03 June 2024 | Open Access Molecular ferroelectric with low-magnetic-field magnetoelectricity at room temperature The authors report a molecular ferroelectric (TMCM)[FeCl4], which shows strong magnetostrictive and magnetoelectric effects at room temperature. The spin-lattice coupling of FeCl4 and flexible structure of organic cations are responsible for these effects. Zhao-Bo Hu, Xinyu Yang & You Song Article 03 June 2024 | Open Access ChatMOF: an artificial intelligence system for predicting and generating metal-organic frameworks using large language models LLMs can be augmented with tools to increase their capabilities. Here, authors have developed an artificial intelligence system called ChatMOF combining LLMs and specialised libraries and utilities to predict and generate metal-organic frameworks. Yeonghun Kang & Jihan Kim Article 03 June 2024 | Open Access Recovery of europium from E-waste using redox active tetrathiotungstate ligands Rare-earth elements (REEs) are vital to the modern economy, yet their mining poses both geopolitical and environmental challenges. Here, authors present a highly selective method for the recovery of europium from spent fluorescent lamps using redox active tetrathiotungstate ligands. Marie A. Perrin, Paul Dutheil & Victor Mougel Article 03 June 2024 | Open Access Cooperative growth in microbial communities is a driver of multistability This study explores alternative stable states in microbial communities. Focusing on a respiratory tract community of 6 species, the authors identified four distinct stable states that are predicted to be driven by cooperative growth. The findings contrast with the common association between competitive interactions and multistability in microbial communities. William Lopes, Daniel R. Amor & Jeff Gore Comment 01 June 2024 | Open Access Harmonizing vaccine and infrastructure development to tame cholera outbreaks across Africa Vaccines and clean water shortages continue to give rise to cholera outbreaks in Africa. Coordinated efforts to increase vaccine distribution and improve physical infrastructure are needed while considering future outbreaks and water demands due to conflicts and climate events. Amira Mohamed Taha, Hussam Mahmoud & Mohamed M. Ghonaim Article 01 June 2024 | Open Access A dual spin-controlled chiral two-/three-dimensional perovskite artificial leaf for efficient overall photoelectrochemical water splitting Enhancing the efficiency of solar-driven water splitting is challenging but highly interesting. Here the authors report a dual spin-controlled 2D/3D perovskite photoelectrode that achieves 12.55% efficiency by utilizing the chiral-induced spin selectivity phenomenon. Hyungsoo Lee, Chan Uk Lee & Jooho Moon Article 01 June 2024 | Open Access Machine intelligence accelerated design of conductive MXene aerogels with programmable properties Machine learning-assisted robots produce MXene aerogels containing cellulose, gelatin, and glutaraldehyde, fabricating 162 compositions. Inverse design from resulting properties affords tailored compression-stable materials for Joule heating. Snehi Shrestha, Kieran James Barvenik & Po-Yen Chen Article 01 June 2024 | Open Access Redox dynamics and surface structures of an active palladium catalyst during methane oxidation Palladium-based catalysts are highly effective for the complete oxidation of methane. Here, the authors employ operando transmission electron microscopy, near-ambient pressure X-ray photoelectron spectroscopy, and density functional theory calculations to investigate the active state and catalytic function of Pd nanoparticles in methane oxidation. Shengnan Yue, C. S. Praveen & Xing Huang Article 01 June 2024 | Open Access Efficient intersystem crossing and tunable ultralong organic room-temperature phosphorescence via doping polyvinylpyrrolidone with polyaromatic hydrocarbons Room temperature phosphorescent polymers have potential in a range of applications, but achieving the desired properties can be challenging. Here, the authors report the development of such polymer materials by doping with polyaromatic hydrocarbons. Guangxin Yang, Subin Hao & Li Dang Article 01 June 2024 | Open Access Concentrated solar CO2 