Electrical and electronic engineering articles within Nature Materials

Featured

  • News & Views |

    Integrating electrochemically actuated soft robotics with ultra-flexible microelectrodes enables reversible and gentle wrapping around nerves for high-quality recordings.

    • Klas Tybrandt

  • News & Views |

    The slow turn-on speed in accumulation-mode organic electrochemical transistors is explained by asymmetric ion transport in switching kinetics.

    • Hang Yu
    •  & Jenny Nelson

  • Article |

    The turn-off time is generally faster than the turn-on time in accumulation mode organic electrochemical transistors (OECTs), but the mechanism is less understood. Here the authors find different transient behaviours of turn-on and turn-off in accumulation mode OECTs, and ion transport is the limiting factor of device kinetics.

    • Jiajie Guo
    • , Shinya E. Chen
    •  & David S. Ginger

  • Perspective |

    Molecular materials for computing progress intensively but the performance and reliability still lag behind. Here the authors assess the current state of computing with molecular-based materials and describe two issues as the basis of a new computing technology: continued exploration of molecular electronic properties and process development for on-chip integration.

    • R. Stanley Williams
    • , Sreebrata Goswami
    •  & Sreetosh Goswami

  • News & Views |

    Early detection of electrical degradation can be identified by colour change due to the chromogenic response of blended molecules in dielectric polymers.

    • Gregory A. Sotzing
    •  & Pritish S. Aklujkar

  • Article |

    Early detection of electrical degradation in dielectric polymers is crucial but remains challenging. A general strategy of blending the polymer with chromogenic molecules is reported, which generates a visually discernible colour change as chemically activated by oxygen radicals generated in situ, indicating the early stage of electrical degradation in polymers.

    • Xiaoyan Huang
    • , Shuai Zhang
    •  & Jinliang He

  • Research Briefing |

    A traditional physical-reservoir device has limited flexibility and cannot perform well across a range of computing tasks, owing to the fixed reservoir properties of the physical system. However, by exploiting the rich magnetic phase spaces of a single chiral magnet, reservoir properties can be reconfigured. This control enables on-demand optimization of computational performance across diverse machine-learning tasks.

  • News & Views |

    An artificial neuron architecture based on antiambipolar organic electrochemical transistors shows responses to biological ions and neurotransmitters akin to real neurons with comparable speed. The soft and more biocompatible nature of organic semiconductors could enable applications in brain–machine interfaces and in vivo sensing.

    • Shinya E. Chen
    • , Rajiv Giridharagopal
    •  & David S. Ginger

  • Review Article |

    This Review discusses the field of antiferromagnetic spintronics with a focus on coherent effects.

    • Jiahao Han
    • , Ran Cheng
    •  & Shunsuke Fukami

  • Article
    | Open Access

    Silicon-based complementary metal-oxide semiconductors or negative differential resistance device circuits can emulate neural features, yet are complicated to fabricate and not biocompatible. Here, the authors report an ion-modulated antiambipolarity in mixed ion–electron conducting polymers demonstrating capability of sensing, spiking, emulating the most critical biological neural features, and stimulating biological nerves in vivo.

    • Padinhare Cholakkal Harikesh
    • , Chi-Yuan Yang
    •  & Simone Fabiano

  • Article |

    Electrostatic capacitors can enable ultrafast energy storage and release, but advances in energy density and efficiency need to be made. Here, by doping equimolar Zr, Hf and Sn into Bi4Ti3O12 thin films, a high-entropy stabilized Bi2Ti2O7 pyrochlore phase forms with an energy density of 182 J cm−3 and 78% efficiency.

    • Bingbing Yang
    • , Yang Zhang
    •  & Yuan-Hua Lin

  • News & Views |

    A seemingly disordered network of nanowires governed by thermodynamics is used as the physical ‘reservoir’ in a memristive implementation of reservoir computing to process spatiotemporal information.

    • Qiangfei Xia
    • , J. Joshua Yang
    •  & Rivu Midya

  • Why it Matters |

    Gabriele Rainò, Lukas Novotny and Martin Frimmer discuss the approach they are pursuing at ETH Zürich to provide students with an education in quantum engineering.

    • Gabriele Rainò
    • , Lukas Novotny
    •  & Martin Frimmer

  • News & Views |

    The integration of silicon-based waveguides with barium titanate thin films enables the realization of efficient electro-optic switches and modulators operating at cryogenic temperatures, offering promising opportunities for quantum technologies.

    • Goran Z. Mashanovich

  • News & Views |

    A transparent, high-permittivity elastomeric dielectric material shows potential for light-emitting soft robots and stretchable optoelectronics that can self-heal.

    • Jonathan Rossiter

  • Comment |

    Electronic and photonic devices based on graphene have unique properties, leading to outstanding performance figures of merit. Mastering the integration of this unconventional material into an established semiconductor fabrication line represents a critical step towards commercialization.

    • Daniel Neumaier
    • , Stephan Pindl
    •  & Max C. Lemme

  • Review Article |

    Memristive devices show great potential as artificial synapses and neurons, yet brain-inspired computing can be realized only by integrating a large number of these devices into reliable arrays. This Review discusses the challenges in the integration and use in computation of large-scale memristive neural networks.

    • Qiangfei Xia
    •  & J. Joshua Yang

  • News & Views |

    Researchers have developed a graphene plasmonics detector that is suitable for fast-response and high-resolution detection of infrared photons at room temperature.

    • Zhe Fei

  • News & Views |

    In the past decade, artificial materials with unusual wave interactions have significantly evolved and matured. In honour of the tenth anniversary of the premiere metamaterials conference, we look at the directions in which this field is evolving, and its impact on technology.

    • Andrea Alù

  • Commentary |

    Tactile sensors provide robots with the ability to interact with humans and the environment with great accuracy, yet technical challenges remain for electronic-skin systems to reach human-level performance.

    • Chiara Bartolozzi
    • , Lorenzo Natale
    •  & Giorgio Metta

  • Review Article |

    Optical transparency, tunable conducting properties and easy processability make metal oxides key materials for advanced optoelectronic devices. This Review discusses recent advances in the synthesis of these materials and their use in applications.

    • Xinge Yu
    • , Tobin J. Marks
    •  & Antonio Facchetti

  • Article |

    Electronic many-body effects are used to control the electron effective mass, and thus the plasma energy and electrical conductivity, of thin films of the correlated metals SrVO3 and CaVO3, making them good candidates as transparent conductors.

    • Lei Zhang
    • , Yuanjun Zhou
    •  & Roman Engel-Herbert

  • News & Views |

    Although heat removal in electronics at room temperature is typically governed by a hierarchy of conduction and convection phenomena, heat dissipation in cryogenic electronics can face a fundamental limit analogous to that of black-body emission of electromagnetic radiation.

    • Jungwan Cho
    •  & Kenneth E. Goodson

  • News & Views |

    The experimental detection of negative capacitance in ferroelectrics rekindles hopes that the phenomenon could be used to further push the miniaturization of conventional transistors.

    • Gustau Catalan
    • , David Jiménez
    •  & Alexei Gruverman

  • Letter |

    Direct measurement of negative capacitance is now reported in a ferroelectric capacitor based on a thin, epitaxial ferroelectric PZT film.

    • Asif Islam Khan
    • , Korok Chatterjee
    •  & Sayeef Salahuddin

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