Nanoscale devices articles within Nature Communications

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  • Article
    | Open Access

    The authors experimentally study a chain of superconducting islands (SI) and quantum dots (QD), where a Bogoliubov quasiparticle occupies each SI. They demonstrate correlations between the quasiparticles in each SI mediated by a single spin on the QD, known as an “over-screened" doublet state of the QD.

    • Juan Carlos Estrada Saldaña
    • , Alexandros Vekris
    •  & Jesper Nygård

  • Article
    | Open Access

    Optical interference filters are multilayer structures for controlling the propagation of electromagnetic waves. Jin et al. have developed a method of via inkjet printing to fabricate optical interference filters with commercially relevant quality with remarkable A4 paper size (29.7 × 21.0 cm²) in ambient conditions.

    • Qihao Jin
    • , Qiaoshuang Zhang
    •  & Uli Lemmer

  • Article
    | Open Access

    An efficient way of realising a large number of telecom single-photon emitters for quantum communication is still missing. Here, the authors use a wide-field imaging technique for fast localization of single InAs/InP quantum dots, which are then integrated into circular Bragg grating cavities featuring high single-photon purity and indistinguishability.

    • Paweł Holewa
    • , Daniel A. Vajner
    •  & Elizaveta Semenova

  • Article
    | Open Access

    Oscillating neural networks promise ultralow power consumption and rapid computation for tackling complex optimization problems. Here, the authors demonstrate VO2 oscillators to solve NP-complete problems with projected power consumption of 13 µW/oscillator.

    • Olivier Maher
    • , Manuel Jiménez
    •  & Siegfried Karg

  • Article
    | Open Access

    Various methods, using DNA, have been reported for the recording of biomolecular interactions, but most are either destructive in nature or are limited to reporting pairwise interactions. Here the authors develop DNA-based motors, termed ‘crawlers’, that roam around and record their trajectories to allow the examination of molecular environments.

    • Sungwook Woo
    • , Sinem K. Saka
    •  & Peng Yin

  • Article
    | Open Access

    Defects in materials are well known to suppress thermal transport. Here, the authors demonstrate that introducing defects in nanoscale heating zone enhances thermal conductance by up to 75% through reducing directional phonon nonequilibrium.

    • Yue Hu
    • , Jiaxuan Xu
    •  & Hua Bao

  • Article
    | Open Access

    Continuous-flow biocatalysis with immobilized enzymes is a sustainable route for chemical synthesis, but inadequate biocatalytic efficiency caused by non-productive enzyme immobilization or enzyme-carrier mismatches presents a challenge for its application. Here, the authors report an approach for the fabrication of a high-performance enzymatic continuous-flow reactor via integrating scalable isoporous block copolymer membranes as carriers with an oriented one-step enzyme immobilization via a genetically fused material binding peptide.

    • Zhenzhen Zhang
    • , Liang Gao
    •  & Volker Abetz

  • Article
    | Open Access

    Integrating security, computing and memory capabilities in ion-migration-driven memristors is challenging. Here, Woo et al. experimentally demonstrates a single system that performs cryptographic key generation, universal Boolean logic operations, and encryption/decryption.

    • Kyung Seok Woo
    • , Janguk Han
    •  & Cheol Seong Hwang

  • Article
    | Open Access

    Accurate perception of flight parameters is critical for flight control of micro air vehicles. Here, authors present a flexible calorimetric flow sensor with vanadium oxide thermistor arrays for flight parameters estimation, such as angle of attack and sideslip, flight velocity, and wing vibration.

    • Zheng Gong
    • , Weicheng Di
    •  & Huawei Chen

  • Article
    | Open Access

    Upon stress, plants activate a signaling cascade leading to resistance or stress adaptation. Here, Ang & Saju et al. use sensor multiplexing to elucidate the interplay between H2O2 and SA signaling as plants mount stress-specific defense responses.

