Nature nanotechnology最新文献

Salt-in-presalt electrolyte solutions for high-potential non-aqueous sodium metal batteries 用于高电位非水金属钠电池的盐下盐电解质溶液

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-23 DOI: 10.1038/s41565-024-01848-2

Ai-Min Li, Peter Y. Zavalij, Fred Omenya, Xiaolin Li, Chunsheng Wang

{"title":"Salt-in-presalt electrolyte solutions for high-potential non-aqueous sodium metal batteries","authors":"Ai-Min Li, Peter Y. Zavalij, Fred Omenya, Xiaolin Li, Chunsheng Wang","doi":"10.1038/s41565-024-01848-2","DOIUrl":"https://doi.org/10.1038/s41565-024-01848-2","url":null,"abstract":"Room-temperature non-aqueous sodium metal batteries are viable candidates for cost-effective and safe electrochemical energy storage. However, they show low specific energy and poor cycle life as the use of conventional organic-based non-aqueous electrolyte solutions enables the formation of interphases that cannot prevent degradations at the positive and negative electrodes. Here, to promote the formation of inorganic NaF-rich interphases on both negative and positive electrodes, we propose the salt-in-presalt (SIPS) electrolyte formulation strategy. In SIPS, sodium bis(fluorosulfonyl)imide (NaFSI) salt is dissolved in the liquid precursor of the sodium bis(trifluoromethylsulfonyl)imide (NaTFSI) salt, that is, N,N-dimethyltrifluoromethane-sulfonamide, called PreTFSI. The prepared 0.5 M NaFSI in PreTFSI (SIPS5) electrolyte solution shows an electrochemical stability up to 6.7 V versus Na|Na+ and enables a Na stripping/plating average Coulombic efficiency of 99.7% at 2.0 mA cm−2 and 4.0 mAh cm−2 in Na||Al cell configuration. By testing SIPS5 in Na metal and ‘anode-less’ coin and pouch cell configurations using NaNi0.6Mn0.2Co0.2O2 or sulfurized polyacrylonitrile as positive electrode active materials, we demonstrate the ability of the SIPS strategy to deliver improved specific discharge capacity and capacity retentions at high cell potentials and moderate applied specific currents for cell cycle life up to 1,000 cycles.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"14 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143020041","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

Tracking nonlinear conversion of light in van der Waals waveguides 范德华波导中光的非线性转换跟踪

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-23 DOI: 10.1038/s41565-024-01850-8

Jiahua Duan, Yugui Yao

引用次数: 0

ON–OFF nanopores for optical control of transmembrane ionic communication 用于跨膜离子通信光学控制的开关纳米孔

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-21 DOI: 10.1038/s41565-024-01823-x

Xingzao Wang, Aidan Kerckhoffs, Jorin Riexinger, Matthew Cornall, Matthew J. Langton, Hagan Bayley, Yujia Qing

{"title":"ON–OFF nanopores for optical control of transmembrane ionic communication","authors":"Xingzao Wang, Aidan Kerckhoffs, Jorin Riexinger, Matthew Cornall, Matthew J. Langton, Hagan Bayley, Yujia Qing","doi":"10.1038/s41565-024-01823-x","DOIUrl":"https://doi.org/10.1038/s41565-024-01823-x","url":null,"abstract":"Nanoscale photoswitchable proteins could facilitate precise spatiotemporal control of transmembrane communication and support studies in synthetic biology, neuroscience and bioelectronics. Here, through covalent modification of the α-haemolysin protein pore with arylazopyrazole photoswitches, we produced ‘photopores’ that transition between iontronic resistor and diode modes in response to irradiation at orthogonal wavelengths. In the diode mode, a low-leak OFF-state nanopore exhibits a reversible increase in unitary conductance of more than 20-fold upon irradiation at 365 nm. A rectification ratio of >5 was achieved with photopores in the diode state by either direct or alternating voltage input. Unlike conventional electronic phototransistors with intensity-dependent photoelectric responses, the photopores regulated current output solely based on the wavelength(s) of monochromatic or dual-wavelength irradiation. Dual-wavelength irradiation at various relative intensities allowed graded adjustment of the photopore conductance. By using these properties, photonic signals encoding text or graphic messages were converted into ionic signals, highlighting the potential applications of photopores as components of smart devices in synthetic biology.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"102 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142990633","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

