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Emergent mechanical properties in highly filled additively manufactured polymer composites 高填充添加型聚合物复合材料的新机械特性
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-12 DOI: 10.1557/s43579-024-00530-x
Tahamina Nasrin, Ahmed O. Adisa, Christopher J. Hansen, Farhad Pourkamali-Anaraki, Robert E. Jensen, Amy M. Peterson
{"title":"Emergent mechanical properties in highly filled additively manufactured polymer composites","authors":"Tahamina Nasrin, Ahmed O. Adisa, Christopher J. Hansen, Farhad Pourkamali-Anaraki, Robert E. Jensen, Amy M. Peterson","doi":"10.1557/s43579-024-00530-x","DOIUrl":"https://doi.org/10.1557/s43579-024-00530-x","url":null,"abstract":"<p>In this work, we investigate additively manufactured composites with populations of coarse and fine glass microspheres that are functionalized using silane coupling agents to explore how and why different functionalization of the fine and coarse fractions leads to vastly different mechanics. Combining strong interfaces on fine particles with weak interfaces on coarse particles leads to enhancements in elongation to break and toughness, whereas combining two types of strong interfaces leads to enhancement in elongation to break and reduction or maintenance of other measured tensile properties. These results can inform future work in tailoring mechanics of highly filled additively manufactured composites.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"33 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768648","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
Utilizing machine learning to model interdependency of bulk molecular weight, solution concentration, and thickness of spin coated polystyrene thin films 利用机器学习模拟旋涂聚苯乙烯薄膜的体积分子量、溶液浓度和厚度之间的相互依存关系
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-12 DOI: 10.1557/s43579-024-00527-6
Alexander Chenyu Wang, Samuel Z. Chen, Evan Xie, Matthew Chang, Anthony Zhu, Adam Hansen, John Jerome, Miriam Rafailovich
{"title":"Utilizing machine learning to model interdependency of bulk molecular weight, solution concentration, and thickness of spin coated polystyrene thin films","authors":"Alexander Chenyu Wang, Samuel Z. Chen, Evan Xie, Matthew Chang, Anthony Zhu, Adam Hansen, John Jerome, Miriam Rafailovich","doi":"10.1557/s43579-024-00527-6","DOIUrl":"https://doi.org/10.1557/s43579-024-00527-6","url":null,"abstract":"<p>Spin coating is a quick and inexpensive method to create nanometer-thick thin films of various polymers on solid substrates. Since the film thickness determines the mechanical, optical, and degradation properties of the coating, it is essential to develop a simple method to predict thickness based on other manipulatable factors. In this study, a three-dimensional manifold simultaneously relating initial solution concentration, film thickness, and monodisperse bulk molecular weight is developed utilizing curve-fit machine learning on a dataset of spin coated polystyrene samples. Given values for any two of the three factors, the manifold presents an accurate corresponding value for the unknown.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"15 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768468","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
Nano-sized polymer-assisted cold sintering and recycling of ceramic composites 纳米级聚合物辅助陶瓷复合材料的冷烧结和回收利用
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-12 DOI: 10.1557/s43579-024-00524-9
Juchen Zhang, Enrique D. Gomez, Hongtao Sun
{"title":"Nano-sized polymer-assisted cold sintering and recycling of ceramic composites","authors":"Juchen Zhang, Enrique D. Gomez, Hongtao Sun","doi":"10.1557/s43579-024-00524-9","DOIUrl":"https://doi.org/10.1557/s43579-024-00524-9","url":null,"abstract":"<p>Cold sintering is an emerging technology that significantly reduces sintering temperatures by approximately an order of magnitude, down to about 100–200°C. This reduction of processing temperature enables the co-sintering and integration of dissimilar materials, such as ceramics and polymers, into unprecedented composites, where the low-energy consumption densification provides an opportunity for recycling. Here, we cold sintered barium titanate (BaTiO<sub>3</sub>)-polytetrafluoroethylene (PTFE) ceramic-polymer composites, demonstrating that nano-sized PTFE polymer powders facilitate co-sintering and enable the recycling of ceramic composites. This approach offers an opportunity for reusing and re-processing ceramic components, thereby promoting sustainability through waste reduction and energy savings.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"39 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768294","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
Effect of modulation period on the mechanical and tribological behavior of (CrNbTiAlV)CN/MoN coatings 调制周期对 (CrNbTiAlV)CN/MoN 涂层机械和摩擦学行为的影响
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-09 DOI: 10.1557/s43579-024-00526-7
Xiaolong Lu, Haibin Zhou, Xudong Sui, Cong Wang, Xiao Zhang, Wenchang Wang, Junying Hao
