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  • Publisher Correction: Melting of a skyrmion lattice to a skyrmion liquid via a hexatic phase
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-09-08
    Ping Huang; Thomas Schönenberger; Marco Cantoni; Lukas Heinen; Arnaud Magrez; Achim Rosch; Fabrizio Carbone; Henrik M. Rønnow

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-09-08
  • Nano for agriculture, not the opposite
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-09-08

    Although the idea of using nanomaterials for agriculture is promising, we must consider in detail how nanotechnology can provide advantages over standard tools.

    更新日期:2020-09-08
  • Enter plastic
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-09-08

    Two studies on sub-micrometre plastic particles provide evidence of plastic accumulation in terrestrial plants.

    更新日期:2020-09-08
  • When plants and plastic interact
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-09-08
    Fabienne Schwab; Barbara Rothen-Rutishauser; Alke Petri-Fink

    Overcoming the challenges of plastic detection in plants has made it possible to transfer many of the lessons learned from plant–metal nanoparticle interactions to plastic nanoparticles.

    更新日期:2020-09-08
  • A framework for designing delivery systems
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-09-07
    Wilson Poon; Benjamin R. Kingston; Ben Ouyang; Wayne Ngo; Warren C. W. Chan

    The delivery of medical agents to a specific diseased tissue or cell is critical for diagnosing and treating patients. Nanomaterials are promising vehicles to transport agents that include drugs, contrast agents, immunotherapies and gene editors. They can be engineered to have different physical and chemical properties that influence their interactions with their biological environments and delivery

    更新日期:2020-09-08
  • Functional and morphological adaptation in DNA protocells via signal processing prompted by artificial metalloenzymes
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-09-07
    Avik Samanta; Valerio Sabatino; Thomas R. Ward; Andreas Walther

    For life to emerge, the confinement of catalytic reactions within protocellular environments has been proposed to be a decisive aspect to regulate chemical activity in space1. Today, cells and organisms adapt to signals2,3,4,5,6 by processing them through reaction networks that ultimately provide downstream functional responses and structural morphogenesis7,8. Re-enacting such signal processing in

    更新日期:2020-09-08
  • Stand-off trapping and manipulation of sub-10 nm objects and biomolecules using opto-thermo-electrohydrodynamic tweezers
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-31
    Chuchuan Hong; Sen Yang; Justus C. Ndukaife

    Optical tweezers have emerged as a powerful tool for the non-invasive trapping and manipulation of colloidal particles and biological cells1,2. However, the diffraction limit precludes the low-power trapping of nanometre-scale objects. Substantially increasing the laser power can provide enough trapping potential depth to trap nanoscale objects. Unfortunately, the substantial optical intensity required

    更新日期:2020-08-31
  • Photonic Rashba effect from quantum emitters mediated by a Berry-phase defective photonic crystal.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-24
    Kexiu Rong,Bo Wang,Avi Reuven,Elhanan Maguid,Bar Cohn,Vladimir Kleiner,Shaul Katznelson,Elad Koren,Erez Hasman

    Heterostructures combining a thin layer of quantum emitters and planar nanostructures enable custom-tailored photoluminescence in an integrated fashion. Here, we demonstrate a photonic Rashba effect from valley excitons in a WSe2 monolayer, which is incorporated into a photonic crystal slab with geometric phase defects, that is, into a Berry-phase defective photonic crystal. This phenomenon of spin-split

    更新日期:2020-08-24
  • Backbone charge transport in double-stranded DNA.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-17
    Roman Zhuravel,Haichao Huang,Georgia Polycarpou,Savvas Polydorides,Phani Motamarri,Liat Katrivas,Dvir Rotem,Joseph Sperling,Linda A Zotti,Alexander B Kotlyar,Juan Carlos Cuevas,Vikram Gavini,Spiros S Skourtis,Danny Porath

    Understanding charge transport in DNA molecules is a long-standing problem of fundamental importance across disciplines1,2. It is also of great technological interest due to DNA’s ability to form versatile and complex programmable structures. Charge transport in DNA-based junctions has been reported using a wide variety of set-ups2,3,4, but experiments so far have yielded seemingly contradictory results