Nanotech powers on-chip intelligence 纳米技术驱动芯片上的智能

IF 38.1 1区材料科学

Nature nanotechnology Pub Date : 2025-01-21 DOI: 10.1038/s41565-025-01856-w

引用次数: 0

Dipolar wavevector interference induces a polar skyrmion lattice in strained BiFeO3 films 偶极波矢量干涉在应变的BiFeO3薄膜中诱导出极性skyrmion晶格

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-16 DOI: 10.1038/s41565-024-01845-5

W. R. Geng, Y. L. Zhu, M. X. Zhu, Y. L. Tang, H. J. Zhao, C. H. Lei, Y. J. Wang, J. H. Wang, R. J. Jiang, S. Z. Liu, X. Y. San, Y. P. Feng, M. J. Zou, X. L. Ma

{"title":"Dipolar wavevector interference induces a polar skyrmion lattice in strained BiFeO3 films","authors":"W. R. Geng, Y. L. Zhu, M. X. Zhu, Y. L. Tang, H. J. Zhao, C. H. Lei, Y. J. Wang, J. H. Wang, R. J. Jiang, S. Z. Liu, X. Y. San, Y. P. Feng, M. J. Zou, X. L. Ma","doi":"10.1038/s41565-024-01845-5","DOIUrl":"https://doi.org/10.1038/s41565-024-01845-5","url":null,"abstract":"Skyrmions can form regular arrangements, so-called skyrmion crystals (SkXs). A mode with multiple wavevectors q then describes the arrangement. While magnetic SkXs, which can emerge in the presence of Dzyaloshinskii–Moriya interaction, are well established, polar skyrmion lattices are still elusive. Here we report the observation of polar SkXs with a well-defined double-q state in ultrathin BiFeO3 films on LaAlO3. The compressive strain induced by the LaAlO3 substrate yields a dipolar topological texture with a periodic arrangement of skyrmions. The square-like superstructure with a lattice constant of 2.68 nm features a periodic modulation of polarization fields and topological charge density. The film furthermore exhibits an enhanced electromechanical response with an increased converse piezoelectric coefficient (d33) compared with SkX-free films. Transmission electron microscopy experiments in combination with phase-field simulations indicate that the dipole skyrmion texture results from the interference of two orthogonal single-q dipole patterns. We anticipate that the interference of multiple wavevectors may lead to a diversity of topological crystals with a variety of symmetries and lattice constants.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"15 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142986579","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

Chemistry, manufacturing and controls strategies for using novel excipients in lipid nanoparticles 在脂质纳米颗粒中使用新型辅料的化学、制造和控制策略

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-16 DOI: 10.1038/s41565-024-01833-9

Matthew O’Brien Laramy, David A. Foley, Roger H. Pak, Jacob A. Lewis, Eric McKinney, Patricia M. Egan, Ravikiran Yerabolu, Eric Dane, Olivier Dirat, Lindsey Saunders Gorka, Joseph R. Martinelli, Ehab M. Moussa, Julie Barthuet

{"title":"Chemistry, manufacturing and controls strategies for using novel excipients in lipid nanoparticles","authors":"Matthew O’Brien Laramy, David A. Foley, Roger H. Pak, Jacob A. Lewis, Eric McKinney, Patricia M. Egan, Ravikiran Yerabolu, Eric Dane, Olivier Dirat, Lindsey Saunders Gorka, Joseph R. Martinelli, Ehab M. Moussa, Julie Barthuet","doi":"10.1038/s41565-024-01833-9","DOIUrl":"https://doi.org/10.1038/s41565-024-01833-9","url":null,"abstract":"Lipid nanoparticles (LNPs) for nucleic acid delivery often use novel lipids as functional excipients to modulate the biodistribution, pharmacokinetics, pharmacodynamics and efficacy of the nucleic acid. Novel excipients used in pharmaceutical products are subject to heightened regulatory scrutiny and often require data packages comparable to an active pharmaceutical ingredient. Although these regulatory requirements may help to ensure patient safety they also create economic and procedural barriers that can disincentivize innovation and delay clinical investigation. Despite the unique structural and functional role of lipid excipients in LNPs, there is limited specific global regulatory guidance, which adds uncertainty and risk to the development of LNPs. In this Perspective we provide an industry view on the chemistry, manufacturing and controls challenges that pharmaceutical companies face in the use of novel lipid excipients at each stage of development, and propose consensus recommendations on how to streamline and clarify development and regulatory expectations.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"27 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142986582","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