    • Mervin Chun-Yi Ang
    • , Jolly Madathiparambil Saju
    •  & Rajani Sarojam

  • Article
    | Open Access

    Band engineering in optics allows the design of unconventional forms of light with potential optoelectronic applications. Here, the authors realize slow-light intercavity polaritons in an array of coupled cavities, the photonic architecture enables the spatial segregation of photons and excitons

    • Yesenia A. García Jomaso
    • , Brenda Vargas
    •  & Giuseppe Pirruccio

  • Article
    | Open Access

    Processing spatiotemporal information calls for the construction of hardware systems with computing capability comparable to biological neural networks. Inspired by human cochlea, Milozzi et al. develop neuromorphic circuits for memristive tonotopic mapping via volatile resistive switching memory devices.

    • Alessandro Milozzi
    • , Saverio Ricci
    •  & Daniele Ielmini

  • Article
    | Open Access

    Enhancing the data encoding into the orbital angular momentum of light beams could enable faster and more efficient optical communications. This work demonstrates complex control of the second harmonic wavefront with dynamics solely limited by the pulse duration.

    • Artem Sinelnik
    • , Shiu Hei Lam
    •  & Isabelle Staude

  • Article
    | Open Access

    In this work, the authors demonstrate a 2D memristor with high switching speeds of 120 ps and study its dynamic response with 3 ns short voltage pulses using statistical analysis, simulation, and modeling.

    • S. S. Teja Nibhanupudi
    • , Anupam Roy
    •  & Sanjay K. Banerjee

  • Article
    | Open Access

    A spin torque nano-oscillator consists of a free magnetic layer and a reference magnetic layer. Many works have examined the behaviour of droplet solitons in the free magnetic layer. Here, Jiang et al. extend this to pair of droplet solitons, with one in the free layer and one in the reference layer.

    • S. Jiang
    • , S. Chung
    •  & J. Åkerman

  • Article
    | Open Access

    Fabricating flexible transparent electrodes with robust operational stability alongside electrical and mechanical properties is challenging. Here, Kim et al. develop ultrathin flexible transparent electrodes using in-situ solution-processing and unveil interface dynamics of the integrated tri-system.

    • John Jinwook Kim
    • , Kojima Shuji
    •  & Wallace C. H. Choy

  • Article
    | Open Access

    Artificial sensory systems are often limited in structure and functionality. Here, Jiang et al. report a neuromorphic antennal sensory system that achieves spatiotemporal perception of vibrotactile and magnetic stimuli, showcasing biomimetic perceptual intelligence.

    • Chengpeng Jiang
    • , Honghuan Xu
    •  & Wentao Xu

  • Review Article
    | Open Access

    Memristors hold promise for massively-parallel computing at low power. Aguirre et al. provide a comprehensive protocol of the materials and methods for designing memristive artificial neural networks with the detailed working principles of each building block and the tools for performance evaluation.

    • Fernando Aguirre
    • , Abu Sebastian
    •  & Mario Lanza

  • Article
    | Open Access

    The nature of the molecule-metal interface is crucial for many technological applications. Here, the authors show that the photostability of the material can be sensitive to room light when coated with a single molecular layer, with implications for devices and processes.

    • Chenyang Guo
    • , Philip Benzie
    •  & Jeremy J. Baumberg

  • Article
    | Open Access

    Spin waves in magnetic nanosystems offer a potential platform for wave-based signal processing and computing, with a variety of advantages compared to optical approaches. Herein, the authors demonstrate resonant phase matched generation of second harmonic spin waves, enabling the generation of short wavelength spin waves that are otherwise difficult to directly excite.

    • K. O. Nikolaev
    • , S. R. Lake
    •  & V. E. Demidov

  • Article
    | Open Access

    Exploring the miniaturization of imaging systems, researchers use inverse-design for broadband meta-optics in the LWIR spectrum. Here, authors achieve a six-fold Strehl ratio improvement in image quality over conventional metalenses using a novel design and computational techniques.