    更新日期:2020-08-17
  • Key principles and operational practices for improved nanotechnology environmental exposure assessment.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-17
    Claus Svendsen,Lee A Walker,Marianne Matzke,Elma Lahive,Samuel Harrison,Alison Crossley,Barry Park,Stephen Lofts,Iseult Lynch,Socorro Vázquez-Campos,Ralf Kaegi,Alexander Gogos,Christof Asbach,Geert Cornelis,Frank von der Kammer,Nico W van den Brink,Claire Mays,David J Spurgeon

    Nanotechnology is identified as a key enabling technology due to its potential to contribute to economic growth and societal well-being across industrial sectors. Sustainable nanotechnology requires a scientifically based and proportionate risk governance structure to support innovation, including a robust framework for environmental risk assessment (ERA) that ideally builds on methods established

    更新日期:2020-08-17
  • High quality factor phase gradient metasurfaces.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-17
    Mark Lawrence,David R Barton,Jefferson Dixon,Jung-Hwan Song,Jorik van de Groep,Mark L Brongersma,Jennifer A Dionne

    Dielectric microcavities with quality factors (Q-factors) in the thousands to billions markedly enhance light–matter interactions, with applications spanning high-efficiency on-chip lasing, frequency comb generation and modulation and sensitive molecular detection. However, as the dimensions of dielectric cavities are reduced to subwavelength scales, their resonant modes begin to scatter light into

    更新日期:2020-08-17
  • Advances in nanomaterial vaccine strategies to address infectious diseases impacting global health.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-17
    Chelsea N Fries,Elizabeth J Curvino,Jui-Lin Chen,Sallie R Permar,Genevieve G Fouda,Joel H Collier

    Despite the overwhelming success of vaccines in preventing infectious diseases, there remain numerous globally devastating diseases without fully protective vaccines, particularly human immunodeficiency virus (HIV), malaria and tuberculosis. Nanotechnology approaches are being developed both to design new vaccines against these diseases as well as to facilitate their global implementation. The reasons

    更新日期:2020-08-17
  • Giant Stark splitting of an exciton in bilayer MoS2.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-10
    Nadine Leisgang,Shivangi Shree,Ioannis Paradisanos,Lukas Sponfeldner,Cedric Robert,Delphine Lagarde,Andrea Balocchi,Kenji Watanabe,Takashi Taniguchi,Xavier Marie,Richard J Warburton,Iann C Gerber,Bernhard Urbaszek

    Transition metal dichalcogenides (TMDs) constitute a versatile platform for atomically thin optoelectronics devices and spin–valley memory applications. In monolayer TMDs the optical absorption is strong, but the transition energy cannot be tuned as the neutral exciton has essentially no out-of-plane static electric dipole1,2. In contrast, interlayer exciton transitions in heterobilayers are widely

    更新日期:2020-08-10
  • Observation of inhomogeneous plasmonic field distribution in a nanocavity.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-10
    Chao-Yu Li,Sai Duan,Bao-Ying Wen,Song-Bo Li,Murugavel Kathiresan,Li-Qiang Xie,Shu Chen,Jason R Anema,Bing-Wei Mao,Yi Luo,Zhong-Qun Tian,Jian-Feng Li

    The progress of plasmon-based technologies relies on an understanding of the properties of the enhanced electromagnetic fields generated by the coupling nanostrucutres1,2,3,4,5,6. Plasmon-enhanced applications include advanced spectroscopies7,8,9,10, optomechanics11, optomagnetics12 and biosensing13,14,15,16,17. However, precise determination of plasmon field intensity distribution within a nanogap

    更新日期:2020-08-10
  • A rewritable optical storage medium of silk proteins using near-field nano-optics.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-10
    Woonsoo Lee,Zhitao Zhou,Xinzhong Chen,Nan Qin,Jianjuan Jiang,Keyin Liu,Mengkun Liu,Tiger H Tao,Wei Li

    Nanoscale lithography and information storage in biocompatible materials offer possibilities for applications such as bioelectronics and degradable electronics for which traditional semiconductor fabrication techniques cannot be used. Silk fibroin, a natural protein renowned for its strength and biocompatibility, has been widely studied in this context. Here, we present the use of silk film as a biofunctional

    更新日期:2020-08-10
  • Nanotechnology versus coronavirus.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-06

    In the face of the coronavirus pandemic, it is time for the nanotechnology community to shine and build on its experience with nanoscale materials and drug delivery to provide knowledge and tools for COVID-19 vaccine and therapeutics development.