reduction in H2O vapour with >1% energy conversion efficiency This work reports a single-atom Ni incorporated CeO2 catalyst that boosts the efficiency of solar CO2 reduction under concentrated light irradiation. Yuqi Ren, Yiwei Fu & Maochang Liu Article 01 June 2024 | Open Access NIR-II emissive anionic copper nanoclusters with intrinsic photoredox activity in single-electron transfer Copper nanoclusters have so far been limited in the types of organic transformations they can catalyze. Here the authors introduce a new NIR-II emissive anionic copper nanocluster with intrinsic photoredox activity, enabling efficient photocatalytic three-component radical couplings. Li-Juan Liu, Mao-Mao Zhang & Jian He Article 01 June 2024 | Open Access Insight into selectivity of photocatalytic methane oxidation to formaldehyde on tungsten trioxide Tungsten trioxide (WO3) is considered the most promising photocatalyst for the highly selective oxidation of methane to formaldehyde, though the origins of its catalytic activity and reaction mechanism are still debated. Here, the authors use WO3 with {001} and {110} facets as model photocatalysts, demonstrating that the photocatalytic oxidation of methane to formaldehyde in WO3 depends on the surface structure, leading to different formaldehyde selectivity. Yingying Fan, Yuheng Jiang & Zhiyong Tang Article 01 June 2024 | Open Access Photochemically responsive polymer films enable tunable gliding flights Miniature passive fliers are of interest, but there are challenges in controlling their motion. Here, the authors report the use of light-responsive thin films for optical control of the gliding of passive fliers. Jianfeng Yang, M. Ravi Shankar & Hao Zeng Article 01 June 2024 | Open Access A 3D ray traced biological neural network learning model Transfer learning has shown an advantageous performance in various tasks, however pretraining of the model with new dataset remains computationally expensive. The authors propose a biologically inspired three-dimensional neural network model for transfer learning, with improved training speed and accuracy. Brosnan Yuen, Xiaodai Dong & Tao Lu Article 01 June 2024 | Open Access Revealing the structural evolution of CuAg composites during electrochemical carbon monoxide reduction Revealing catalyst structural evolution during catalysis is critical. Here, authors reveal that a Cu-Ag oxide precursor undergoes a transformation during CO electroreduction to a composite consisting of Ag nanoparticles enveloped by thin layers of amorphous Cu, which is likely the real active phase. Di Wang, Hyun Dong Jung & Lei Wang Article 01 June 2024 | Open Access Development and deployment of a histopathology-based deep learning algorithm for patient prescreening in a clinical trial Here, the authors develop a deep-learning algorithm to predict biomarkers from histopathological imaging in advanced urothelial cancer patients. This method detects suitable patients for targeted therapy clinical trials with a significant reduction in molecular testing, providing cost and time savings in real-world clinical settings. Albert Juan Ramon, Chaitanya Parmar & Kristopher A. Standish Article 31 May 2024 | Open Access Why •CF2H is nucleophilic but •CF3 is electrophilic in reactions with heterocycles Empirically observed regiochemistries indicate that the CF2H radical has a nucleophilic character similar to alkyl radicals, but the CF3 radical is electrophilic in reactions with heterocycles. Here, the authors report DFT calculations, reproducing experimental selectivities and leading to an explanation of this difference. Meng Duan, Qianzhen Shao & K. N. Houk Article 31 May 2024 | Open Access Multiple photofluorochromic luminogens via catalyst-free alkene oxidative cleavage photoreaction for dynamic 4D codes encryption Photochromic systems with high contrast and multiple colours are useful for responsive materials, but it is challenging to achieve multiple colours with one molecule. Here, the authors report a photochromic system controlled by oxidative cleavage on light irradiation. Lin Lu, Bo Wu & Ben Zhong Tang Article 31 May 2024 | Open Access Atomically dispersed MoNi alloy catalyst for partial oxidation of