Spatiotemporal imaging of nonlinear optics in van der Waals waveguides 范德华波导中非线性光学的时空成像

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-15 DOI: 10.1038/s41565-024-01849-1

Ding Xu, Zhi Hao Peng, Chiara Trovatello, Shan-Wen Cheng, Xinyi Xu, Aaron Sternbach, D. N. Basov, P. James Schuck, Milan Delor

{"title":"Spatiotemporal imaging of nonlinear optics in van der Waals waveguides","authors":"Ding Xu, Zhi Hao Peng, Chiara Trovatello, Shan-Wen Cheng, Xinyi Xu, Aaron Sternbach, D. N. Basov, P. James Schuck, Milan Delor","doi":"10.1038/s41565-024-01849-1","DOIUrl":"https://doi.org/10.1038/s41565-024-01849-1","url":null,"abstract":"Van der Waals (vdW) semiconductors have emerged as promising platforms for efficient nonlinear optical conversion, including harmonic and entangled photon generation. Although major efforts are devoted to integrating vdW materials in nanoscale waveguides for miniaturization, the realization of efficient, phase-matched conversion in these platforms remains challenging. Here, to address this challenge, we report a far-field ultrafast imaging method to track the propagation of both fundamental and harmonic waves within vdW waveguides with femtosecond and sub-50 nanometre spatiotemporal precision. We focus on light propagation in slab waveguides of rhombohedral-stacked MoS2, a vdW semiconductor with large nonlinear susceptibility. Our method allows systematic optimization of nonlinear conversion by determining the phase-matching angles, mode profiles and losses in waveguides without prior knowledge of material optical constants. Using this approach, we show that both multimode and single-mode rhombohedral-stacked MoS2 waveguides support birefringent phase matching, demonstrating the material’s potential for efficient on-chip nonlinear optics.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"7 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142981780","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

Remote epitaxial crystalline perovskites for ultrahigh-resolution micro-LED displays 用于超高分辨率微型led显示屏的远外延晶体钙钛矿

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-15 DOI: 10.1038/s41565-024-01841-9

Meng Yuan, Jiangang Feng, Hui Li, Hanfei Gao, Yuchen Qiu, Lei Jiang, Yuchen Wu

{"title":"Remote epitaxial crystalline perovskites for ultrahigh-resolution micro-LED displays","authors":"Meng Yuan, Jiangang Feng, Hui Li, Hanfei Gao, Yuchen Qiu, Lei Jiang, Yuchen Wu","doi":"10.1038/s41565-024-01841-9","DOIUrl":"https://doi.org/10.1038/s41565-024-01841-9","url":null,"abstract":"The miniaturization of light-emitting diodes (LEDs) is pivotal in ultrahigh-resolution displays. Metal-halide perovskites promise efficient light emission, long-range carrier transport and scalable manufacturing for bright microscale LED (micro-LED) displays. However, thin-film perovskites with inhomogeneous spatial distribution of light emission and unstable surface under lithography are incompatible with the micro-LED devices. Continuous single-crystalline perovskite films with eliminated grain boundaries, stable surfaces and optical homogeneity are highly demanded for micro-LEDs, but their growth and device integration remain challenging. Here we realize the remote-epitaxy growth of crystalline perovskite films, enabling their seamless integration into micro-LEDs with a pixel size down to 4 μm. By incorporating a subnanometre graphene interlayer, we enable remote epitaxy and transfer of perovskites with relaxed strain. These micro-LEDs exhibit a high electroluminescence efficiency of 16.7% and a high brightness of 4.0 × 105 cd m−2. Such high performance stems from suppressed defects and efficient carrier transport in epitaxial perovskites with high crystallinity, relaxed strain and hundreds-of-nanometres thickness. The free-standing perovskites can be integrated with commercial electronic planes for independent and dynamic control of each pixel, thus facilitating both static image and video display. With these findings, we envision on-chip perovskite photonic sources such as ultracompact lasers and ultrafast LEDs.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"16 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142981781","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