    更新日期:2020-08-06
  • Golden touch of the nanoparticles.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-03
    Zhi-Jian Zhao,Jinlong Gong

    A combination of two different types of sites shows high catalytic performance for selective hydrogenation due to hydrogen spillover.

    更新日期:2020-08-03
  • Facet engineering accelerates spillover hydrogenation on highly diluted metal nanocatalysts.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-03
    Lizhi Jiang,Kunlong Liu,Sung-Fu Hung,Lingyun Zhou,Ruixuan Qin,Qinghua Zhang,Pengxin Liu,Lin Gu,Hao Ming Chen,Gang Fu,Nanfeng Zheng

    Hydrogen spillover is a well-known phenomenon in heterogeneous catalysis; it involves H2 cleavage on an active metal followed by the migration of dissociated H species over an ‘inert’ support1,2,3,4,5. Although catalytic hydrogenation using the spilled H species, namely, spillover hydrogenation, has long been proposed, very limited knowledge has been obtained about what kind of support structure is

    更新日期:2020-08-03
  • Dexamethasone nanomedicines for COVID-19.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-03
    Twan Lammers,Alexandros Marios Sofias,Roy van der Meel,Raymond Schiffelers,Gert Storm,Frank Tacke,Steffen Koschmieder,Tim H Brümmendorf,Fabian Kiessling,Josbert M Metselaar

    Nano-formulating dexamethasone, and administering it via intravenous injection or inhalation, may help to improve anti-COVID-19 treatment efficacy by targeting the potent corticosteroid drug to hyper-activated immune cells, by potentiating its anti-oedema activity and by exploiting its anti-fibrotic effects.

    更新日期:2020-08-03
  • Fine fibres with multifunctionality.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-03
    A Lindsay Greer

    Co-drawing of metallic glass with polymers of similar viscosity–temperature behaviour enables highly uniform nanoscale cross-sectional features of various shapes in functional fibres without length limit.

    更新日期:2020-08-03
  • Structured nanoscale metallic glass fibres with extreme aspect ratios.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-08-03
    Wei Yan,Inès Richard,Güven Kurtuldu,Nicholas D James,Giuseppe Schiavone,Jordan W Squair,Tung Nguyen-Dang,Tapajyoti Das Gupta,Yunpeng Qu,Jake D Cao,Reinis Ignatans,Stéphanie P Lacour,Vasiliki Tileli,Grégoire Courtine,Jörg F Löffler,Fabien Sorin

    Micro- and nanoscale metallic glasses offer exciting opportunities for both fundamental research and applications in healthcare, micro-engineering, optics and electronics. The scientific and technological challenges associated with the fabrication and utilization of nanoscale metallic glasses, however, remain unresolved. Here, we present a simple and scalable approach for the fabrication of metallic

    更新日期:2020-08-03
  • Nanotechnology-based disinfectants and sensors for SARS-CoV-2.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-29
    Sepehr Talebian,Gordon G Wallace,Avi Schroeder,Francesco Stellacci,João Conde

    Nanotechnology-based antimicrobial and antiviral formulations can prevent SARS-CoV-2 viral dissemination, and highly sensitive biosensors and detection platforms may contribute to the detection and diagnosis of COVID-19.

    更新日期:2020-07-29
  • Layer-controlled single-crystalline graphene film with stacking order via Cu-Si alloy formation.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-27
    Van Luan Nguyen,Dinh Loc Duong,Sang Hyub Lee,José Avila,Gyeongtak Han,Young-Min Kim,Maria C Asensio,Se-Young Jeong,Young Hee Lee

    Multilayer graphene and its stacking order provide both fundamentally intriguing properties and technological engineering applications. Several approaches to control the stacking order have been demonstrated, but a method of precisely controlling the number of layers with desired stacking sequences is still lacking. Here, we propose an approach for controlling the layer thickness and crystallographic

    更新日期:2020-07-27
  • Visualizing the growth process of sodium microstructures in sodium batteries by in-situ 23Na MRI and NMR spectroscopy.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-27
    Yuxuan Xiang,Guorui Zheng,Ziteng Liang,Yanting Jin,Xiangsi Liu,Shijian Chen,Ke Zhou,Jianping Zhu,Min Lin,Huajin He,Jiajia Wan,Shenshui Yu,Guiming Zhong,Riqiang Fu,Yangxing Li,Yong Yang

