IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102152

Yiftach Kushnir , Barak Ratzker , Martin Dahlqvist , Mark Baranov , Bar Favelukis , Asaf Nitsan , Nitzan Maman , Alexander Upcher , Vladimir Ezersky , Johanna Rosen , Maxim Sokol

{"title":"Expanding MAX phases: Discovery of a double-A-layer Ti2Bi2C with rhombohedral symmetry","authors":"Yiftach Kushnir , Barak Ratzker , Martin Dahlqvist , Mark Baranov , Bar Favelukis , Asaf Nitsan , Nitzan Maman , Alexander Upcher , Vladimir Ezersky , Johanna Rosen , Maxim Sokol","doi":"10.1016/j.matt.2025.102152","DOIUrl":"10.1016/j.matt.2025.102152","url":null,"abstract":"<div><div>The ongoing search for new exotic M<sub><em>n+1</em></sub>AX<sub><em>n</em></sub> (MAX) phases, including the double-A-layer class, continues to expand their structural and chemical diversity. In this study, we report the discovery of a 221 double-A-layer MAX phase, Ti<sub>2</sub>Bi<sub>2</sub>C, synthesized via reactive synthesis in a sealed quartz ampule. First-principles calculations based on density functional theory (DFT) predict the stability of this phase. Ti<sub>2</sub>Bi<sub>2</sub>C is the first known MAX phase to adopt a rhombohedral crystal structure (space group <em>R</em>-3<em>m</em>), marking a significant addition to the structural diversity of MAX phases. The structure and composition of Ti<sub>2</sub>Bi<sub>2</sub>C were confirmed through X-ray diffraction (XRD) and high-resolution scanning transmission electron microscopy (STEM). Furthermore, a dominant orientation relationship of (102)Bi//(001)Ti<sub>2</sub>Bi<sub>2</sub>C and [010]Bi//[010]Ti<sub>2</sub>Bi<sub>2</sub>C was identified between Ti<sub>2</sub>Bi<sub>2</sub>C and Bi. The successful synthesis of Ti<sub>2</sub>Bi<sub>2</sub>C not only expands the MAX-phase family but also provides valuable insights into the potential for new, complex structures within this class of materials.</div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102152"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143979824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Decoding the evolution and dynamics of semicrystalline block copolymer assembly via liquid-phase transmission electron microscopy 通过液相透射电子显微镜解码半晶嵌段共聚物组装的演变和动力学

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102148

Jun Ho Hwang , Junyeon Yoon , Myungeun Seo , Joseph P. Patterson , Eunji Lee

{"title":"Decoding the evolution and dynamics of semicrystalline block copolymer assembly via liquid-phase transmission electron microscopy","authors":"Jun Ho Hwang , Junyeon Yoon , Myungeun Seo , Joseph P. Patterson , Eunji Lee","doi":"10.1016/j.matt.2025.102148","DOIUrl":"10.1016/j.matt.2025.102148","url":null,"abstract":"<div><div><span>Nature utilizes self-assembly to form complex, functional structures, inspiring advanced materials design. Polymer crystallization drives assemblies with both ordered and disordered regions. Crystallization-driven assembly of </span>BCPs<span><span><span><span><span><span> enables unique hierarchical nanostructures with enhanced colloidal stability and directionality, applicable from optoelectronics to biomedicine. However, mechanisms governing morphological transitions remain poorly understood due to complex </span>microphase separation and competitive crystallization. Using liquid-phase </span>transmission electron microscopy, we visualize the spontaneous assembly of semicrystalline amphiphilic </span>BCPs. We observe structural transformations from unimers to spherical, cylindrical, toroidal </span>micelles<span>, and vesicles by varying constituent block ratios. Image segmentation overcomes low contrast of aqueous assemblies, enabling motion tracking. Nanostructures exhibit structural evolution driven by long-range hydrophobic interactions from formed elemental micelles undergoing anomalous diffusion. Notably, </span></span>toroid<span> formation follows a distinct pathway compared with conventional BCPs due to semicrystalline BCPs’ preference for low curvature at the core-corona interface. Insights into assembly dynamics via real-time imaging provide strategies for controlling complex hierarchical structures.</span></span></div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102148"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143933487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Ultra-strong skin-core polymer aerogel fibers via wet-freeze spinning 超强皮芯聚合物气凝胶纤维通过湿冻纺丝

