膜
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-07 DOI: 10.1016/j.matlet.2024.137689
Zhenzhe Li , Bowan Tao , Ruipeng Zhao , Kai Yang , Xi Chen , Tian Xie , Mingyuan Zhao , Yudong Xia
{"title":"The preparation of inclined c-axis YBa2Cu3O7-δ sensitive film with the transverse thermoelectric effect based on the flexible metal-based substrate","authors":"Zhenzhe Li ,&nbsp;Bowan Tao ,&nbsp;Ruipeng Zhao ,&nbsp;Kai Yang ,&nbsp;Xi Chen ,&nbsp;Tian Xie ,&nbsp;Mingyuan Zhao ,&nbsp;Yudong Xia","doi":"10.1016/j.matlet.2024.137689","DOIUrl":"10.1016/j.matlet.2024.137689","url":null,"abstract":"<div><div>The YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-δ</sub>-based atomic layer thermopile (ALTP) heat flux sensor, characterized by its high response frequency, has been utilized in scale-model testing within hypersonic ground-based facilities to detect the unsteady fluctuating heat flux caused by the laminar-to-turbulent boundary-layer transition. However, the insert-assembled method and typical single crystal substrate lead to complex operational procedures and measurement inaccuracies. Consequently, preparing high-orientation, <em>c</em>-axis inclined YBCO films on flexible substrate may provide a viable solution for accommodating the irregular surface of models. In this work, the <em>c</em>-axis inclined YBCO films were successfully epitaxially grown on the unoriented metal-based flexible substrate by incorporating the MgO template layer. The epitaxial quality is closely associated with the deposition temperature, where the good crystal quality and biaxial texture (<em>Δχ</em> = 4.31°, <em>Δφ</em> = 10.86°) are obtained under the proper temperature. Additionally, the remarkable transverse thermoelectric effect performance further indicates the successful epitaxial growth of the YBCO sensitive film.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137689"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ternary ZnO/Co3O4/CuO heterostructure nanocomposites derived from trimetallic metal-organic frameworks for efficient electrocatalytic water oxidation 源自三金属金属有机框架的三元 ZnO/Co3O4/CuO 异质结构纳米复合材料用于高效电催化水氧化
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-07 DOI: 10.1016/j.matlet.2024.137692
Peng Zhong , Jiacheng Wang , Jie Zhu , Haoran Lin , Lin Li , Xiaoming Lin , Yuchen Zheng , Hao Yang , Lei Hu
{"title":"Ternary ZnO/Co3O4/CuO heterostructure nanocomposites derived from trimetallic metal-organic frameworks for efficient electrocatalytic water oxidation","authors":"Peng Zhong ,&nbsp;Jiacheng Wang ,&nbsp;Jie Zhu ,&nbsp;Haoran Lin ,&nbsp;Lin Li ,&nbsp;Xiaoming Lin ,&nbsp;Yuchen Zheng ,&nbsp;Hao Yang ,&nbsp;Lei Hu","doi":"10.1016/j.matlet.2024.137692","DOIUrl":"10.1016/j.matlet.2024.137692","url":null,"abstract":"<div><div>Enhancing the electrocatalytic performance of transition-metal oxide catalysts by optimizing the active center at the multi-component heterointerface is a daunting task. Herein, the three-component ZnO/Co<sub>3</sub>O<sub>4</sub>/CuO heterostructure composite catalyst was effectively produced through a room-temperature precipitation reaction, followed by calcination in air. The ZnO/Co<sub>3</sub>O<sub>4</sub>/CuO ternary heterostructure catalyst showed superior oxygen evolution reaction (OER) performance, characterized<!--> <!-->by a low overpotential (312 mV at 10 mA cm<sup>−2</sup>) and Tafel slope (83.5 mV dec<sup>-1</sup>) compared to the ZnO, Co<sub>3</sub>O<sub>4</sub>, ZnO/CuO, ZnO/Co<sub>3</sub>O<sub>4</sub>, and Co<sub>3</sub>O<sub>4</sub>/CuO catalysts. The research shows that the property of electrocatalytic oxygen evolution is greatly enhanced due to the combined impact of each component.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137692"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assembly of S-Scheme heterojunction In2S3/Zr-bcu-22bipy44dc: Optimize the optical-electronic properties for highly efficient photochemical decontamination of Cr(VI) ions and dyes 组装 S-Scheme 异质结 In2S3/Zr-bcu-22bipy44dc：优化光电特性，实现六价铬离子和染料的高效光化学净化