methane The catalytic partial oxidation of methane (POM) is a promising technology for synthesizing syngas but suffers from severe over-oxidation on the catalyst surface. Here the authors demonstrate that regulating O* occupation in an atomically dispersed MoNi alloy can achieve high catalytic performance for POM. Zheyuan Ding, Sai Chen & Jinlong Gong Article 31 May 2024 | Open Access Photocatalytic toluene oxidation with nickel-mediated cascaded active units over Ni/Bi2WO6 monolayers By introducing Ni dopants into monolayer Bi2WO6, Bi/O frustrated Lewis pairs, unsaturated W atoms, and Ni active units are formed. The authors show that these units facilitate oxygen species transfer and enhance photocatalytic toluene oxidation. Yingzhang Shi, Peng Li & Xianzhi Fu Article 31 May 2024 | Open Access High-performance near-infrared OLEDs maximized at 925 nm and 1022 nm through interfacial energy transfer The low photoluminescence quantum yield of near-infrared (NIR) emitters has limited their application in organic light-emitting diodes (OLEDs). Here, authors realize NIR OLEDs through interfacial energy transfer from platinum(II) complexes to a non-fullerene acceptor based on a sandwiched structure. Chieh-Ming Hung, Sheng-Fu Wang & Pi-Tai Chou Article 31 May 2024 | Open Access Large out-of-plane spin–orbit torque in topological Weyl semimetal TaIrTe4 Topological semimetals offer the potential for new-generation spintronic devices. Here, the authors demonstrate a large out-of-plane damping-like spin–orbit torque efficiency in a heterostructure based on the Weyl semimetal TaIrTe4. Lakhan Bainsla, Bing Zhao & Saroj P. Dash Article 31 May 2024 | Open Access True random number generation using the spin crossover in LaCoO3 Probabilistic computing demands low power and high quality random number generation. Woo et al. demonstrate the use of a spin crossover in LaCoO3 to generate random numbers that outperform software-generated random numbers in probabilistic computing. Kyung Seok Woo, Alan Zhang & Suhas Kumar Article 31 May 2024 | Open Access Memristor-based adaptive neuromorphic perception in unstructured environments Perception methods that enable control systems to understand and adapt to unstructured environments are desired. Wang et. al. develop a memristor-based differential neuromorphic computing, perceptual signal processing, and online adaptation method providing neuromorphic style adaptation to external sensory stimuli. Shengbo Wang, Shuo Gao & Luigi Giuseppe Occhipinti Article 31 May 2024 | Open Access Broadband near-infrared emission in silicon waveguides On-chip optical sensing and metrology systems are rapidly progressing, but CMOS-compatible silicon light sources remain a challenge. This work demonstrates a broadband, foundry integrated silicon waveguide emitter and the theory that describes it. Marcel W. Pruessner, Nathan F. Tyndall & Todd H. Stievater Article 31 May 2024 | Open Access Inward motion of diamond nanoparticles inside an iron crystal It has long been believed that diffusion as individual atoms is the primary way for carbon to enter Fe crystals from outside. Here, the authors report an unusual mass transport way in solids, through which diamond nanoparticles can enter Fe spontaneously and translate inward for a long distance. Yuecun Wang, Xudong Wang & Zhiwei Shan Article 31 May 2024 | Open Access A parametrically programmable delay line for microwave photons Delay lines for quantum information are key for quantum networking and hardware efficient quantum computers. Here, the authors present a virtual delay line for microwave pulses where data is stored in the excitations of a collection of resonators, demonstrating translation and swapping of data pulses. Takuma Makihara, Nathan Lee & Amir Safavi-Naeini Article 31 May 2024 | Open Access A zinc oxide resonant nano-accelerometer with ultra-high sensitivity The authors report a zinc oxide resonant nano-accelerometer with sensitivity up to 16.818 kHz/g, which is attributed to the nano-resonators using zinc oxide nanowires and the optimized microleverages and push-pull structures. Pengfei Xu, Dazhi Wang & Yan Cui Article 31 May 2024 | Open Access Circular single-stranded DNA as a programmable