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102155

Tiantian Xue , Jingyuan Tang , Chang Liu , Longsheng Zhang , Chao Zhang , Wei Fan , Tianxi Liu

{"title":"Ultra-strong skin-core polymer aerogel fibers via wet-freeze spinning","authors":"Tiantian Xue , Jingyuan Tang , Chang Liu , Longsheng Zhang , Chao Zhang , Wei Fan , Tianxi Liu","doi":"10.1016/j.matt.2025.102155","DOIUrl":"10.1016/j.matt.2025.102155","url":null,"abstract":"<div><div><span><span><span>Aerogel<span> fibers, as synthetic fibers with a three-dimensional (3D) porous structure, outperform traditional fibers in thermal management. However, they still face the challenge of balancing mechanical properties and thermal insulation to fully realize their potential. Here, we report a wet-freeze spinning technique for the continuous, large-scale preparation of dense skin-porous core-structured </span></span>polyimide<span> aerogel fibers. The unique multiscale structural design, which includes a highly oriented dense skin layer to withstand load stresses and a porous core to impede heat transfer, achieves exceptionally high strength and low </span></span>thermal conductivity. The resulting robust skin-core polyimide (SCPI) aerogel fibers exhibit ultrahigh specific strength up to 775.8 MPa cm</span><sup>3</sup> g<sup>−1</sup>, much higher than previously reported aerogel fibers. Moreover, the obtained aerogel fabrics demonstrate excellent thermal insulation properties (30.4 mW m<sup>−1</sup> K<sup>−1</sup><span>) under long-term thermal shock. This strategy offers a universal and continuous way to prepare high-strength aerogel fibers and is crucial for promoting the fiber industry.</span></div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102155"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144088008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Biodegradable and electroactive cryogel microspheres for neurovascularized bone regeneration 用于神经血管骨再生的可生物降解电活性低温凝胶微球

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102366

Yushu Wang , Yue Wang , Xinyu Wang , Xinxin Li , Yingjie Yu , David L. Kaplan , Qing Cai

{"title":"Biodegradable and electroactive cryogel microspheres for neurovascularized bone regeneration","authors":"Yushu Wang , Yue Wang , Xinyu Wang , Xinxin Li , Yingjie Yu , David L. Kaplan , Qing Cai","doi":"10.1016/j.matt.2025.102366","DOIUrl":"10.1016/j.matt.2025.102366","url":null,"abstract":"<div><div>Bone regeneration is a complex and dynamic biological process involving vascularization, neurogenesis, and osteogenesis. Inspired by the piezoelectric properties of natural bone, this study develops an innovative dual-electroactive cryogel microsphere system that uniquely integrates conductive polymers, bioactive ion release, and piezoelectric materials to support neurovascularized bone regeneration. These injectable and biodegradable microspheres, composed of whitlockite, poly(3,4-ethylenedioxythiophene), and gelatin methacrylate, are designed to enhance electrical output and sustain bioactive ion release. <em>In vitro</em> analyses demonstrate that these dual-electroactive microspheres synergistically promote angiogenesis, lymphogenesis, neurogenesis, and osteogenesis by combining bioelectric and biochemical cues. Transcriptomic analysis highlights the activation of key signaling pathways, including MAPK-ERK1/2, PI3K-AKT, and HIF-1, underlying these regenerative processes. <em>In vivo</em> evaluations using a rat calvarial defect model confirm accelerated bone repair, with the microspheres recreating bioelectric microenvironments and facilitating bioactive ion delivery. This study presents a minimally invasive strategy for advancing bone tissue engineering and enhancing bone regeneration.</div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102366"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144778625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Critical current density measurements of Li/solid-state electrolyte anodes: Time for a rethink 锂/固态电解质阳极的临界电流密度测量：重新思考的时间