Anomalous Hall spin current drives self-generated spin–orbit torque in a ferromagnet 异常霍尔自旋电流驱动铁磁体自旋轨道转矩

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-15 DOI: 10.1038/s41565-024-01819-7

Eric Arturo Montoya, Xinyao Pei, Ilya N. Krivorotov

引用次数: 0

Ferroelectricity with concomitant Coulomb screening in van der Waals heterostructures 范德华异质结构中伴随库仑屏蔽的铁电性

IF 38.3 1区材料科学

Nature nanotechnology Pub Date : 2025-01-15 DOI: 10.1038/s41565-024-01846-4

Ruirui Niu, Zhuoxian Li, Xiangyan Han, Zhuangzhuang Qu, Qianling Liu, Zhiyu Wang, Chunrui Han, Chunwen Wang, Yangliu Wu, Chendi Yang, Ming Lv, Kaining Yang, Kenji Watanabe, Takashi Taniguchi, Kaihui Liu, Jinhai Mao, Wu Shi, Renchao Che, Wu Zhou, Jiamin Xue, Menghao Wu, Bo Peng, Zheng Vitto Han, Zizhao Gan, Jianming Lu

{"title":"Ferroelectricity with concomitant Coulomb screening in van der Waals heterostructures","authors":"Ruirui Niu, Zhuoxian Li, Xiangyan Han, Zhuangzhuang Qu, Qianling Liu, Zhiyu Wang, Chunrui Han, Chunwen Wang, Yangliu Wu, Chendi Yang, Ming Lv, Kaining Yang, Kenji Watanabe, Takashi Taniguchi, Kaihui Liu, Jinhai Mao, Wu Shi, Renchao Che, Wu Zhou, Jiamin Xue, Menghao Wu, Bo Peng, Zheng Vitto Han, Zizhao Gan, Jianming Lu","doi":"10.1038/s41565-024-01846-4","DOIUrl":"https://doi.org/10.1038/s41565-024-01846-4","url":null,"abstract":"Interfacial ferroelectricity emerges in non-centrosymmetric heterostructures consisting of non-polar van der Waals (vdW) layers. Ferroelectricity with concomitant Coulomb screening can switch topological currents or superconductivity and simulate synaptic response. So far, it has only been realized in bilayer graphene moiré superlattices, posing stringent requirements to constituent materials and twist angles. Here we report ferroelectricity with concomitant Coulomb screening in different vdW heterostructures free of moiré interfaces containing monolayer graphene, boron nitride (BN) and transition metal chalcogenide layers. We observe a ferroelectric hysteretic response in a BN/monolayer graphene/BN, as well as in BN/WSe2/monolayer graphene/WSe2/BN heterostructure, but also when replacing the stacking fault-containing BN with multilayer twisted MoS2, a prototypical sliding ferroelectric. Our control experiments exclude alternative mechanisms, such that we conclude that ferroelectricity originates from stacking faults in the BN flakes. Hysteretic switching occurs when a conductive ferroelectric screens the gating field electrically and controls the monolayer graphene through its polarization field. Our results relax some of the material and design constraints for device applications based on sliding ferroelectricity and should enable memory device or the combination with diverse vdW materials with superconducting, topological or magnetic properties.","PeriodicalId":18915,"journal":{"name":"Nature nanotechnology","volume":"48 1","pages":""},"PeriodicalIF":38.3,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142981783","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