Materials for devices articles within Nature Communications

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  • Article
    | Open Access

    The in-depth study on the sweat–blood partitioning mechanisms of amino acids is promising for noninvasive metabolic monitoring. Here, the authors develop a wearable biochip for sweat phenylalanine multimodal analysis aimed at tracking exercise metabolic risk and exploring the sweat–blood correlation.

    • Bowen Zhong
    • , Xiaokun Qin
    •  & Lili Wang

  • Article
    | Open Access

    Conventional deoxygenation methods typically result in inevitable trace oxygen residue in organic semiconductors. Here, Huang et al. reports a non-destructive soft-plasma treatment for deoxygenation and that removal of trace oxygen can be used to modulate p-type characteristics.

    • Yinan Huang
    • , Kunjie Wu
    •  & Wenping Hu

  • Article
    | Open Access

    Organic neural implants hold considerable promise for biocompatible neural interfaces. Here, the authors employ polymer-based organic electrochemical diodes and transistors to develop neuron-sized complex circuits, enabling multiplexing without crosstalk and demonstrate that, when integrated onto ultra-thin plastic, these circuits achieve high performance while maintaining minimal invasiveness.

    • Ilke Uguz
    • , David Ohayon
    •  & Kenneth L. Shepard

  • Article
    | Open Access

    Designing efficient high-density crossbar arrays are nowadays highly demanded for many artificial intelligence applications. Here, the authors propose a two-terminal ferroelectric fin diode non-volatile memory in which a ferroelectric capacitor and a fin-like semiconductor channel are combined to share both top and bottom electrodes with high performance and easy fabrication process

    • Guangdi Feng
    • , Qiuxiang Zhu
    •  & Chungang Duan

  • Article
    | Open Access

    Harvesting biomechanical energy from cardiac motion is an attractive power source for implantable bioelectronic devices. Here, the authors report a battery-free, transcatheter, self-powered intracardiac pacemaker for the treatment of arrhythmia in large animal models.

    • Zhuo Liu
    • , Yiran Hu
    •  & Zhong Lin Wang

  • Article
    | Open Access

    Microneedle patches that can actively address individual needles are challenging to realize. Here, the authors introduce a spatiotemporal on-demand patch for precise and personalized drug delivery, utilizing electrically triggered control with drug-loaded microneedles and biocompatible metallic membranes.

    • Yihang Wang
    • , Zeka Chen
    •  & Wubin Bai

  • Article
    | Open Access

    Thermistors typically read at DC or low frequencies have limited temperature-sensing ranges. Here, authors show how a radio frequency readout can overcome the decades-old range limitation of thermistors, while creating a wireless interface for a soft thermistor composite through antennas and RFID.

    • Mahmoud Wagih
    • , Junjie Shi
    •  & Steve Beeby

  • Article
    | Open Access

    Electro-active ionic soft actuators generally present slow responses and poor durability when are applied as artificial muscles. Here, the authors describe a polyelectrolyte membrane based on the assembly of Nafion molecules into micelles with efficient ionic conducting pathways for electro-ionic soft actuators and soft robotics with fast responses and long durability.

    • Van Hiep Nguyen
    • , Saewoong Oh
    •  & Il-Kwon Oh

  • Article
    | Open Access

    In this work, authors demonstrate highly stretchable conductive porous elastomers that can achieve up to 1200% strain with low or negative Poisson’s ratios by uniaxial, biaxial, and triaxial hot-pressing strategies.

    • Xiaoyu Zhang
    • , Qi Sun
    •  & Guoqing Zu

  • Article
    | Open Access

    The sign of longitudinal piezoelectric coefficients is typically positive. Here, the authors tune the sign of the linear piezoelectric coefficient of HfO2 from positive to negative via epitaxial strain, finding nonlinear and parabolic piezoelectric behaviors at tensile epitaxial strain.

    • Hao Cheng
    • , Peijie Jiao
    •  & Yurong Yang

  • Article
    | Open Access

    Nanoscale ferroelectric domains called electric bubbles are shown to behave as dynamical particles. Using atomistic simulations and experiments, the authors reveal a bubble liquid phase and demonstrate teleportation-like displacements of single bubbles.

    • S. Prokhorenko
    • , Y. Nahas
    •  & L. Bellaiche

  • Article
    | Open Access

    Hydrogen-bonded organic frameworks as stimuli responsive multistate structures show potential in the field of resistive switching. Here, the authors report a 0D+1D hydrogen-bonded polycatenation non-covalent organic framework showing reversible transformation of multistate-structures triggered by electrical field and temperature, enabling reversibly switchable resistive random-access memory and write-once-read-many-times memory behavior.

    • Shimin Chen
    • , Yan Ju
    •  & Zhangjing Zhang

  • Article
    | Open Access

    The water stability of perovskites remains challenging due to their intrinsic ionic nature. Here, the authors present water stable perovskite X-ray imager driven by strong cation-π interactions between organic cations and a complete release of microstrain during dimension transformation process.