vector for gene regulation in cell-free protein expression systems Protein expression vectors in cell-free systems mainly rely on double-stranded DNA and single-stranded RNA. Here, authors use circular single-stranded DNA as a programmable vector for gene regulation in a cell-free expression system by identifying its expression pathways. Zhijin Tian, Dandan Shao & Jie Song Article 31 May 2024 | Open Access In-situ observation of silk nanofibril assembly via graphene plasmonic infrared sensor Here, the authors develop a graphene plasmonic infrared sensor to probe the secondary structure of nanoscale assembly intermediates and the morphological evolution of silk nanofibrils, the fundamental building blocks of silk fibres. Chenchen Wu, Yu Duan & Qing Dai Matters Arising 30 May 2024 | Open Access Structure of equations for gravity mass flows with entrainment Dieter Issler, Peter Gauer & Hervé Vicari Article 30 May 2024 | Open Access X-ray radiation damage cycle of solvated inorganic ions A radiation damage cycle in X-ray-ionized solvated Mg ions is reported by the authors leading to production of water radicals and low-energy electrons. The Mg ion ends in its initial state quickly and can restart the cycle, multiplying the local damage. Dana Bloß, Florian Trinter & Andreas Hans Article 30 May 2024 | Open Access Atroposelective synthesis of biaxial bridged eight-membered terphenyls via a Co/SPDO-catalyzed aerobic oxidative coupling/desymmetrization of phenols Biaryl compounds with an axial chirality are valuable architectures but few methods have been developed for the construction of bridged biaryls, a subclass of these compounds that bear a tether to connect the two arenes and form a medium-sized ring. Here, the authors design a Co/SPDO-catalyzed aerobic oxidative coupling/desymmetrization sequence of prochiral phenols for the enantioselective synthesis of biaxial bridged m-terphenyls embedded in an azocane. Shuang-Hu Wang, Shi-Qiang Wei & Tong-Mei Ding Article 30 May 2024 | Open Access Discovering two general characteristic times of transient responses in solid oxide cells A comprehensive understanding of the transient characteristics in solid oxide cells is crucial when integrated with intermittent renewable energy. Here, authors reveal expressions for two general characteristic times quantifying transient phenomena due to heat and mass transfer lags in SOCs. Zhaojian Liang, Jingyi Wang & Mengying Li Article 30 May 2024 | Open Access CO electrolysis to multicarbon products over grain boundary-rich Cu nanoparticles in membrane electrode assembly electrolyzers Producing valuable chemicals like ethylene via catalytic CO conversion is an important nonpetroleum route. Here, authors demonstrate high-rate electrosynthesis of multicarbon chemicals via CO electrolysis, with a multicarbon product partial current density of 4.35 A cm−2 at a cell voltage of 2.78 V. Hefei Li, Pengfei Wei & Xinhe Bao Article 30 May 2024 | Open Access Photoinduced dynamics during electronic transfer from narrow to wide bandgap layers in one-dimensional heterostructured materials One-dimensional van der Waals heterostructures can realize atomically thin transistor junctions. Here, the authors study electron transfer in such layered structures using ultrafast diffraction and spectroscopy as well as theoretical simulations. Yuri Saida, Thomas Gauthier & Masaki Hada Article 30 May 2024 | Open Access The quantum geometric origin of capacitance in insulators The authors reveal a link between the quantum metric and the dielectric constant of insulators, determining the geometric capacitance of insulators and revealing the intrinsic delocalization of electrons in the lattice. Ilia Komissarov, Tobias Holder & Raquel Queiroz Article 30 May 2024 | Open Access The observation of π-shifts in the Little-Parks effect in 4Hb-TaS2 The authors report the measurement of the Little-Parks effect in the unconventional superconductor candidate 4Hb-TaS2. They find a π-shift in the transition-temperature oscillations and an ehancement of Tc as a function of the out-of-plane field when a constant in-plane field is applied, consistent with a multi-component order parameter. Avior Almoalem, Irena