Materials for devices articles within Nature

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  • Article |

    We develop an optical method that can set and read the state of electrons in the valley polarization of bulk transition metal dichalcogenide semiconductors, with potential utility as digital storage at quantum coherent timescales and application in quantum computing.

    • Igor Tyulnev
    • , Álvaro Jiménez-Galán
    •  & Jens Biegert

  • Article |

    Examining the in-plane spin components of the noncoplanar antiferromagnet manganese ditelluride provides spectroscopic and computational evidence of materials with a new type of plaid-like spin splitting in the antiferromagnetic ground state.

    • Yu-Peng Zhu
    • , Xiaobing Chen
    •  & Chang Liu

  • Article
    | Open Access

    A mechanical design is developed for the fabrication of ultralong, fracture-free and perturbation-free semiconductor fibres to address the increasing demand for flexible and wearable optoelectronics.

    • Zhixun Wang
    • , Zhe Wang
    •  & Lei Wei

  • Article |

    Monolithic three-dimensional integration of two-dimensional field-effect transistors enables improved integration density and multifunctionality to realize ‘More Moore’ and ‘More than Moore’ technologies.

    • Darsith Jayachandran
    • , Rahul Pendurthi
    •  & Saptarshi Das

  • Article |

    Water-responsive supercontractile polymer films composed of poly(ethylene oxide) and poly(ethylene glycol)-α-cyclodextrin inclusion complex contract by more than 50% of their original length within seconds after wetting and become soft and stretchable hydrogel thin films that can be used in bioelectronic interfaces.

    • Junqi Yi
    • , Guijin Zou
    •  & Xiaodong Chen

  • Article |

    A miniaturized narrow-channel in-plane electrochemical capacitor shows drastically reduced ionic resistances within both the electrode material and the electrolyte and an ultrahigh areal capacitance by downscaling the channel width with femtosecond-laser scribing.

    • Yajie Hu
    • , Mingmao Wu
    •  & Liangti Qu

  • Article |

    An injectable hydrogel for use as a scaffold to aid tissue repair is described, the material of which is conductive so that it can be used both for electrophysiological measurement and electrostimulation in closed-loop robot-assisted rehabilitation.

    • Subin Jin
    • , Heewon Choi
    •  & Mikyung Shin

  • Article
    | Open Access

    Flow limitation is exploited to develop a microfluidic device exhibiting flow–pressure behaviour analogous to the current–voltage characteristics of an electronic transistor.

    • Kaustav A. Gopinathan
    • , Avanish Mishra
    •  & Mehmet Toner

  • Article |

    Proton-coupled electron-transfer reactions are used to achieve efficient chemical doping of organic semiconductor thin films under ambient conditions, and a reference-electrode-free, resistive pH sensor based on the method is proposed.

    • Masaki Ishii
    • , Yu Yamashita
    •  & Jun Takeya

  • Article |

    A MicroLED lighting panel, assembled in 60 s by a surface-tension-driven fluidic self-assembly technique, gave a yield as high as 99.90% through the addition of a small amount of poloxamer to the assembly solution.

    • Daewon Lee
    • , Seongkyu Cho
    •  & Sunghoon Kwon

  • Article |

    We report a simple method to fabricate chiroptical flexible layers via supramolecular helical ordering of conjugated polymer chains, providing direct, scalable realization of on-chip detection of the spin degree of freedom of photons.

    • Inho Song
    • , Jaeyong Ahn
    •  & Joon Hak Oh

  • Article |

    Suppression of shallow traps responsible for dark count rates in polycrystalline methylammonium lead triiodide using diphenyl sulfide enables the production of metal-halide perovskite photon-counting detectors that allow sensitive detection of γ-ray spectra.

    • Ying Zhou
    • , Chengbin Fei
    •  & Jinsong Huang

  • Article |

    Chips with 256 × 256 memristor arrays that were monolithically integrated on complementary metal–oxide–semiconductor (CMOS) circuits in a commercial foundry achieved 2,048 conductance levels in individual memristors.

    • Mingyi Rao
    • , Hao Tang
    •  & J. Joshua Yang

  • Article |

    Perovskite LEDs with exceptional performance at high brightness are demonstrated achieving an operational half-lifetime of 32 hours, an important step towards commercialization opening up new opportunities beyond conventional LED technologies, such as perovskite electrically pumped lasers.

    • Yuqi Sun
    • , Lishuang Ge
    •  & Neil C. Greenham

  • Article
    | Open Access

    A virtual process game to benchmark the performance of humans and computers for the fabrication of semiconductors leads to a strategy combining human expert design with optimization algorithms to improve semiconductor process development.

    • Keren J. Kanarik
    • , Wojciech T. Osowiecki
    •  & Richard A. Gottscho

  • Article |

    A class of dielectric copolymers called ladderphanes is shown to outperform existing dielectric polymers and composites, with high discharged energy density and charge–discharge efficiency even at temperatures up to 200 °C.

    • Jie Chen
    • , Yao Zhou
    •  & Qing Wang

  • Article |

    A universal interface connects soft, rigid and encapsulation modules together to form robust, stretchable devices in a plug-and-play manner by pressing without using pastes, which will simplify and accelerate development of on-skin and implantable devices.

