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Ultralow contact resistance in halide perovskite devices 卤化物钙钛矿器件的超低接触电阻
IF 41.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-20 DOI: 10.1038/s41563-026-02482-0
Taoyu Zou, Yong-Young Noh
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引用次数: 0
Interface complexes unlock ultrahigh-strength martensite 界面配合物释放超高强度马氏体
IF 38.5 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-20 DOI: 10.1038/s41563-026-02497-7
Min Seok Kim, Eun Soo Park
A martensitic medium-entropy alloy surpasses the long-standing strength–ductility ceiling of conventional ultrahigh-strength steels. The strengthening without sacrificing ductility originates from Mo–B–C interface complexes that stabilize small-angle grain boundaries.
马氏体中熵合金超越了传统超高强度钢长期存在的强度-延展性上限。不牺牲延性的强化源于稳定小角度晶界的Mo-B-C界面配合物。
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引用次数: 0
Restoring the tumour mechanophenotype of vocal fold cancer reverts its malignant properties 恢复声带癌的肿瘤机械表型可恢复其恶性特性
IF 41.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-20 DOI: 10.1038/s41563-025-02473-7
Jasmin Kaivola, Karolina Punovuori, Megan R. Chastney, Hind Abdo, Gautier Follain, Mathilde Mathieu, Omkar Joshi, Yekaterina A. Miroshnikova, Fabian Krautgasser, Jasmin Di Franco, James R. W. Conway, Sofia Held, Fabien Bertillot, Jaana Hagström, Antti Mäkitie, Heikki Irjala, Sami Ventelä, Hellyeh Hamidi, Giorgio Scita, Roberto Cerbino, Sara A. Wickström, Johanna Ivaska
Increased extracellular matrix deposition and stiffness promotes solid tumour progression. Yet, the precise mechanotransduction pathways, especially in less-studied mechanically responsive cancers, remain poorly understood. Here we address this gap using patient-derived tumour cells from early (mobile, T1) and advanced (immobile, T3) stages of vocal fold cancer, the most common squamous cell carcinoma severely impacting the voice box. We reveal that vocal fold cancer progression is linked to cell surface receptor heterogeneity, a loss of laminin-binding integrins in cell–cell junctions and a flocking mode of collective cell motility. Mimicking the physiological movement of healthy vocal fold tissue with stretching or vibrations decreases oncogenic β-catenin and Yes-associated protein (YAP) nuclear levels in vocal fold cancer. Multiplex immunohistochemistry of vocal fold cancer tumours shows a correlation between the extracellular matrix composition, nuclear YAP and patient survival, concordant with vocal fold cancer sensitivity to oncogenic YAP-TEAD Hippo pathway inhibitors both in vitro and in vivo. Overall, our findings suggest that vocal fold cancer is a mechanically sensitive malignancy, and that the restoration of tumour mechanophenotype or YAP/TAZ targeting represents a tractable anti-oncogenic therapeutic avenue for vocal fold cancer.
增加的细胞外基质沉积和僵硬促进实体瘤的进展。然而,精确的机械转导途径,特别是在研究较少的机械反应性癌症中,仍然知之甚少。在这里,我们使用来自声带癌早期(活动,T1)和晚期(不活动,T3)的患者来源的肿瘤细胞来解决这一差距,声带癌是最常见的严重影响声带的鳞状细胞癌。我们发现声带癌的进展与细胞表面受体异质性、细胞-细胞连接处层粘连蛋白结合整合素的缺失以及集体细胞运动的群集模式有关。通过拉伸或振动模拟健康声带组织的生理运动可降低声带癌中致癌β-连环蛋白和yes相关蛋白(YAP)的核水平。声带癌肿瘤的多重免疫组化显示细胞外基质组成、细胞核YAP与患者生存之间存在相关性,这与体外和体内声带癌对致癌性YAP- tead Hippo通路抑制剂的敏感性一致。总之,我们的研究结果表明,声带癌是一种机械敏感的恶性肿瘤,肿瘤机械表型的恢复或YAP/TAZ靶向治疗代表了一种可处理的声带癌抗癌治疗途径。
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引用次数: 0
Bulk-heterojunction doping in lead halide perovskites for low-resistance metal contacts 用于低电阻金属触点的卤化铅钙钛矿体异质结掺杂
IF 41.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-20 DOI: 10.1038/s41563-026-02485-x
Laiyuan Wang, Boxuan Zhou, Qi Qian, Yihong Ye, Huan Wu, Bangyao Hu, Peiqi Wang, Ao Zhang, Zhong Wan, Dehui Zhang, Kijoon Bang, Shuanghao Zheng, Aamir Hassan Shah, Jingxuan Zhou, Yiliu Wang, Yu Huang, Xiangfeng Duan
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引用次数: 0
A molten-salt dispersion of lanthanides at the atomic scale 镧系元素在原子尺度上的熔盐分散
IF 41.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-19 DOI: 10.1038/s41563-026-02492-y