    • Wanting Pan
    • , Yuhong He
    •  & Haotong Wei

  • Article
    | Open Access

    The simultaneous scaling down of the channel length and gate length of 2D transistors remains challenging. Here, the authors report a self-alignment process to fabricate vertical MoS2 transistors with sub-1 nm gate length and sub−50 nm channel length, exhibiting on-off ratios over 105 and on-state currents of 250 μA/μm at 4 V bias.

    • Liting Liu
    • , Yang Chen
    •  & Yuan Liu

  • Article
    | Open Access

    Designing memristor-integrated passive crossbar arrays to accelerate artificial neural networks with high reliability remains a challenge. Here, the authors propose a self-rectifying resistive switching device incorporated into a crossbar array with a density of 1 kb whose operational performance is assessed in terms of defected-cell proportion, reading margin, and selection functionality.

    • Kanghyeok Jeon
    • , Jin Joo Ryu
    •  & Gun Hwan Kim

  • Article
    | Open Access

    The design of multifunctional platforms with tunable spectroscopic and fluorescent properties that span the ultraviolet, visible, and near-infrared spectral regions remains challenging. Here, the authors report an actuator-type system that leverages a readily-prepared, easily-processable, and exceptionally-stable nonacene-like molecule to achieve multiple complementary dynamic operating modes.

    • Preeta Pratakshya
    • , Chengyi Xu
    •  & Alon A. Gorodetsky

  • Article
    | Open Access

    Gas sensors typically detect only few specific gases; the authors show a broad-spectrum sensor based on correlated 2-dimensional electron gas (C-2DEG), which detects various gases quantitatively and measures partial pressures, through a purely physical mechanism.

    • Yuhao Hong
    • , Long Wei
    •  & Zhaoliang Liao

  • Article
    | Open Access

    In-sensor and near-sensor computing are emerging as the next-generation computing paradigm, for high-density and low-power sensory processing. Here, the authors report a fully hardware-implemented artificial visual system for versatile image processing based on multimodal-multifunctional optoelectronic resistive memory devices with optical and electrical resistive switching modes.

    • Guangdong Zhou
    • , Jie Li
    •  & Shukai Duan

  • Article
    | Open Access

    Chemical approaches to improve aqueous dispersions of conjugated polymers are limited by the feasibility of modifying the backbone or lead to poor performance. Here, Liu et al. show that ground-state electron transfer in donor:acceptor blends aids aqueous dispersion, for high conductivity and solubility.

    • Tiefeng Liu
    • , Johanna Heimonen
    •  & Simone Fabiano

  • Article
    | Open Access

    Several solid-state defect platforms have been proposed for application as a spin-photon interface in quantum communication networks. Here the authors report spin-selective optical transitions and narrow inhomogeneous spectral distribution of V centers in isotopically-enriched SiC emitting in the telecom O-band.

    • Pasquale Cilibrizzi
    • , Muhammad Junaid Arshad
    •  & Cristian Bonato

  • Article
    | Open Access

    Stretchable polymer semiconductors with high mechanical and electrical properties are challenging to develop. Wu et al. show that reversible molecular ordering under strain important for performance optimization and relative stretchability can be used to compare the relative strain tolerance of materials.

    • Hung-Chin Wu
    • , Shayla Nikzad
    •  & Zhenan Bao

  • Article
    | Open Access

    Ferroelectric transistors are promising building blocks for developing energy-efficient memory and logic applications. Here, the authors report a record high 300 K resistance on-off ratio achieved in ferroelectric-gated Mott transistors by exploiting a charge transfer layer to tailor the channel carrier density and mitigate the ferroelectric depolarization effect.

    • Yifei Hao
    • , Xuegang Chen
    •  & Xia Hong

  • Article
    | Open Access

    Responsive hydrogels containing multichannel information have potential in miniature devices, but their fabrication can be challenging. Here, the authors report the creation of hydrogel materials with each pixel containing three-channel information for printing of distinct images in one location.

    • Mingchao Zhang
    • , Yohan Lee
    •  & Metin Sitti

  • Article
    | Open Access

    Contact electrification triggers gas breakdown. Using Coulomb force to estimate voltage, this work provides experimental evidence for the Paschen curves that govern such discharge.

    • Hongcheng Tao
    •  & James Gibert

  • Article
    | Open Access

    Layered thio- and seleno-phosphate ferroelectrics show promise for next-generation memory but have thermal stability issues. Using the electric field-driven phase transition in antiferroelectric CuCrP2S6, the authors introduce a robust memristor, emphasizing the potential of van der Waals antiferroelectrics in advanced neuromorphic computing.

    • Yinchang Ma
    • , Yuan Yan
    •  & Xixiang Zhang

  • Article
    | Open Access

    Few studies have investigated the structural properties of organic mixed ionic-electronic conductors in relation to the transient device characteristics. Here, Kim et al. show that backbone-dependent molecular orientation affects ion injection directionality, which determines ion mobility and transient response.