Feldman & Amit Kanigel Article 30 May 2024 | Open Access Elastic strain-induced amorphization in high-entropy alloys Lattice stability related to the structural response is the basis for understanding mechanical and physical behavior of crystalline solids. Here, the authors show a manifestation of elastic instability in high-entropy alloys via elastic strain induced amorphization. Yeqiang Bu, Yuan Wu & Wei Yang Article 30 May 2024 | Open Access Reliable wafer-scale integration of two-dimensional materials and metal electrodes with van der Waals contacts 2D semiconductors may offer a platform for future electronics, but the wafer-scale fabrication of high-performance 2D transistors remains challenging. Here, the authors report a universal all-stacking method to fabricate wafer-scale 2D electronic devices with van der Waals contacts, based on epitaxial metallic electrodes grown on fluorophlogopite mica. Xiaodong Zhang, Chenxi Huang & Hualing Zeng Article 30 May 2024 | Open Access Observation of the photonic Hall effect and photonic magnetoresistance in random lasers This work reveals the presence of the photonic Hall effect and photonic magnetoresistance in a field-dependent random laser. This observation visualizes the influence of magnetic field on random lasers scattering at the microscopic level. Wenyu Du, Lei Hu & Zhijia Hu Review Article 30 May 2024 | Open Access Robotic wireless capsule endoscopy: recent advances and upcoming technologies future requirements for intelligent wireless capsule endoscopy, providing a comparative evaluation of various methods’ merits and disadvantages, and highlighting recent developments in six technologies. Qing Cao, Runyi Deng & Dong Han Article 30 May 2024 | Open Access High-speed optical imaging with sCMOS pixel reassignment The authors introduce a highspeed acquisition technique, sHAPR, for rapid exploration of biodynamics using fluorescence microscopy. The method leverages sCMOS cameras and custom fibre optics to convert microscopy images into 1D recordings, enabling acquisition at the maximum camera readout rate. Biagio Mandracchia, Corey Zheng & Shu Jia Article 29 May 2024 | Open Access Active ballistic orbital transport in Ni/Pt heterostructure The authors observe THz emission from Ni/Pt heterostructure due to long-range ballistic orbital transport. The velocity of orbital current can be optically tuned by laser fluence, opening the avenue for future optorbitronic devices. Sobhan Subhra Mishra, James Lourembam & Ranjan Singh Article 29 May 2024 | Open Access Catalytic asymmetric synthesis of planar-chiral dianthranilides via (Dynamic) kinetic resolution Chirality has long fascinated chemists, but asymmetric synthesis has largely focused on central, axial, and helical chirality to date. Here, the authors synthesize dianthranilides with planar chirality, via cinchona alkaloid-catalyzed (dynamic) kinetic resolution. Chun-Yan Guan, Shuai Zou & Guang-Jian Mei Article 29 May 2024 | Open Access Low-frequency conductivity of low wear high-entropy alloys The transport behavior of high-entropy alloys (HEAs) remains unclear. Here, the authors explore the fundamentals of low-wear and high-conductivity refractory HEAs, examining the cocktail effect in conductivity, and highlight its potential applications in enhancing atomic-scale image resolution. Cheng-Hsien Yeh, Wen-Dung Hsu & Chuan-Feng Shih Article 29 May 2024 | Open Access Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites By resonant pumping the organic cation in 2D perovskite, Fu et al. report the electronic and mechanical couplings between the organic and inorganic sublattices, evidenced by the reduced bandgap and modified lattice degree of freedom within the inorganic sublattice, and slow heat transfer process. Jianhui Fu, Tieyuan Bian & Tze Chien Sum Article 29 May 2024 | Open Access Molecular-strain induced phosphinidene reactivity of a phosphanorcaradiene Phosphanorcaradienes can serve as synthons for transient phosphinidene but the synthesis remains challenging. Here, the authors report a synthesis protocol for a phosphanorcaradiene, in which one of the benzene rings is intramolecularly dearomatized through attachment to the phosphorus atom. Yizhen