Edge channels of broken-symmetry quantum Hall states in graphene visualized by atomic force microscopy

Quantum Hall edge states, topologically protected states providing ‘runways’ for charge carries, are visualized in graphene by atomic force microscopy.

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Latest Research articles

  • Previous research showed the existence of Rydberg excitons with large principle quantum numbers in Cu2O. Here, by using two-color pump-probe optical spectroscopy, the authors demonstrate the generation and control of long-range correlations between these giant Rydberg excitons, leading to exciton blockade.

    • Julian Heckötter
    • Valentin Walther
    • Marc Aßmann
    Article Open Access
  • O-GalNAc glycans are essential in many biological and pathological processes, but difficult to access due to their structural complexity and synthetic challenges. Here, the authors report an efficient chemoenzymatic modular assembly strategy to construct structurally diverse O-GalNAc glycans, use the synthesised glycans to generate a synthetic mucin O-glycan microarray and profile binding specificities of glycan-binding proteins.

    • Shuaishuai Wang
    • Congcong Chen
    • Lei Li
    Article Open Access
  • A major goal in Engineering Biology and Materials Science is the development of active, autonomous scaffolds that mimic those present in biological cells. Here the authors report a toolkit for programming the dynamic behaviour of nucleic acid scaffolds in minimal cell-like compartments.

    • Siddharth Agarwal
    • Melissa A. Klocke
    • Elisa Franco
    Article Open Access
  • Control of quantum emitters is needed in order to enable many applications. Here, the authors demonstrate enhancement and dynamical control of the Purcell emission from erbium ions doped in a nanoparticle within a fiber-based microcavity.

    • Bernardo Casabone
    • Chetan Deshmukh
    • Hugues de Riedmatten
    Article Open Access

Subjects within Physical sciences

  • It is unclear whether climate driven phenological shifts of tundra plants are consistent across the plant growing season. Here the authors analyse data from a network of field warming experiments in Arctic and alpine tundra, finding that warming differentially affects the timing and duration of reproductive and vegetative phenology.

    • Courtney G. Collins
    • Sarah C. Elmendorf
    • Katharine N. Suding
    Article Open Access
  • Superbolts are powerful, rare lightning events. Here, the authors show simultaneous satellite and ground measurements of a superbolt, and demonstrate different properties of superbolts and lightnings.

    • J.-F. Ripoll
    • T. Farges
    • S. Pédeboy
    Article Open Access
  • Why Earth’s crust only started becoming widely preserved in the Eoarchaean, 500 Ma after planetary accretion, is poorly understood. Here, the authors document a shift to juvenile magmatic sources in the early Eoarchaean, linking crustal preservation to the formation of stabilising melt-depleted mantle.

    • Jacob A. Mulder
    • Oliver Nebel
    • Timothy J. Ivanic
    Article Open Access
  • Social inequalities may be reflected in how ecosystem services are distributed among groups of people. Here the authors estimate the distribution of three ecosystem services across demographic and socioeconomic groups in the US between 2020 and 2100, finding that non-white and lower-income groups disproportionately bear the loss of ecosystem service benefits.

    • Jesse D. Gourevitch
    • Aura M. Alonso-Rodríguez
    • Taylor H. Ricketts
    Article Open Access
  • A case study of migmatites indicates that the juvenile arc crust underwent a rapid self-recycling process from arc magmatism to erosion and weathering at the surface, then to burial and remelting. Intra-arc thrust fault systems might efficiently promote endogenous recycling.

    • Jun-Yong Li
    • Ming Tang
    • Lin-Sen Li
    Article Open Access

Subjects within Earth and environmental sciences

Subjects within Biological sciences

Subjects within Health sciences

  • Here, the authors examine how altruism can emerge as people come to trust a public institution of moral assessment, which broadcasts whether individuals have good or bad reputations for reciprocity.

    • Arunas L. Radzvilavicius
    • Taylor A. Kessinger
    • Joshua B. Plotkin
    Article Open Access
  • Here, the authors survey neuroscience publications from Africa over the past two decades, highlighting areas of active research, international networks, funding, and techniques used.

    • M. B. Maina
    • U. Ahmad
    • T. Baden
    Article Open Access
  • Tree rings are a crucial archive for Common Era climate reconstructions, but the degree to which methodological decisions influence outcomes is not well known. Here, the authors show how different approaches taken by 15 different groups influence the ensemble temperature reconstruction from the same data.

    • Ulf Büntgen
    • Kathy Allen
    • Jan Esper
    Article Open Access
  • Here, the authors show that an integrative thinking process linked philosophically to wisdom may reduce group polarization. Specifically, wise reasoning improves intergroup attitudes and behavior even at time of heightened societal conflicts.

    • Justin P. Brienza
    • Franki Y. H. Kung
    • Melody M. Chao
    Article Open Access
  • Ride-sharing, combining similar concurrent trips into one, may support sustainable urban mobility yet lacks broad adoption. Storch et al. reveal how collective interactions in shared rides explain essential characteristics of ride-sharing adoption patterns e.g. observed in New York City and Chicago.

    • David-Maximilian Storch
    • Marc Timme
    • Malte Schröder
    Article Open Access

Subjects within Scientific community and society

  • The fast-growing interest for two-dimensional (2D) nanomaterials is undermined by their natural restacking tendency, which severely limits their practical application. Novel porous heterostructures that coordinate 2D nanosheets with monolayered mesoporous scaffolds offer an opportunity to greatly expand the library of advanced materials suitable for electrochemical energy storage technologies.

    • Jie Wang
    • Victor Malgras
    • Yusuke Yamauchi
    Comment Open Access
  • Water ice exists in hugely different environments, artificially or naturally occurring ones across the universe. The phase diagram of crystalline phases of ice is still under construction: a high-pressure phase, ice XIX, has just been reported but its structure remains ambiguous.

    • Thomas C. Hansen
    Comment Open Access
  • Proteins and peptides are amongst the most widely used research reagents but often their quality is inadequate and can result in poor data reproducibility. Here we propose a simple set of guidelines that, when correctly applied to protein reagents should provide more reliable experimental data.

    • Ario de Marco
    • Nick Berrow
    • Bertrand Raynal
    Comment Open Access
  • Opportunities for early career researchers (ECRs) to engage with the peer review and publication process can be few and far between. Last year, we launched a pilot support programme to introduce ECRs to peer review.

    Editorial Open Access
  • The year 2020 brought unprecedented challenges, and opportunities to reassess and reaffirm our values. As our anniversary year draws to a close, we reflect on achievements and areas for improvement.

    Editorial Open Access
Catalysis

Catalysis

This page provides a snapshot of some of the most exciting work published in the broad areas of catalysis, including catalyst synthesis, catalytic characterization, mechanism, computational and theoretical catalysis, electrocatalysis, photocatalysis, environmental catalysis, asymmetric catalysis, organocatalysis, and enzymatic catalysis.
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