{"title":"Effect of modulation period on the mechanical and tribological behavior of (CrNbTiAlV)CN/MoN coatings","authors":"Xiaolong Lu, Haibin Zhou, Xudong Sui, Cong Wang, Xiao Zhang, Wenchang Wang, Junying Hao","doi":"10.1557/s43579-024-00526-7","DOIUrl":"https://doi.org/10.1557/s43579-024-00526-7","url":null,"abstract":"<p>This work is to deposit (CrNbTiAlV)CN/MoN coatings by alternating sputtering with multiple targets. The hardness and elastic modulus of the (CrNbTiAlV)CN/MoN multilayer coatings gradually increase with the decreasing of the modulation period from 420 to 110 nm; however, the values decrease on the multilayer coating with a modulation period of 50 nm. As the modulation period decreases, the characteristic of MoO<sub>3</sub> debris changes from large flakes to smooth transfer tribolayers and then to small particles. The coating with a modulation period of 110 nm has a minimum friction coefficient and wear rate of about 0.11 and 4.4 × 10<sup>–6</sup> mm<sup>3</sup>/(N m) at 500°C, respectively. This can be attributed to the fact that it has the best resistance to plastic deformation and tends to form smooth transfer tribolayers.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"20 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768646","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
Intelligent neuromorphic computing based on nanophotonics and metamaterials 基于纳米光子学和超材料的智能神经形态计算
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-08 DOI: 10.1557/s43579-024-00520-z
Qian Ma, Xinxin Gao, Ze Gu, Che Liu, Lianlin Li, Jian Wei You, Tie Jun Cui
{"title":"Intelligent neuromorphic computing based on nanophotonics and metamaterials","authors":"Qian Ma, Xinxin Gao, Ze Gu, Che Liu, Lianlin Li, Jian Wei You, Tie Jun Cui","doi":"10.1557/s43579-024-00520-z","DOIUrl":"https://doi.org/10.1557/s43579-024-00520-z","url":null,"abstract":"<p>With the rapid development of artificial intelligence and computing chips approaching the bottleneck of power consumption and computing power, the research on intelligent computing hardware with high speed and high energy efficiency is an important trend. Recently, neuromorphic computing represented by photonic circuit neural networks and all-optical diffraction neural networks has attracted widespread attention due to their ultra-fast and ultra-efficient computing architectures. In this perspective, we first review some representative works and introduce them through two main lines of planar photonic circuit neural networks and three-dimensional diffraction neural networks to compare their characteristics and performance. We further discuss programmable designs for neuromorphic computing hardware, which bring it closer to general-purpose computing devices. Besides intelligent neural networks in the optical band, we also review the development and application of the diffractive neural networks in the microwave band, showing their programmable capabilities. Finally, we present the future directions and development trends of intelligent neuromorphic computing and its potential applications in wireless communications, information processing, and sensing.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"242 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768466","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
Drug delivery in thermo-responsive silicone catheters by grafting of N-vinylcaprolactam using gamma radiation 利用伽马射线接枝 N-乙烯基己内酰胺在热响应硅导管中给药
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-08 DOI: 10.1557/s43579-024-00528-5
Manuel U. Ramirez-Fuentes, Lorena Duarte-Peña, Emilio Bucio
{"title":"Drug delivery in thermo-responsive silicone catheters by grafting of N-vinylcaprolactam using gamma radiation","authors":"Manuel U. Ramirez-Fuentes, Lorena Duarte-Peña, Emilio Bucio","doi":"10.1557/s43579-024-00528-5","DOIUrl":"https://doi.org/10.1557/s43579-024-00528-5","url":null,"abstract":"<p>Radiation-induced graft polymerization of poly(N-vinylcaprolactam) onto silicone catheters by direct irradiation method was studied. The effects of the irradiation dose, as well as the monomer concentration, on the grafting efficiency were studied. The conditions for achieving maximum grafting yield were observed at 30% of monomer concentration in toluene at 50 kGy. The graft polymerization was examined by different characterization methods, including measurements such as thermogravimetric analysis, infrared, water contact angle, and swelling. The temperature-responsive behavior of smart grafted copolymer was studied by swelling at different temperatures. Differently from pristine silicone catheter, the N-vinylcaprolactam-grafted catheters were able to load vancomycin and sustain the release for 30 h.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"99 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768441","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
Slot-die coating of formamidinium-cesium mixed halide perovskites in ambient conditions with FAAc additive 使用 FAAc 添加剂在环境条件下对甲脒铯混合卤化物包晶石进行槽栅镀膜
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-07 DOI: 10.1557/s43579-024-00522-x
Nischal Khakurel, Drew Amyx, Maggie Yihong Chen, Yoichi Miyahara, Wilhelmus J. Geerts