Haoyuan Wang, Chunxiao Liu, Yuan Ji, Hongliang Zeng, Sunpei Hu, Xinyan Zhang, Qisheng Zeng, Jiawei Li, Qinglong Gao, Yao Zhang, Jie Zeng, Xu Li, Tingting Zheng, Qiu Jiang, Chuan Xia
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引用次数: 0
Radioisotope-mimetic molecular afterglow probe for downregulated cancer biomarker imaging 放射性同位素模拟分子余辉探针用于下调癌症生物标志物成像
IF 41.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-19 DOI: 10.1038/s41563-026-02507-8
Guo-Qiang Zhang, Guangxue Feng, Cheng Xu, Zhiyuan Gao, Jingtian Zhang, Longfei Li, Yan Zhang, Kanyi Pu, Dan Ding
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引用次数: 0
Multiscale-structured miniaturized 3D force sensors 多尺度结构小型化三维力传感器
IF 41.2 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-18 DOI: 10.1038/s41563-026-02508-7
Guolin Yun, Zesheng Chen, Zhuo Chen, Jinrui Chen, Binghan Zhou, Mingfei Xiao, Michael Stevens, Manish Chhowalla, Tawfique Hasan
Flexible tactile sensors are pivotal for advancing neuroprosthetics, human–machine interactions and intelligent robotics. However, achieving highly sensitive tactile sensing to differentiate normal and tangential forces, particularly in mimicking the high-resolution multidimensional haptics of human fingers, remains a challenge. Here we propose a triaxial force microsensor array made from graphene–liquid-metal composites. Using anisotropic particle networks in microporous composites with pyramid geometries, we achieve normal–tangential force decoupling through multiscale structuring. Our approach offers exceptional sensitivity of 110 kPa −1 over a 500 kPa linear range ( R 2 > 0.998), with <2° force direction measurement deviation. The sensor array demonstrates force decoupling and slip detection via self-adjusted grasping of unknown objects. Our microsensor improves on the state of the art by an order of magnitude in size and detection limit, enabling 3D force sensing in micromanipulators and microrobots and unlocking advanced robotic dexterity.
柔性触觉传感器是推进神经假肢、人机交互和智能机器人的关键。然而,实现高度敏感的触觉感知来区分法向力和切向力,特别是在模仿人类手指的高分辨率多维触觉方面,仍然是一个挑战。本文提出了一种由石墨烯-液态金属复合材料制成的三轴力微传感器阵列。利用金字塔型微孔复合材料的各向异性粒子网络,通过多尺度结构实现了法向力解耦。我们的方法在500 kPa线性范围内(r2 > 0.998)具有110 kPa−1的卓越灵敏度,力方向测量偏差为<;2°。该传感器阵列通过对未知物体的自调整抓取实现力解耦和滑移检测。我们的微传感器在尺寸和检测极限方面提高了一个数量级,使微操纵器和微型机器人能够实现3D力传感,并解锁先进的机器人灵活性。
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引用次数: 0
Reconstructing into a denser phase. 重构成更密集的阶段。
IF 38.5 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-13 DOI: 10.1038/s41563-026-02502-z
Jaewon Wang, Soon-Yong Kwon
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引用次数: 0
Ideal non-crystals as a distinct form of ordered states without symmetry breaking. 理想的非晶体是一种没有对称破缺的有序态的独特形式。
IF 38.5 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-13 DOI: 10.1038/s41563-026-02496-8
Xinyu Fan, Ding Xu, Jianhua Zhang, Hao Hu, Peng Tan, Ning Xu, Hajime Tanaka, Hua Tong

Order and disorder are central concepts in condensed-matter physics. Crystals break translational and rotational symmetries, whereas quasicrystals challenge this paradigm with forbidden rotational symmetries and aperiodicity. Here we report a distinct ordered state-ideal non-crystals-characterized by optimal steric order without symmetry breaking. Steric optimization yields ideal non-crystals as a thermodynamically favoured limiting state, accompanied by maximal steric order that may serve as a true order parameter for the glass transition. Despite their apparent disorder, they exhibit long-range orientational correlations, quantified via a specific path-integral-like approach. Ideal non-crystals possess distinct properties, including Debye-like phononic modes, affine elasticity, thermodynamic ultrastability and long-wavelength density uniformity, reminiscent of hyperuniformity. By uncovering a distinct form of entropy-driven ordering in sterically optimized materials, this work expands the landscape of ordered states and provides a framework for designing amorphous materials with crystal-like mechanical and thermal properties free from the anisotropy inherent in crystals.