    The growth of sodium dendrites and the associated solid electrolyte interface (SEI) layer is a critical and fundamental issue influencing the safety and cycling lifespan of sodium batteries. In this work, we use in-situ 23Na magnetic resonance imaging (MRI) and nuclear magnetic resonance (NMR) techniques, along with an innovative analytical approach, to provide space-resolved and quantitative insights

    更新日期:2020-07-27
  • Room-temperature valleytronic transistor.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-20
    Lingfei Li,Lei Shao,Xiaowei Liu,Anyuan Gao,Hao Wang,Binjie Zheng,Guozhi Hou,Khurram Shehzad,Linwei Yu,Feng Miao,Yi Shi,Yang Xu,Xiaomu Wang

    Valleytronics, based on the valley degree of freedom rather than charge, is a promising candidate for next-generation information devices beyond complementary metal–oxide–semiconductor (CMOS) technology1,2,3,4. Although many intriguing valleytronic properties have been explored based on excitonic injection or the non-local response of transverse current schemes at low temperature4,5,6,7, demonstrations

    更新日期:2020-07-20
  • Enhanced catalytic activity under non-equilibrium conditions.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-20
    Rui Chen,Simona Neri,Leonard J Prins

    The development of non-equilibrium synthetic systems provides access to innovative materials with life-like properties. Non-equilibrium systems require a continuous input of energy to retain their functional state, which makes for a fundamental difference to systems that operate at thermodynamic equilibrium. Kinetic asymmetry in the energy consumption pathway is required to drive systems out of equilibrium

    更新日期:2020-07-20
  • Programming multi-protein assembly by gene-brush patterns and two-dimensional compartment geometry.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-20
    Ohad Vonshak,Yiftach Divon,Stefanie Förste,David Garenne,Vincent Noireaux,Reinhard Lipowsky,Sophia Rudorf,Shirley S Daube,Roy H Bar-Ziv

    The assembly of protein machines in cells is precise, rapid, and coupled to protein synthesis with regulation in space and time. The assembly of natural and synthetic nanomachines could be similarly controlled by genetic programming outside the cell. Here, we present quasi-two-dimensional (2D) silicon compartments that enable programming of protein assembly lines by local synthesis from surface-immobilized

    更新日期:2020-07-20
  • Engineering synthetic breath biomarkers for respiratory disease.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-20
    Leslie W Chan,Melodi N Anahtar,Ta-Hsuan Ong,Kelsey E Hern,Roderick R Kunz,Sangeeta N Bhatia

    Human breath contains many volatile metabolites. However, few breath tests are currently used in the clinic to monitor disease due to bottlenecks in biomarker identification. Here we engineered breath biomarkers for respiratory disease by local delivery of protease-sensing nanoparticles to the lungs. The nanosensors shed volatile reporters upon cleavage by neutrophil elastase, an inflammation-associated

    更新日期:2020-07-20
  • Publisher Correction: Memory devices and applications for in-memory computing.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-16
    Abu Sebastian,Manuel Le Gallo,Riduan Khaddam-Aljameh,Evangelos Eleftheriou

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-07-16
  • COVID-19 vaccine development and a potential nanomaterial path forward.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-15
    Matthew D Shin,Sourabh Shukla,Young Hun Chung,Veronique Beiss,Soo Khim Chan,Oscar A Ortega-Rivera,David M Wirth,Angela Chen,Markus Sack,Jonathan K Pokorski,Nicole F Steinmetz

    The COVID-19 pandemic has infected millions of people with no clear signs of abatement owing to the high prevalence, long incubation period and lack of established treatments or vaccines. Vaccines are the most promising solution to mitigate new viral strains. The genome sequence and protein structure of the 2019-novel coronavirus (nCoV or SARS-CoV-2) were made available in record time, allowing the

    更新日期:2020-07-15
  • Excitons in a twisted world.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Paulina Plochocka

    Breaking the mirror symmetry in twisted bilayer MoSe2 results in large scale exciton dipole oriented domains in a two-dimensional homostructure.

