Electronic devices articles within Nature Communications

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  • Article
    | Open Access

    Temperature-induced insulator-to-metal transitions are usually accompanied by structural phase transitions. Here the authors demonstrate an enhancement of the electrical conductance in a thin film of a biologically relevant metal-organic framework, without noticeable change in the structure, assigned to be of mainly electronic origin.

    • Pooja Sindhu
    • , K. S. Ananthram
    •  & Nirmalya Ballav

  • Article
    | Open Access

    Here, the authors observe room-temperature ferroelectricity in van der Waals layered GaSe down to monolayer with mirror symmetric structures and attribute it to the intralayer sliding of the Se atomic sublayers.

    • Wenhui Li
    • , Xuanlin Zhang
    •  & Lan Chen

  • Article
    | Open Access

    Designing a full-memristive circuit for different algorithm remains a challenge. Here, the authors propose a recirculated logic operation scheme using memristive hardware and 2D transistors for cellular automata, supporting multiple algorithms with a 79-fold cost reduction compared to FPGA.

    • Yanming Liu
    • , He Tian
    •  & Tian-Ling Ren

  • Article
    | Open Access

    Increasing functional density is desirable for future scaling of electronics. Here, the authors use a nanowire ferroelectric tunnel field-effect transistor to achieve reconfigurable signal modulations for low-power and high-density analogue circuits.

    • Zhongyunshen Zhu
    • , Anton E. O. Persson
    •  & Lars-Erik Wernersson

  • Article
    | Open Access

    2D semiconductors with nonlinear optical properties hold promise for multifunction integration in electronic-photonic integrated circuits. Here, the authors report the synthesis of 2D SnP2Se6 and its integration with a SiN photonic platform, showing strong odd-even layer-independent second harmonic generation activity at 1550 nm and broadband photoresponse.

    • Cheng-Yi Zhu
    • , Zimeng Zhang
    •  & Cheng-Yan Xu

  • Article
    | Open Access

    The complex coupling between charge-carriers and phonons in bismuth oxyiodide (BiOI) are uncovered, showing how carrier localisation is avoided and long transport lengths achieved. As a result, BiOI is revealed to be highly effective for X-ray detection.

    • Robert A. Jagt
    • , Ivona Bravić
    •  & Robert L. Z. Hoye

  • Article
    | Open Access

    The integration of high-κ dielectric layers with 2D semiconductors is essential for electronic applications, but remains challenging. Here the authors report a dry transfer method of wafer-scale Al2O3 and HfO2 thin films for the realization of top-gated monolayer MoS2 transistors and logic gates.

    • Zheyi Lu
    • , Yang Chen
    •  & Yuan Liu

  • Article
    | Open Access

    Ionic-junction devices are difficult to integrate with fiber-shaped tissues like nerves and muscles for applications in implantable bioelectronics due to their large size and bulk structure. Authors realize here easy to implant fiber-shaped iontronics through an integrated opposite charge grafting process, enabling the construction of ionic logic gates and artificial neural pathways.

    • Yi Xing
    • , Mingjie Zhou
    •  & Gang Wang

  • Article
    | Open Access

    Sensing and processing UV light is essential for advanced artificial visual perception system. Here, the authors report a controllable UV-ultrasensitive neuromorphic vision sensor using organic phototransistors to integrate sensing, memory and processing functions, and perform the static image and dynamic movie recognition.

    • Ting Jiang
    • , Yiru Wang
    •  & Wenping Hu

  • Article
    | Open Access

    Image reconstruction algorithms raise critical challenges in massive data processing for medical diagnosis. Here, the authors propose a solution to significantly accelerate medical image reconstruction on memristor arrays, showing 79× faster speed and 153× higher energy efficiency than state-of-the-art graphics processing unit.

    • Han Zhao
    • , Zhengwu Liu
    •  & Huaqiang Wu

  • Article
    | Open Access

    Stretchable and degradable elastomers are crucial for developing transient and bioresorbable electronics. Herein, Han et al. tuned the diverse properties of biodegradable PLCL elastomers and demonstrated their application in soft, perceptive robotic grippers and transient, suture-free cardiac jackets.