有序和无序是凝聚态物理学的中心概念。晶体打破了平移和旋转对称性,而准晶体则以禁止的旋转对称性和非周期性挑战了这种范式。在这里,我们报告了一种独特的有序状态-理想非晶体-具有最优的空间秩序,没有对称破缺。空间优化产生理想的非晶体,作为热力学上有利的极限状态,伴随着最大的空间有序,可以作为玻璃化转变的真正有序参数。尽管它们明显无序,但它们表现出远程定向相关性,通过特定的路径积分方法进行量化。理想的非晶体具有独特的性质,包括类德拜声子模式、仿射弹性、热力学超稳定和长波长密度均匀性,让人联想到超均匀性。通过揭示空间优化材料中熵驱动有序的独特形式,这项工作扩展了有序态的景观,并为设计具有晶体样机械和热性能的非晶态材料提供了框架,而不受晶体固有的各向异性的影响。
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引用次数: 0
Helical metasurfaces based on topological surface states in three-dimensional photonic topological insulators. 三维光子拓扑绝缘体中基于拓扑表面态的螺旋超表面。
IF 38.5 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-12 DOI: 10.1038/s41563-026-02488-8
Dmitry V Zhirihin, Mikhail S Sidorenko, Alina D Rozenblit, Georgiy D Kurganov, Maxim A Gorlach, Dmitry S Filonov, Yuri S Kivshar, Alexey P Slobozhanyuk

Topological photonics expands the landscape of artificial electromagnetic materials and provides a variety of responses via robust boundary modes. Three-dimensional photonic topological insulators are predicted to host robust spin-momentum-locked surface states. However, their all-dielectric experimental realization has remained a fundamental challenge. Here we demonstrate a practical realization of a three-dimensional all-dielectric photonic topological insulator. We show a complete photonic topological bandgap as well as gapless topological surface states trapped on open boundaries of topological systems. The coupling of these states to the radiative continuum offers opportunities for controlling the emission of electromagnetic waves. We unveil that open interfaces in three-dimensional photonic topological insulators behave as effective metasurfaces and show that the helical nature of topological surface states supported by the interfaces enables control over far-field emission via the pseudo-spin degree of freedom. Further structuring of the topological interfaces provides further enhancement of such effective metasurfaces by offering control over far-field radiation patterns and directionality of the surface state emission.

拓扑光子学扩展了人工电磁材料的领域,并通过鲁棒边界模式提供了各种响应。三维光子拓扑绝缘体被预测具有鲁棒的自旋动量锁定表面态。然而,它们的全介质实验实现仍然是一个根本性的挑战。本文演示了三维全介电光子拓扑绝缘体的实际实现。我们展示了一个完整的光子拓扑带隙以及被困在拓扑系统开放边界上的无隙拓扑表面态。这些状态与辐射连续体的耦合为控制电磁波的发射提供了机会。我们揭示了三维光子拓扑绝缘体中的开放界面表现为有效的超表面,并表明由界面支持的拓扑表面态的螺旋性质可以通过伪自旋自由度控制远场发射。拓扑界面的进一步结构通过提供对远场辐射模式和表面态发射的方向性的控制,进一步增强了这种有效的超表面。
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Nature Materials
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