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102376

Kostiantyn V. Kravchyk , Matthias Klimpel , Maksym V. Kovalenko

引用次数: 0

Leveraging giant magnetoelasticity in soft matter for acoustic energy harvesting 利用软物质的巨磁弹性进行声波能量收集

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102156

Junyi Yin , Shaolei Wang , Jing Xu , Xun Zhao , Guorui Chen , Xiao Xiao , Jun Chen

{"title":"Leveraging giant magnetoelasticity in soft matter for acoustic energy harvesting","authors":"Junyi Yin , Shaolei Wang , Jing Xu , Xun Zhao , Guorui Chen , Xiao Xiao , Jun Chen","doi":"10.1016/j.matt.2025.102156","DOIUrl":"10.1016/j.matt.2025.102156","url":null,"abstract":"<div><div><span><span>To address the challenge of recycling energy from low-density acoustic waves found in everyday sounds such as speech and music, we developed a soft acoustic energy </span>harvester<span> based on the giant magnetoelastic effect. This harvester efficiently captures energy from various environmental sound sources. It operates by combining the giant magnetoelastic effect with a spray-coating and magnetic pre-orientation process, enabling it to convert multi-directional acoustic waves into electrical energy across a wide frequency range (0–900 Hz). The magnetoelastic generator achieves a short-circuit current density of 98 μA cm</span></span><sup>−2</sup><span> at a low internal impedance<span><span> of 300 Ω, representing a significant improvement in current output that achieves a 100-fold increase compared to existing counterparts for acoustic energy harvesting. With inherent waterproofness and dustproofness, it can function effectively in humid or dusty conditions without extra encapsulation. The acoustic energy harvester demonstrates excellent scalability, making it suitable for diverse applications in </span>sustainable energy systems.</span></span></div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102156"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144153838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

A thermoresponsive bioadhesive MXene hydrogel for intelligent brain-machine interaction sensing 一种用于脑机交互传感的热响应性生物胶粘剂MXene水凝胶

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102150

Hailiang Zhou , Mohan Yang , Wenxin He , Yingxin Gao , Xiaobo Zhu , Jin Wu , Liqun Zhang , Pengbo Wan

{"title":"A thermoresponsive bioadhesive MXene hydrogel for intelligent brain-machine interaction sensing","authors":"Hailiang Zhou , Mohan Yang , Wenxin He , Yingxin Gao , Xiaobo Zhu , Jin Wu , Liqun Zhang , Pengbo Wan","doi":"10.1016/j.matt.2025.102150","DOIUrl":"10.1016/j.matt.2025.102150","url":null,"abstract":"<div><div><span><span><span><span>Flexible wearable bioelectronics based on conducting hydrogels are attracting tremendous research interest for their conformal combination with biological tissues, demonstrating extensive potential in personal healthcare sensing, medical diagnostic monitoring, and intelligent human-machine interfacing. However, it is still a great challenge to develop a bioelectronic sensor with robust thermoresponsive bioadhesiveness to achieve long-term stable and non-invasive human activity monitoring with high fidelity and sensitivity. Herein, a thermoresponsive bioadhesive hydrogel-based bioelectronic sensor is designed by dexterously combining a biological </span>polymer network of natural gelatin and oxidized </span>hyaluronic acid with a conducting </span>MXene (Ti</span><sub>3</sub>C<sub>2</sub>T<sub>x</sub><span>) nanosheet network via Schiff-base bonds and supramolecular interactions. Benefiting from their unique temperature-responsive adhesiveness and sol-gel phase transition, the as-assembled flexible electronics exhibit admirable on-demand conformal adhesion and low interfacial impedance, enabling ultra-sensitive human motion monitoring with high signal-to-noise ratio (SNR up to 33.02 dB), highlighting its potential for intelligent human-machine interfacing and personalized healthcare monitoring in next-generation flexible bioelectronics.</span></div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102150"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144066283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Lattice compressive strain-controlled electromagnetic wave absorption in TMDs by plasma-assisted rapid annealing 等离子体辅助快速退火中晶格压缩应变控制的tmd电磁波吸收