    更新日期:2020-07-13
  • Broken mirror symmetry in excitonic response of reconstructed domains in twisted MoSe2/MoSe2 bilayers.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Jiho Sung,You Zhou,Giovanni Scuri,Viktor Zólyomi,Trond I Andersen,Hyobin Yoo,Dominik S Wild,Andrew Y Joe,Ryan J Gelly,Hoseok Heo,Samuel J Magorrian,Damien Bérubé,Andrés M Mier Valdivia,Takashi Taniguchi,Kenji Watanabe,Mikhail D Lukin,Philip Kim,Vladimir I Fal'ko,Hongkun Park

    Van der Waals heterostructures obtained via stacking and twisting have been used to create moiré superlattices1, enabling new optical and electronic properties in solid-state systems. Moiré lattices in twisted bilayers of transition metal dichalcogenides (TMDs) result in exciton trapping2,3,4,5, host Mott insulating and superconducting states6 and act as unique Hubbard systems7,8,9 whose correlated

    更新日期:2020-07-13
  • Imaging strain-localized excitons in nanoscale bubbles of monolayer WSe2 at room temperature.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Thomas P Darlington,Christian Carmesin,Matthias Florian,Emanuil Yanev,Obafunso Ajayi,Jenny Ardelean,Daniel A Rhodes,Augusto Ghiotto,Andrey Krayev,Kenji Watanabe,Takashi Taniguchi,Jeffrey W Kysar,Abhay N Pasupathy,James C Hone,Frank Jahnke,Nicholas J Borys,P James Schuck

    In monolayer transition-metal dichalcogenides, localized strain can be used to design nanoarrays of single photon sources. Despite strong empirical correlation, the nanoscale interplay between excitons and local crystalline structure that gives rise to these quantum emitters is poorly understood. Here, we combine room-temperature nano-optical imaging and spectroscopic analysis of excitons in nanobubbles

    更新日期:2020-07-13
  • Large non-reciprocal charge transport mediated by quantum anomalous Hall edge states.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Kenji Yasuda,Takahiro Morimoto,Ryutaro Yoshimi,Masataka Mogi,Atsushi Tsukazaki,Minoru Kawamura,Kei S Takahashi,Masashi Kawasaki,Naoto Nagaosa,Yoshinori Tokura

    The topological nature of the quantum anomalous Hall effect (QAHE) causes a dissipationless chiral edge current at the sample boundary1,2. Of fundamental interest is whether the chirality of the band structure manifests itself in charge transport properties. Here we report the observation of large non-reciprocal charge transport3 in a magnetic topological insulator, Cr-doped (Bi,Sb)2Te3. When the surface

    更新日期:2020-07-13
  • Probing photoelectrical transport in lead halide perovskites with van der Waals contacts.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Yiliu Wang,Zhong Wan,Qi Qian,Yuan Liu,Zhuo Kang,Zheng Fan,Peiqi Wang,Yekan Wang,Chao Li,Chuancheng Jia,Zhaoyang Lin,Jian Guo,Imran Shakir,Mark Goorsky,Xidong Duan,Yue Zhang,Yu Huang,Xiangfeng Duan

    Lead halide perovskites have attracted increasing interest for their exciting potential in diverse optoelectronic devices. However, their charge transport properties remain elusive, plagued by the issues of excessive contact resistance and large hysteresis in ambient conditions. Here we report a van der Waals integration approach for creating high-performance contacts on monocrystalline halide perovskite

    更新日期:2020-07-13
  • Biomolecular condensates undergo a generic shear-mediated liquid-to-solid transition.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Yi Shen,Francesco Simone Ruggeri,Daniele Vigolo,Ayaka Kamada,Seema Qamar,Aviad Levin,Christiane Iserman,Simon Alberti,Peter St George-Hyslop,Tuomas P J Knowles

    Membrane-less organelles resulting from liquid–liquid phase separation of biopolymers into intracellular condensates control essential biological functions, including messenger RNA processing, cell signalling and embryogenesis1,2,3,4. It has recently been discovered that several such protein condensates can undergo a further irreversible phase transition, forming solid nanoscale aggregates associated

    更新日期:2020-07-13
  • Immune-mediated approaches against COVID-19.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-13
    Helena F Florindo,Ron Kleiner,Daniella Vaskovich-Koubi,Rita C Acúrcio,Barbara Carreira,Eilam Yeini,Galia Tiram,Yulia Liubomirski,Ronit Satchi-Fainaro

    The coronavirus disease-19 (COVID-19) is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The long incubation period of this new virus, which is mostly asymptomatic yet contagious, is a key reason for its rapid spread across the world. Currently, there is no worldwide-approved treatment for COVID-19. Therefore, the clinical and scientific communities have joint efforts to

    更新日期:2020-07-13
  • Ordering with a twist.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-09
    Sergei V Kalinin

    Tuning the twist angle in bilayer transitional metal dichalcogenides yields ordered structural phases with mesoscopically modulated electronic properties revealed by the combination of electron and scanning probe microscopies.