    • Won Bae Han
    • , Gwan-Jin Ko
    •  & Suk-Won Hwang

  • Article
    | Open Access

    Dynamic machine vision requires recognizing the past and predicting the future of moving objects. Here, the authors demonstrate retinomorphic photomemristor networks with inherent dynamic memory for accurate motion recognition and prediction.

    • Hongwei Tan
    •  & Sebastiaan van Dijken

  • Article
    | Open Access

    Electroadhesion in soft robotics provides controllable interfacial attraction for robotic functionalities but materials selection is limited. Here, Gao et. al. present an iontronic adhesive to design a soft iontronic gripper with self-healability, tunable adhesion at reduced voltages and rapid release.

    • Dace Gao
    • , Gurunathan Thangavel
    •  & Pooi See Lee

  • Article
    | Open Access

    Origami-inspired engineering has enabled intelligent materials and structures to react to environments, yet a complete sense-decide-act autonomous loop is still challenging. Yan et al. introduce autonomous origami robots by embedding sensing, computing, and actuating in compliant, conductive materials.

    • Wenzhong Yan
    • , Shuguang Li
    •  & Ankur Mehta

  • Article
    | Open Access

    Pure organic room-temperature phosphorescencent materials draw much attention but realising electroluminescence under electric excitation is challenging. Here the authors propose a donor-oxygen-acceptor molecular design realizing aggregation-induced organic room-temperature electrophosphorescence with high external quantum efficiency.

    • Lulin Xu
    • , Yuhang Mo
    •  & Junqiao Ding

  • Article
    | Open Access

    Cooperative transitions have acquired much attention for low transition barriers, ultrafast kinetics, and structural reversibility but cooperative transitions are rare in molecular crystals and their origin is poorly understood. Here the authors show that reorientation of the alkyl side chains in a 2-dimensional quinoidal terthiophene triggers cooperative behavior, and establish alkyl chain engineering to control the polymorphic behavior.

    • Daniel William Davies
    • , Bumjoon Seo
    •  & Ying Diao

  • Article
    | Open Access

    Significant attention has been devoted to understanding the low-electric-field properties of carriers in moiré graphene, but high-electric-field transport has not been as well explored. Here, the authors find non-monotonic transport behavior at moiré minigaps due to competition between inter-band tunneling and coupling to out-of-equilibrium phonons.

    • Jubin Nathawat
    • , Ishiaka Mansaray
    •  & Jonathan P. Bird

  • Article
    | Open Access

    Doping is widely adopted to make organic semiconductors more conductive, yet the impact of molecular electronic properties on doping performance is still not fully understood. Armleder et al. compute host-dopant interactions and show that a short-range overscreening effect strongly affects conductivity.

    • Jonas Armleder
    • , Tobias Neumann
    •  & Artem Fediai

  • Article
    | Open Access

    Designing tactile sensors with high spatial resolution are crucial to manufacture large scale flexible electronics. Here, the authors develop a micro-cage structure by exploiting photo-reticulated strain localization films (prslPDMS), which shows the strain local confinement effect and could be used to prepare ultralow crosstalk sensor arrays.

    • Yufei Zhang
    • , Qiuchun Lu
    •  & Junyi Zhai

  • Article
    | Open Access

    The recombination between electrons and holes in electroluminescence processes has never been directly evaluated. Here, Yasuji et al. directly visualize, with spectroscopic techniques, operation dynamics in light-emitting electrochemical cells during device operation, leading to a rapid device evaluation.

    • Kosuke Yasuji
    • , Tomo Sakanoue
    •  & Katsuichi Kanemoto

  • Article
    | Open Access

    Printed organic and inorganic electronics continue to be of large interest for several applications. Here, the authors propose laser printing as a facile process for fabricating printed electronics with minimum feature sizes below 1 µm and demonstrate functional diodes, memristors, and physically unclonable functions.