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102151

Jiaming Wen , Yiyang Liu , Shengchong Hui , Lechun Deng , Limin Zhang , Xiaomeng Fan , Qiang Chen , Xingmin Liu , Xiangcheng Li , Na Yan , Hongjing Wu

{"title":"Lattice compressive strain-controlled electromagnetic wave absorption in TMDs by plasma-assisted rapid annealing","authors":"Jiaming Wen , Yiyang Liu , Shengchong Hui , Lechun Deng , Limin Zhang , Xiaomeng Fan , Qiang Chen , Xingmin Liu , Xiangcheng Li , Na Yan , Hongjing Wu","doi":"10.1016/j.matt.2025.102151","DOIUrl":"10.1016/j.matt.2025.102151","url":null,"abstract":"<div><div><span>The strain control of a transition metal dichalcogenide<span> (TMD) absorber is an intriguing approach for tuning electromagnetic wave<span> absorption properties. Moreover, efficient and lower-temperature methods are needed to modulate lattice strain. Here, we report an efficient approach to trigger the growth of MoO</span></span></span><sub>3</sub>@MoTe<sub>2(1−2<em>x</em>)</sub>S<sub>2<em>x</em></sub><span><span> via plasma-assisted relatively rapid annealing (PARA) at a ramp rate<span> of 80°C/min up to 500°C. The high-energy particles and active radicals (·N) generated by plasma enhanced thermal interactions of annealing, together with the extrusion of polar chalcogen with larger radii and the construction of an electronic buffer layer with a shell-core structure modulating the lattice </span></span>compressive strain. Benefiting from the tailored lattice strains along with the Te content increases in PARA-MoTe</span><sub>2(1−<em>X</em>)</sub>S<sub>2<em>X</em></sub>, the effective absorption bandwidth of PARA-MoTe<sub>1.5</sub>S<sub>0.5</sub> with a maximum strain of 1.15% reaches 9.01 GHz at a thickness of 2.92 mm, significantly outperforming the MoO<sub>3</sub> counterpart (0 GHz).</div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102151"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144066281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Closed-loop optimization using machine learning for the accelerated design of sustainable cements incorporating algal biomatter 利用机器学习进行闭环优化，加速设计含有藻类生物物质的可持续水泥

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102267

Meng-Yen Lin , Kristen Severson , Paul Grandgeorge , Eleftheria Roumeli

{"title":"Closed-loop optimization using machine learning for the accelerated design of sustainable cements incorporating algal biomatter","authors":"Meng-Yen Lin , Kristen Severson , Paul Grandgeorge , Eleftheria Roumeli","doi":"10.1016/j.matt.2025.102267","DOIUrl":"10.1016/j.matt.2025.102267","url":null,"abstract":"<div><div>The substantial embodied carbon of cement, coupled with the ever-increasing need for construction materials, motivates the need for more sustainable cementitious materials. An emerging strategy to mitigate CO<sub>2</sub> emissions involves incorporating carbon-negative biomatter; however, this introduces new challenges due to complex hydration-strength relationships and the combinatorial design space. Here, using machine learning, we develop a closed-loop optimization strategy to accelerate green-cement design with minimal CO<sub>2</sub> emissions while meeting compressive-strength criterion. Green cements incorporating algae are tested in real time to predict strength evolution, with early-stopping criteria applied to accelerate the optimization process. This approach, using only 28 days of experiment time, attains both the strength requirement and 93% of the achievable improvement in global warming potential (GWP), resulting in a cement that has a 21% reduction in GWP. We further validate model-informed relationships via analysis of hydration, demonstrating the potential for developing materials grounded in scientific understanding.</div></div>","PeriodicalId":388,"journal":{"name":"Matter","volume":"8 9","pages":"Article 102267"},"PeriodicalIF":17.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144587027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

On fruits and physics (and the sound of purple) 关于水果和物理（还有紫色的声音）

IF 17.5 1区材料科学

Matter Pub Date : 2025-09-03 DOI: 10.1016/j.matt.2025.102387

Sandra Skjaervoe

引用次数: 0

Matter最新文献