    更新日期:2020-07-09
  • Social systems for technology.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-09
    Chris Toumey

    In reviewing a recent book, Chris Toumey reflects on the impact that social networks can have on the development of a number of technologies.

    更新日期:2020-07-09
  • Beyond von Neumann.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-09

    Data-centric computation and the scalability limits of current computing systems call for the developments of alternative to von Neumann architecture.

    更新日期:2020-07-09
  • Two-dimensional materials for next-generation computing technologies.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-09
    Chunsen Liu,Huawei Chen,Shuiyuan Wang,Qi Liu,Yu-Gang Jiang,David Wei Zhang,Ming Liu,Peng Zhou

    Rapid digital technology advancement has resulted in a tremendous increase in computing tasks imposing stringent energy efficiency and area efficiency requirements on next-generation computing. To meet the growing data-driven demand, in-memory computing and transistor-based computing have emerged as potent technologies for the implementation of matrix and logic computing. However, to fulfil the future

    更新日期:2020-07-09
  • Publisher Correction: Programmable multistage drug delivery to lymph nodes.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-06
    Alex Schudel,Asheley Poole Chapman,Mei-Kwan Yau,Cody James Higginson,David Mark Francis,Margaret Patricia Manspeaker,Alexa Regina Chua Avecilla,Nathan Andrew Rohner,M G Finn,Susan Napier Thomas

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-07-06
  • Odd- and even-denominator fractional quantum Hall states in monolayer WSe2.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-06
    Qianhui Shi,En-Min Shih,Martin V Gustafsson,Daniel A Rhodes,Bumho Kim,Kenji Watanabe,Takashi Taniguchi,Zlatko Papić,James Hone,Cory R Dean

    Monolayer semiconducting transition-metal dichalcogenides (TMDs) represent a unique class of two-dimensional (2D) electron systems. Their atomically thin structure facilitates gate tunability just like graphene does, but unlike graphene, TMDs have the advantage of a sizable band gap and strong spin–orbit coupling. Measurements under large magnetic fields have revealed an unusual Landau level (LL) structure1

    更新日期:2020-07-06
  • Bipolar-shell resurfacing for blue LEDs based on strongly confined perovskite quantum dots.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-06
    Yitong Dong,Ya-Kun Wang,Fanglong Yuan,Andrew Johnston,Yuan Liu,Dongxin Ma,Min-Jae Choi,Bin Chen,Mahshid Chekini,Se-Woong Baek,Laxmi Kishore Sagar,James Fan,Yi Hou,Mingjian Wu,Seungjin Lee,Bin Sun,Sjoerd Hoogland,Rafael Quintero-Bermudez,Hinako Ebe,Petar Todorovic,Filip Dinic,Peicheng Li,Hao Ting Kung,Makhsud I Saidaminov,Eugenia Kumacheva,Erdmann Spiecker,Liang-Sheng Liao,Oleksandr Voznyy,Zheng-Hong

    Colloidal quantum dot (QD) solids are emerging semiconductors that have been actively explored in fundamental studies of charge transport1 and for applications in optoelectronics2. Forming high-quality QD solids—necessary for device fabrication—requires substitution of the long organic ligands used for synthesis with short ligands that provide increased QD coupling and improved charge transport3. However

    更新日期:2020-07-06
  • Publisher Correction: 2D phase transitions: Freezing and melting skyrmions in 2D.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-07-02
    Mathias Kläui

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-07-02
  • Author Correction: Scalable synthesis of hierarchically structured carbon nanotube-graphene fibres for capacitive energy storage.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-30
    Dingshan Yu,Kunli Goh,Hong Wang,Li Wei,Wenchao Jiang,Qiang Zhang,Liming Dai,Yuan Chen

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-06-30
  • Electrochemical cell in the brain.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    Ki Tae Nam,Sunghak Park

    Nitric oxide, a gaseous neurotransmitter, can be electrochemically generated inside the brain to activate calcium ion channels, paving the way for implantable neurotransmitter probes.