    • Ji Hwan Kim
    • , Roman Halaksa
    •  & Myung-Han Yoon

  • Article
    | Open Access

    “The combination of stimuli responsive nanomaterials and 3D printing leads interesting applications in the fields of soft robots and actuators. Here, the authors present a 3D printing approach for the fabrication of liquid metal nanoparticles-polymer composites acting as light controlled soft robots which can lift weights, grasp and release items”.

    • Liwen Zhang
    • , Xumin Huang
    •  & Ruirui Qiao

  • Article
    | Open Access

    A combination of functional nanoparticles and liquid streaming can be used to generate structures for the fabrication of soft functional materials. In this study, authors demonstrate the creation of Janus-structured liquids with anisotropic and programmable distributions of nanoparticles by utilizing interfacial assembly and jamming of nanoparticles at the liquid-liquid interface.

    • Ahmadreza Ghaffarkhah
    • , Seyyed Alireza Hashemi
    •  & Mohammad Arjmand

  • Article
    | Open Access

    Transfer printing of inorganic semiconductors is essential for high-performance flexible electronics. Here, Park et al. report the micro-vacuum assisted selective transfer to integrate inorganic thin-film semiconductors on unusual substrates.

    • Sang Hyun Park
    • , Tae Jin Kim
    •  & Keon Jae Lee

  • Article
    | Open Access

    “The interface mismatch of soft substrates and rigid silicon-based microelectronics frequently causes failures of integrated circuits. Here, the authors develop a stretchable solder based on liquid metal-polymer composites which enables seamless integration of electronic components with soft substrates, showcasing high conductivity and stretchability”.

    • Liqing Ai
    • , Weikang Lin
    •  & Xi Yao

  • Article
    | Open Access

    Designing high performance organic neuromorphic devices remains a challenge. Here, Liu et al. report the development of an organic synapse based on a semicrystalline polymer PBFCL10 with device dimension of 50 nm and integration size of 1 Kb and a mixed‐signal neuromorphic hardware system based on the organic neuromatrix and FPGA controller for decision‐making tasks.

    • Shuzhi Liu
    • , Jianmin Zeng
    •  & Gang Liu

  • Article
    | Open Access

    Underwater soft robots made of stimuli-responsive shape-changing hydrogels generally present low actuation speed which is limited by the water diffusion between hydrogels and their surrounding environment. Here, the authors develop dynamic hydrogel robots with a fast and switchable actuation based on a thermally driven chain conformation change after mechanical programming.

    • Chujun Ni
    • , Di Chen
    •  & Qian Zhao

  • Article
    | Open Access

    Body area networks represent a wearable technology suitable for applications like virtual reality and health monitoring. Here, the study presents a wireless battery-free channel that works reliably in harsh environments, including underwater. It utilizes stretchable magneto-inductive metamaterials to enable uninterrupted communication.

    • Amirhossein Hajiaghajani
    • , Patrick Rwei
    •  & Peter Tseng

  • Article
    | Open Access

    Designing robust blue organic light-emitting diodes is a long-standing challenge in the display industry. Here, the authors show that electron-induced degradation reactions play a more critical role in the short lifetime of devices with iridium-based emitters under real operational conditions.

    • Jaewook Kim
    • , Joonghyuk Kim
    •  & Woo Youn Kim

  • Article
    | Open Access

    Electrostrictors are materials that develop mechanical strain proportional to the square of the applied electric field. Here authors report. Zr-doped-Ceria as a new lead-free electrostrictive material with a similar electrostriction coefficient to the best electrostrictor material currently in use.

    • Maxim Varenik
    • , Boyuan Xu
    •  & Igor Lubomirsky

  • Article
    | Open Access

    Artificial sensory systems are typically limited by their performance and response to static and dynamic stimuli. Here, Bai et al. propose an iontronic slip-sensor, which responds to both static pressure and high-frequency vibrations up to 400 Hz, achieving high spatiotemporal resolution for texture recognition.

    • Ningning Bai
    • , Yiheng Xue
    •  & Chuan Fei Guo

  • Article
    | Open Access

    CuCrP2S6 is a potential candidate for realizing low-dimensional multiferroicity. Here, authors report direct observation of robust out-of-plane ferroelectricity in the two-dimensional van der Waals layered CuCrP2S6 at room temperature down to 2.6 nm and study its origin from an atomic perspective. (299 in total)

    • Weng Fu Io
    • , Sin -Yi Pang
    •  & Jianhua Hao

  • Article
    | Open Access

    Oxygen is the most limiting factor in cell transplantation. Here, the authors present an on-site oxygen production platform for implantable cell therapeutics via electrocatalytic water electrolysis, demonstrating the maintenance of high cell loading in hypoxic incubation and a rat model.

    • Inkyu Lee
    • , Abhijith Surendran
    •  & Tzahi Cohen-Karni

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