    • Liang Yang
    • , Hongrong Hu
    •  & Martin Wegener

  • Article
    | Open Access

    Laminated van der Waals (vdW) metallic electrodes can improve the contact of 2D electronic devices, but their scalability is usually limited by the transfer process. Here, the authors report a strategy to deposit vdW contacts onto various 2D and 3D semiconductors at the wafer scale.

    • Lingan Kong
    • , Ruixia Wu
    •  & Yuan Liu

  • Article
    | Open Access

    Developing an artificial olfactory system that can mimic the biological functions remains a challenge. Here, the authors develop an artificial chemosensory synapse based on a flexible organic electrochemical transistor gated by the potential generated by the interaction of gas molecules with ions in a chemoreceptive ionogel.

    • Hamna Haq Chouhdry
    • , Dong Hyun Lee
    •  & Nae-Eung Lee

  • Article
    | Open Access

    Metasurface-based antennas show variable beam-patterns in response to the time width of electromagnetic pulses. This concept advances the design of antennas and wireless communication environments by using the pulse width as a new degree of freedom.

    • Daiju Ushikoshi
    • , Riku Higashiura
    •  & Hiroki Wakatsuchi

  • Article
    | Open Access

    Conductive materials with tissue-matched softness are needed for ultra-soft electronics. Here, the authors report ultra-soft and conductive bottlebrush elastomer composites and fabricate them into electronics with laser cutting and 3D printing methods.

    • Pengfei Xu
    • , Shaojia Wang
    •  & Xinyu Liu

  • Article
    | Open Access

    Achieving both low energy consumption and radiation-hardness is highly challenging in memory devices. Here, the authors demonstrate a sub-10 fJ/bit, radiation-hard nanoelectromechanical non-volatile memory through structural and material approaches.

    • Yong-Bok Lee
    • , Min-Ho Kang
    •  & Jun-Bo Yoon

  • Article
    | Open Access

    Designing efficient photonic neuromorphic systems remains a challenge. Here, the authors develop an in-sensor Reservoir Computing system for multi-tasked pattern classification based on a light-responsive semiconducting polymer (p-NDI) with efficient exciton dissociations, charge trapping capability, and through-space charge-transport characteristics.

    • Xiaosong Wu
    • , Shaocong Wang
    •  & Weiguo Huang

  • Article
    | Open Access

    A suppressed energy loss through Dexter energy transfer is crucial to achieve highly efficient blue organic light-emitting diodes. Here, authors synthesize quadrupolar donor-acceptor-donor type thermally activated delayed fluorescence sensitizers and realize device with maximum efficiency of 43.9%.

    • Hyuna Lee
    • , Ramanaskanda Braveenth
    •  & Jang Hyuk Kwon

  • Article
    | Open Access

    Exploiting the electrical and mechanical properties of CNT films remain elusive because of the difficult material process. Here, Wang et al. report multifunctional MWCNT films with crystalline structure which exhibited great electromagnetic interference shielding efficiency, high thermoelectric power factor, and large ampacity.

    • Hong Wang
    • , Xu Sun
    •  & Junjie Yan

  • Article
    | Open Access

    The limitation in metal-semiconductor contact has been a major challenge for high-performance organic field-effect transistors. Here, the authors fabricate the contact by transferring platinum electrode on solution-processed organic films, realizing ultralow total contact resistance down to 14 Ω ∙ cm.

    • Junpeng Zeng
    • , Daowei He
    •  & Xinran Wang

  • Article
    | Open Access

    Designing ultrathin and flexible antenna is of great interest for efficient wireless data communication and transmission at fast-growing IoT applications. The authors report a flexible ultrawideband Ti3C2 monopole antenna by combining strategies of interfacial modification and advanced extrusion printing technology.

    • Weiwei Zhao
    • , Hao Ni
    •  & Qiang Zhao

  • Article
    | Open Access

    The surface localized charges in colloidal quantum dots induce a degradation that limits the electroluminescence performance. Here, Chen et al. propose quantum dots with monmonotonically-graded core/shell/shell structures to boost the device’s performance by reducing the surface-bulk coupling.