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-07 DOI: 10.1016/j.matlet.2024.137687
Ying-Ying Qiao , Yang-Yang Si , Jie Liu , Zhi-Qiang Wu , Cang Liu , Qing Li , Long Yuan
{"title":"Assembly of S-Scheme heterojunction In2S3/Zr-bcu-22bipy44dc: Optimize the optical-electronic properties for highly efficient photochemical decontamination of Cr(VI) ions and dyes","authors":"Ying-Ying Qiao ,&nbsp;Yang-Yang Si ,&nbsp;Jie Liu ,&nbsp;Zhi-Qiang Wu ,&nbsp;Cang Liu ,&nbsp;Qing Li ,&nbsp;Long Yuan","doi":"10.1016/j.matlet.2024.137687","DOIUrl":"10.1016/j.matlet.2024.137687","url":null,"abstract":"<div><div>Zr-<strong><em>bcu</em></strong>-22bipy44dc, which features a LUMO positioned closer to the VB of In<sub>2</sub>S<sub>3</sub>, was utilized to assemble a S-Scheme heterojunction IS-Zr-MOF. Due to the appropriate band structure dislocation, the optical-electronic properties have been notably optimized. The photocatalytic reduction efficiency of IS-Zr-MOF-2 for Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup> has achieved 98.6 % just within 30 min, under 500 W xenon lamp. It also displays effective degradation ability towards reactive dyes RB13, RB21 and RR15, under 500 W mercury lamp. This study presents a practical approach to create novel bi-functional photocatalysts for remediation of water environment.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137687"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Additive manufacturing-assisted casting of 3D micro-architected heat sinks 添加剂制造辅助铸造三维微架构散热器
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-07 DOI: 10.1016/j.matlet.2024.137641
Oraib Al-Ketan
{"title":"Additive manufacturing-assisted casting of 3D micro-architected heat sinks","authors":"Oraib Al-Ketan","doi":"10.1016/j.matlet.2024.137641","DOIUrl":"10.1016/j.matlet.2024.137641","url":null,"abstract":"<div><div>The rapid advancement in electronic devices has heightened thermal management challenges. This study presents the fabrication of 3D micro-architected heatsinks using additive manufacturing (AM) assisted casting. This approach merges AM’s design flexibility with casting’s cost-effectiveness and versatility, enabling complex heatsink geometries. The fabricated heatsinks were analyzed using scanning electron microscopy and computed tomography. The thermal behavior of the heatsinks was assessed in forced convection conditions. A temperature drop at the base ranging from 5% to 13% was measured.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137641"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploration of silk-hyaluronic acid hydrogels crosslinked by the Fenton reaction 探索通过芬顿反应交联的丝-透明质酸水凝胶
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-07 DOI: 10.1016/j.matlet.2024.137682
Yeong Won Park, Dong Yun Lee, Jaewon Choi
{"title":"Exploration of silk-hyaluronic acid hydrogels crosslinked by the Fenton reaction","authors":"Yeong Won Park,&nbsp;Dong Yun Lee,&nbsp;Jaewon Choi","doi":"10.1016/j.matlet.2024.137682","DOIUrl":"10.1016/j.matlet.2024.137682","url":null,"abstract":"<div><div>Herein, HRP-free silk-HA hybrid hydrogels are generated using the Fenton reaction. The findings reveal that a higher HA concentration, at an appropriate crosslinking density, increases the random coil content while decreasing the <em>β</em>-sheet content by reducing the interactions of Fe<sup>3+</sup> ions with silk fibroin. This facilitates the formation of homogeneous hydrogel networks with enhanced optical transparency. The crosslinking strategies presented here offer a basis for the fabrication of hybrid hydrogel scaffolds based on proteins or polymers having phenolic hydroxyl moieties, without the use of HRP-catalyzed reactions, for a broad range of biomedical applications.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137682"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142656533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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