    • Ying Jiang
    • , Shaobo Ji
    •  & Xiaodong Chen

  • Article |

    A study describes a wood-based, three-tailed, biodegradable seed carrier that self-drills into the ground in response to moisture fluctuations with a success rate higher than that of natural self-drilling seeds.

    • Danli Luo
    • , Aditi Maheshwari
    •  & Lining Yao

  • Article |

    We report full-colour, vertically stacked µLEDs that achieve exceptionally high array density (5,100 pixels per inch) and small size (4 µm) via a 2D material-based layer transfer technique, allowing the creation of full-colour µLED displays for augmented and virtual reality.

    • Jiho Shin
    • , Hyunseok Kim
    •  & Jeehwan Kim

  • Article
    | Open Access

    Innovations in device design, material fabrication and deep learning are described, leading to a wearable ultrasound transducer capable of dynamic cardiac imaging in various environments and under different conditions.

    • Hongjie Hu
    • , Hao Huang
    •  & Sheng Xu

  • Article
    | Open Access

    The authors report observation of tunnelling magnetoresistance in an all-antiferromagnetic tunnel junction consisting of Mn3Sn/MgO/Mn3Sn, laying the foundation for the development of ultrafast and efficient spintronic devices using antiferromagnets.

    • Xianzhe Chen
    • , Tomoya Higo
    •  & Satoru Nakatsuji

  • Article |

    The direct observation of in-plane charged domain walls in BiFeO3 ferroelectric films a few nanometres thick, their deterministic creation, manipulation and annihilation by applied voltage, as well the demonstration of their memristive functionality is reported.

    • Zhongran Liu
    • , Han Wang
    •  & He Tian

  • Article |

    A new exchange-bias effect between two different antiferromagnetic layers enables the fabrication of all-antiferromagnetic structures that have a large room-temperature tunnelling magnetoresistance and potential applications for ultrafast memory technologies.

    • Peixin Qin
    • , Han Yan
    •  & Zhiqi Liu

  • Article
    | Open Access

    Vertical organic electrochemical transistors demonstrating unprecedented performances in both p- and n-type operation modes have been synthesized from new electro-active and ion-permeable semiconducting polymers by the interface engineering of electro-active blend layers.

    • Wei Huang
    • , Jianhua Chen
    •  & Antonio Facchetti

  • Article |

    Ultrasmall monodisperse perovskite quantum dots are synthesized in situ on a substrate via ligand structure regulation, yielding the highest external quantum efficiency blue perovskite LEDs reported so far.

    • Yuanzhi Jiang
    • , Changjiu Sun
    •  & Mingjian Yuan

  • Article
    | Open Access

    A macroscopic and scalable pyroelectric energy harvester in the form of multilayer capacitors produces 11.2 J of electrical energy, with a pyroelectric material generating up to 4.43 J cm−3 per cycle.

    • Pierre Lheritier
    • , Alvar Torelló
    •  & Emmanuel Defay

  • Article |

    A reaction is described combining oxidative polymerization and in situ reductive n-doping to yield poly(benzodifurandione), a facilely synthesized stable n-type conducting polymer with ultrahigh conductivity, with applications in organic electronics.

    • Haoran Tang
    • , Yuanying Liang
    •  & Fei Huang

  • Article |

    The PiezoMem membrane responsive to hydraulic pressure is introduced, showing the ability to convert pressure pulses into electroactive responses for in situ self-cleaning and enabling broad-spectrum antifouling action towards a range of membrane foulants.

    • Yang Zhao
    • , Yuna Gu
    •  & Guandao Gao

  • Article |

    Using a sol–gel passivation method, the fabrication of blue InGaN nanorod-LEDs with the highest external quantum efficiency value ever reported for LEDs in the nanoscale is demonstrated.

    • Mihyang Sheen
    • , Yunhyuk Ko
    •  & Changhee Lee

  • Article |

    Clean van der Waals contacts of high-work-function metals have been demonstrated on few- and single-layered MoS2 and WSe2, leading to p-type characteristics on single-layer MoS2 and purely p-type characteristics on WSe2.

    • Yan Wang
    • , Jong Chan Kim
    •  & Manish Chhowalla

  • Article |

    Vortices in an electron fluid are directly observed in a para-hydrodynamic regime in which the spatial diffusion of electron momenta is enabled by small-angle scattering rather than electron–electron scattering.

    • A. Aharon-Steinberg
    • , T. Völkl
    •  & E. Zeldov

  • Article |

    By intercalating layered 2D atomic crystals with selected chiral molecules, a new class of chiral molecular intercalation superlattices is reported, demonstrating highly ordered structures and achieving high tunnelling magnetoresistance and spin polarization ratios.

    • Qi Qian
    • , Huaying Ren
    •  & Xiangfeng Duan

  • Article
    | Open Access

    An organic bipolar junction transistor composed of highly crystalline rubrene thin films has a device architecture that could be used in organic electronics with greatly improved high-frequency performance

    • Shu-Jen Wang
    • , Michael Sawatzki
    •  & Karl Leo

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