    • Xingtong Chen
    • , Xiongfeng Lin
    •  & Song Chen

  • Article
    | Open Access

    Designing scaled electronic devices for neuromorphic applications remains a challenge. Here, Zhang et al. develop an artificial molecular synapse based on self-assembled peptide molecule monolayer whose conductance can be dynamically modulated and used for waveform recognition.

    • Yuchun Zhang
    • , Lin Liu
    •  & Yong Yan

  • Article
    | Open Access

    2D semiconductors are attracting increasing attention as potentially scalable channels for future transistors, but the scaling of their contact length remains challenging. Here, the authors report the realization of 1D semimetal-2D semiconductor contacts based on individual carbon nanotubes with contact length down to 2 nm.

    • Xuanzhang Li
    • , Yang Wei
    •  & Yuegang Zhang

  • Article
    | Open Access

    Deep level transient spectroscopy (DLTS) is an established characterization technique used to study electrically active defects in 3D semiconductors. Here, the authors show that DLTS can also be applied to monolayer semiconductors, enabling in-situ characterization of the energy states of different defects and their interactions.

    • Yanfei Zhao
    • , Mukesh Tripathi
    •  & Andras Kis

  • Article
    | Open Access

    The application of multiferroics is often limited by low ordering temperatures. Here, the authors show that BaFe2O4 is a room temperature antiferromagnet with improper ferroelectricity, suggesting it as a playground for the study of multiferroicity.

    • Fabio Orlandi
    • , Davide Delmonte
    •  & Francesco Mezzadri

  • Article
    | Open Access

    The poor conductivity of organic crystals hinders their potential on applications in flexible electronics, wearable devices, and soft robotics. Here, Naumov et al. develop a hybrid organic crystal that shows enhanced electrical conductivity and fast mechanical deformation due to temperature change.

    • Xuesong Yang
    • , Linfeng Lan
    •  & Hongyu Zhang

  • Article
    | Open Access

    Here, the authors show robust edge state transport in patterned nanoribbon networks produced on epigraphene—graphene that is epitaxially grown on non-polar faces of SiC wafers. The edge state forms a zero-energy, one-dimensional ballistic network with dissipationless nodes at ribbon–ribbon junctions.

    • Vladimir S. Prudkovskiy
    • , Yiran Hu
    •  & Walt A. de Heer

  • Article
    | Open Access

    The influence of ion-sidechain interactions on ion-insertion energetics in organic mixed ionicelectronic conductors (OMIECs) is not well understood. The authors show that a Gutmann Donor/Acceptor number framework captures ion-sidechain interactions and provides a rational basis for designing OMIECs.

    • Jibin J. Samuel
    • , Ashutosh Garudapalli
    •  & Naga Phani B. Aetukuri

  • Article
    | Open Access

    Valleytronic devices employ the electronic valley degree of freedom to realize potential low-power electronic applications. Here, the authors utilize a topological semiconductor to engineer valley polarization transistors with long lifetimes and demonstrate low-power neuromorphic functionality at room temperature.

    • Jiewei Chen
    • , Yue Zhou
    •  & Yang Chai

  • Article
    | Open Access

    Ultrahigh-resolution patterning with high-throughput and high-fidelity is highly in demand for expanding the potential of OLEDs. Here, the authors report that silicone-incorporated organic light-emitting semiconductors can achieve anisotropic lithography via reactive ion etching-coupled photolithography, for ultrahigh-density RGB OLED arrays.

    • Hyukmin Kweon
    • , Keun-Yeong Choi
    •  & Do Hwan Kim

  • Article
    | Open Access

    2D and 3D conductive MOFs have performed well in the fields of energy and catalysis. Here, authors synthesise a 1D conductive MOF in which DDA ligands are connected by double Cu ions, forming nanoribbon layers with π-d conjugated nanoribbon planes and out-of-plane π-π stacking, which facilitates charge transport along two dimensions.

    • Shengcong Shang
    • , Changsheng Du
    •  & Jianyi Chen

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