    更新日期:2020-06-29
  • In situ electrochemical generation of nitric oxide for neuronal modulation.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    Jimin Park,Kyoungsuk Jin,Atharva Sahasrabudhe,Po-Han Chiang,Joseph H Maalouf,Florian Koehler,Dekel Rosenfeld,Siyuan Rao,Tomo Tanaka,Tural Khudiyev,Zachary J Schiffer,Yoel Fink,Ofer Yizhar,Karthish Manthiram,Polina Anikeeva

    Understanding the function of nitric oxide, a lipophilic messenger in physiological processes across nervous, cardiovascular and immune systems, is currently impeded by the dearth of tools to deliver this gaseous molecule in situ to specific cells. To address this need, we have developed iron sulfide nanoclusters that catalyse nitric oxide generation from benign sodium nitrite in the presence of modest

    更新日期:2020-06-29
  • Quantum Hall effect of Weyl fermions in n-type semiconducting tellurene.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    Gang Qiu,Chang Niu,Yixiu Wang,Mengwei Si,Zhuocheng Zhang,Wenzhuo Wu,Peide D Ye

    Dirac and Weyl nodal materials can host low-energy relativistic quasiparticles. Under strong magnetic fields, the topological properties of Dirac/Weyl materials can directly be observed through quantum Hall states. However, most Dirac/Weyl nodes generically exist in semimetals without exploitable band gaps due to their accidental band-crossing origin. Here, we report the first experimental observation

    更新日期:2020-06-29
  • Power-efficient neural network with artificial dendrites.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    Xinyi Li,Jianshi Tang,Qingtian Zhang,Bin Gao,J Joshua Yang,Sen Song,Wei Wu,Wenqiang Zhang,Peng Yao,Ning Deng,Lei Deng,Yuan Xie,He Qian,Huaqiang Wu

    In the nervous system, dendrites, branches of neurons that transmit signals between synapses and soma, play a critical role in processing functions, such as nonlinear integration of postsynaptic signals. The lack of these critical functions in artificial neural networks compromises their performance, for example in terms of flexibility, energy efficiency and the ability to handle complex tasks. Here

    更新日期:2020-06-29
  • Subretinally injected semiconducting polymer nanoparticles rescue vision in a rat model of retinal dystrophy.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    José Fernando Maya-Vetencourt,Giovanni Manfredi,Maurizio Mete,Elisabetta Colombo,Mattia Bramini,Stefano Di Marco,Dmytro Shmal,Giulia Mantero,Michele Dipalo,Anna Rocchi,Mattia L DiFrancesco,Ermanno D Papaleo,Angela Russo,Jonathan Barsotti,Cyril Eleftheriou,Francesca Di Maria,Vanessa Cossu,Fabio Piazza,Laura Emionite,Flavia Ticconi,Cecilia Marini,Gianmario Sambuceti,Grazia Pertile,Guglielmo Lanzani,Fabio

    Inherited retinal dystrophies and late-stage age-related macular degeneration, for which treatments remain limited, are among the most prevalent causes of legal blindness. Retinal prostheses have been developed to stimulate the inner retinal network; however, lack of sensitivity and resolution, and the need for wiring or external cameras, have limited their application. Here we show that conjugated

    更新日期:2020-06-29
  • Role of nanoscale antigen organization on B-cell activation probed using DNA origami.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    Rémi Veneziano,Tyson J Moyer,Matthew B Stone,Eike-Christian Wamhoff,Benjamin J Read,Sayak Mukherjee,Tyson R Shepherd,Jayajit Das,William R Schief,Darrell J Irvine,Mark Bathe

    Vaccine efficacy can be increased by arraying immunogens in multivalent form on virus-like nanoparticles to enhance B-cell activation. However, the effects of antigen copy number, spacing and affinity, as well as the dimensionality and rigidity of scaffold presentation on B-cell activation remain poorly understood. Here, we display the clinical vaccine immunogen eOD-GT8, an engineered outer domain

    更新日期:2020-06-29
  • High oscillator strength interlayer excitons in two-dimensional heterostructures for mid-infrared photodetection.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-29
    Steven Lukman,Lu Ding,Lei Xu,Ye Tao,Anders C Riis-Jensen,Gang Zhang,Qing Yang Steve Wu,Ming Yang,Sheng Luo,Chuanghan Hsu,Liangzi Yao,Gengchiau Liang,Hsin Lin,Yong-Wei Zhang,Kristian S Thygesen,Qi Jie Wang,Yuanping Feng,Jinghua Teng