{"title":"Slot-die coating of formamidinium-cesium mixed halide perovskites in ambient conditions with FAAc additive","authors":"Nischal Khakurel, Drew Amyx, Maggie Yihong Chen, Yoichi Miyahara, Wilhelmus J. Geerts","doi":"10.1557/s43579-024-00522-x","DOIUrl":"https://doi.org/10.1557/s43579-024-00522-x","url":null,"abstract":"<p>Continuous pin-hole free FA<sub>0.78</sub>Cs<sub>0.22</sub>Pb(I<sub>0.85</sub>Br<sub>0.15</sub>)<sub>3</sub> films are deposited by gas-assisted slot-die printing under ambient conditions using DMF/DMSO based ink containing Formamdinium Acetate additive. Using a binary solvent mixture of DMF and DMSO is effective in eliminating the non-perovskite phase that occurs when DMF alone is used. Print-speed, gas flow rate and chuck temperature are optimized to realize homogeneous films with constant bandgap (1.63 eV) over large substrates (2″ × 4″). The perovskite films prepared using two solvents DMF and DMF: DMSO (9:1) were incorporated in single junction devices. The resulting devices show improved fill factor with improved power conversion efficiency.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"216 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768442","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
Molecularly doped polythiophene film as an efficient photocathode for oxygen reduction to hydrogen peroxide 分子掺杂聚噻吩薄膜作为氧气还原成过氧化氢的高效光电阴极
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-07 DOI: 10.1557/s43579-024-00523-w
Hiromi Shinohara, Hiroyuki Nishide
{"title":"Molecularly doped polythiophene film as an efficient photocathode for oxygen reduction to hydrogen peroxide","authors":"Hiromi Shinohara, Hiroyuki Nishide","doi":"10.1557/s43579-024-00523-w","DOIUrl":"https://doi.org/10.1557/s43579-024-00523-w","url":null,"abstract":"<p>The molecularly doped poly(3-hexylthiophene) (P3HT) was used for the first time as a photocathode for reducing oxygen to H<sub>2</sub>O<sub>2</sub>. For this purpose, a P3HT film was doped with hexaazatriphenylenehexacarbonitrile, which increased the oxygen reduction current at an applied negative potential in the dark. Visible light illumination of the doped P3HT film significantly facilitated the oxygen reduction with a high current density and shifted the onset potential beyond the reaction equilibrium potential. The oxygen reduction performance of the doped P3HT film is discussed in relation to the energy level diagram.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"2019 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768465","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
Coupled line waves in parallel-plate metasurface waveguides 平行板元面波导中的耦合线波
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-02-01 DOI: 10.1557/s43579-024-00519-6
{"title":"Coupled line waves in parallel-plate metasurface waveguides","authors":"","doi":"10.1557/s43579-024-00519-6","DOIUrl":"https://doi.org/10.1557/s43579-024-00519-6","url":null,"abstract":"<h3>Abstract</h3> <p>We investigate the electromagnetic modes supported by parallel-plate waveguides created by juxtaposing two planar metasurface junctions, focusing on specific parameter ranges where each junction sustains a line wave. We explore how these waves interact as the waveguide thickness changes, considering both purely reactive and non-Hermitian scenarios (incorporating gain/loss). Our findings suggest the potential to achieve tightly confined, quasi-one-dimensional modes, as well as exceptional points and intriguing transitions between waveguiding and radiative regimes. These findings hold promise for applications in fields ranging from nonlinear optics to sensing and imaging.</p> <span> <h3>Graphical abstract</h3> <p> <span> <span> <img alt=\"\" src=\"https://static-content.springer.com/image/MediaObjects/43579_2024_519_Figa_HTML.png\"/> </span> </span></p> </span>","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"2 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139669501","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
Energy absorption of AlSi10Mg origami cellular structures fabricated via laser powder bed fusion 通过激光粉末床熔融制造的 AlSi10Mg 折纸蜂窝结构的能量吸收
IF 1.9 4区 材料科学
MRS Communications Pub Date : 2024-01-31 DOI: 10.1557/s43579-024-00518-7
{"title":"Energy absorption of AlSi10Mg origami cellular structures fabricated via laser powder bed fusion","authors":"","doi":"10.1557/s43579-024-00518-7","DOIUrl":"https://doi.org/10.1557/s43579-024-00518-7","url":null,"abstract":"<h3>Abstract</h3> <p>We experimentally study the energy absorption of metallic origami cellular structures additively manufactured from an AlSi10Mg alloy. We fabricate AlSi10Mg origami using the laser powder bed fusion (L-PBF) process. Since the as-fabricated AlSi10Mg has limited elongation at break, we systematically examine the heat treatment conditions and achieve the large deformation (i.e., wide folding range) of AlSi10Mg origami without fracture of origami creases. In addition, we use a drop tower impact system to demonstrate the effectiveness of AlSi10Mg origami’s folding behavior for impact energy absorption. Based on our experimental results, AlSi10Mg origami cellular structures could be exploited to develop a highly efficient lightweight impact absorber.</p> <span> <h3>Graphical abstract</h3> <p> <span> <span> <img alt=\"\" src=\"https://static-content.springer.com/image/MediaObjects/43579_2024_518_Figa_HTML.png\"/> </span> </span></p> </span>","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"178 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139647908","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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