    • Luocheng Huang
    • , Zheyi Han
    •  & Arka Majumdar

  • Article
    | Open Access

    The efficiency of upconversion electroluminescence remains very low for single-molecule emitters. Here, the authors report over one order of magnitude improvement in the emission efficiency via engineering energy-level alignments for triplet relayed upconversion involving only carrier injection.

    • Yang Luo
    • , Fan-Fang Kong
    •  & Zhen-Chao Dong

  • Article
    | Open Access

    Smart sensors are important components in the development of touchless human-machine interaction systems. Here, the authors describe a smart 3D porous crystalline organic cage-based system that exhibits remarkable responsiveness to fingertip humidity, contributing to the advancement of touchless human-machine interaction technology.

    • Jinrong Wang
    • , Weibin Lin
    •  & Niveen M. Khashab

  • Article
    | Open Access

    Researchers showcase an integrated photonic device with monocrystalline CsPbBr3 perovskite. Employing top-down etching approach, it introduces for micro lasers, beam splitters, X-couplers, Mach-Zehnder interferometers on perovskite films. This opens avenues for integrating perovskite semiconductors into optical chips, promising advancements in information and computing science.

    • Qi Han
    • , Jun Wang
    •  & Li Ji

  • Article
    | Open Access

    True amplification of spin waves by spin-orbit torque, which manifests itself by an exponential increase in amplitude with propagation distance, has so far remained elusive. Here, the authors realize amplification using clocked nanoseconds-long spin-orbit torque pulses in magnonic nano-waveguides.

    • H. Merbouche
    • , B. Divinskiy
    •  & V. E. Demidov

  • Article
    | Open Access

    Fe3GaTe2 is a van der Waals material with a Curie temperature well above room temperature, making it an attractive material for integration into spintronic devices. Here, Kajale et al demonstrate spin-orbit torque induced switching of the magnetization of Fe3GaTe2, above room temperature, using a Pt spin Hall layer.

    • Shivam N. Kajale
    • , Thanh Nguyen
    •  & Deblina Sarkar

  • Article
    | Open Access

    Frequency converters for wireless internet of things applications typically require separate circuits for different functions, causing energy and performance inefficiencies. Using an epitaxially grown VO2 memristor array, Liu et al. present a frequency converter with in-situ frequency synthesis and mix functionality.

    • Chang Liu
    • , Pek Jun Tiw
    •  & Yuchao Yang

  • Article
    | Open Access

    Metal-metal interfaces hold promise as contacting moieties for single-molecule devices with tunable functionality, yet the direct bonding has remained a challenge. Here, Lee et al. report the formation of Fe-Au bond without chemical ligand support in ferrocene-based molecular junctions.

    • Woojung Lee
    • , Liang Li
    •  & Latha Venkataraman

  • Article
    | Open Access

    Qudits, higher-dimensional analogues of qubits, expand quantum state space for information processing using fewer physical units. Here the authors demonstrate control over a 16-dimensional Hilbert space, equivalent to four qubits, using combined electron-nuclear states of a single Sb donor atom in Si.

    • Irene Fernández de Fuentes
    • , Tim Botzem
    •  & Andrea Morello

  • Article
    | Open Access

    Electron charge and spin shuttling is a promising technique for connecting distant spin qubits. Here the authors use conveyor-mode shuttling to achieve high-fidelity transport of a single electron spin in Si/SiGe by separation and rejoining of two spin-entangled electrons across a shuttling distance of 560 nm.

    • Tom Struck
    • , Mats Volmer
    •  & Lars R. Schreiber

  • Article
    | Open Access

    Here, the authors report the synthesis and characterization of doped nanoporous graphene superlattices, showing their improved properties for electromagnetic shielding, energy harvesting, optoelectronic and thermoelectric applications.

    • Hualiang Lv
    • , Yuxing Yao
    •  & Xiaoguang Wang

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