    The development of infrared photodetectors is mainly limited by the choice of available materials and the intricate crystal growth process. Moreover, thermally activated carriers in traditional III–V and II–VI semiconductors enforce low operating temperatures in the infrared photodetectors. Here we demonstrate infrared photodetection enabled by interlayer excitons (ILEs) generated between tungsten

    更新日期:2020-06-29
  • Freezing and melting skyrmions in 2D.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-24
    Mathias Kläui

    Lattices of magnetic whirls are a promising model system to study phases and phase transitions in two dimensions.

    更新日期:2020-06-24
  • Publisher Correction: Alloying conducting channels for reliable neuromorphic computing.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-23
    Hanwool Yeon,Peng Lin,Chanyeol Choi,Scott H Tan,Yongmo Park,Doyoon Lee,Jaeyong Lee,Feng Xu,Bin Gao,Huaqiang Wu,He Qian,Yifan Nie,Seyoung Kim,Jeehwan Kim

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-06-23
  • A gateway to understanding confined ions.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-22
    John M Griffin

    A new electrolyte gating technique probes the dynamics of the electrical double layer at the electrode–electrolyte interface. The experiments reveal an ion nanoconfinement effect that may help to explain supercapacitor charging mechanisms.

    更新日期:2020-06-23
  • Electrolyte gating in graphene-based supercapacitors and its use for probing nanoconfined charging dynamics.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-22
    Jing Xiao,Hualin Zhan,Xiao Wang,Zai-Quan Xu,Zhiyuan Xiong,Ke Zhang,George P Simon,Jefferson Zhe Liu,Dan Li

    Graphene-based nanoporous materials have been extensively explored as high-capacity ion electrosorption electrodes for supercapacitors. However, little attention has been paid to exploiting the interactions between electrons that reside in the graphene lattice and the ions adsorbed between the individual graphene sheets. Here we report that the electronic conductance of a multilayered reduced graphene

    更新日期:2020-06-23
  • Visualization of moiré superlattices.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-22
    Leo J McGilly,Alexander Kerelsky,Nathan R Finney,Konstantin Shapovalov,En-Min Shih,Augusto Ghiotto,Yihang Zeng,Samuel L Moore,Wenjing Wu,Yusong Bai,Kenji Watanabe,Takashi Taniguchi,Massimiliano Stengel,Lin Zhou,James Hone,Xiaoyang Zhu,Dmitri N Basov,Cory Dean,Cyrus E Dreyer,Abhay N Pasupathy

    Moiré superlattices in van der Waals heterostructures have given rise to a number of emergent electronic phenomena due to the interplay between atomic structure and electron correlations. Indeed, electrons in these structures have been recently found to exhibit a number of emergent properties that the individual layers themselves do not exhibit. This includes superconductivity1,2, magnetism3, topological

    更新日期:2020-06-23
  • Guiding the design space for nanotechnology to advance sustainable crop production.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-22
    Leanne M Gilbertson,Leila Pourzahedi,Stephanie Laughton,Xiaoyu Gao,Julie B Zimmerman,Thomas L Theis,Paul Westerhoff,Gregory V Lowry

    The globally recognized need to advance more sustainable agriculture and food systems has motivated the emergence of transdisciplinary solutions, which include methodologies that utilize the properties of materials at the nanoscale to address extensive and inefficient resource use. Despite the promising prospects of these nanoscale materials, the potential for large-scale applications directly to the

    更新日期:2020-06-23
  • Flexoelectronics of centrosymmetric semiconductors.
    Nat. Nanotechnol. (IF 31.538) Pub Date : 2020-06-22
    Longfei Wang,Shuhai Liu,Xiaolong Feng,Chunli Zhang,Laipan Zhu,Junyi Zhai,Yong Qin,Zhong Lin Wang

    Interface engineering by local polarization using piezoelectric1,2,3,4, pyroelectric5,6 and ferroelectric7,8,9 effects has attracted considerable attention as a promising approach for tunable electronics/optoelectronics, human–machine interfacing and artificial intelligence. However, this approach has mainly been applied to non-centrosymmetric semiconductors, such as wurtzite-structured ZnO and GaN

    更新日期:2020-06-23
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