Chen, Peifeng Su & Gengwen Tan Article 29 May 2024 | Open Access Momentum-dependent scaling exponents of nodal self-energies measured in strange metal cuprates and modelled using semi-holography Strange metal behaviour of high-Tc superconductors, characterised by unconventional electrical and thermodynamic properties, still poses challenges for theory. Smit et al. report experimental features in the self-energy of a strange metal that are consistent with predictions by holographic theoretical methods. S. Smit, E. Mauri & M. S. Golden Article 29 May 2024 | Open Access Photo-cycloaddition reactions of vinyldiazo compounds Heterocycles, highly prized by the pharmaceutical industry, are often constructed from diazo compounds. Here, the authors report that direct photolysis of vinyldiazo compounds followed by [3+2]-cycloaddition gives access to these motifs. Ming Bao, Klaudia Łuczak & Michael P. DoyleArticle 29 May 2024 | Open Access Catalytic asymmetric [4 + 2] dearomative photocycloadditions of anthracene and its derivatives with alkenylazaarenes While significant progress has been made in classical Diels-Alder reactions, the use of simple and inert feedstock chemicals under mild reaction conditions still remains challenging. Here the authors present the development of catalytic asymmetric [4 + 2] dearomative photocycloaddition involving anthracene and its derivatives with alkenylazaarenes. Dong Tian, Wenshuo Shi & Zhiyong Jiang Article 29 May 2024 | Open Access Supramolecular metallic foams with ultrahigh specific strength and sustainable recyclability Porous materials with high strength are desirable for many applications. Here, the authors present a supramolecular metallic foam enabled by nanostructured liquid metals connected with high-density metal-ligand coordination to exhibit ultrahigh specific strength and recyclability. Xin Yang, Xin Huang & Xinxing Zhang Article 29 May 2024 | Open Access Observation of phonon Stark effect The authors report experimental evidence of phonon Stark effect in 2H-MoS2 bilayers. A Stark phonon appears as the interlayer excitons are tuned to resonate with the LA phonon emission line, and shows a linear energy shift upon application of an out-of-plane electric field. Zhiheng Huang, Yunfei Bai & Guangyu Zhang Article 29 May 2024 | Open Access Low-temperature strain-free encapsulation for perovskite solar cells and modules passing multifaceted accelerated ageing tests The instability of perovskite solar cells hinders their commercialization. Here, authors report an industrially compatible strain-free encapsulation process based on lamination of highly viscoelastic semi-solid/highly viscous liquid encapsulant adhesive to reduce thermomechanical interfacial stress. Paolo Mariani, Miguel Ángel Molina-García & Francesco Bonaccorso Article 29 May 2024 | Open Access Reversible flexoelectric domain engineering at the nanoscale in van der Waals ferroelectrics Flexoelectric effect may offer a voltage-free method to control the polarization in 2D ferroelectrics, but its widespread application remains challenging. Here, the authors report an approach to arbitrarily switch the ferroelectricity in 2D CuInP2S6. Heng Liu, Qinglin Lai & Hualing Zeng Article 29 May 2024 | Open Access A spatially localized DNA linear classifier for cancer diagnosis Molecular computing is an emerging paradigm with a crucial role in clinical diagnosis. Here, authors develop a spatially localized, DNA-integrated circuits-based classifier, DNA IC-CLA, which enables accurate cancer diagnosis for clinical samples in a faster and more effective manner. Linlin Yang, Qian Tang & Da Han Article 29 May 2024 | Open Access Semi-classical origin of the extreme magnetoresistance in PtSn4 Extreme magnetoresistance (XMR) is the name assigned to the large and non-saturating magnetoresistance that occurs in some metals and semi-metals. In this work, the authors demonstrate the first material, PtSn4, in which XMR can be switched off by changing the direction of the magnetic field. J. Diaz, K. Wang & P. J. W. Moll Article 29 May 2024 | Open Access Multi-resource dynamic coordinated planning of flexible distribution network Flexible distribution networks with soft open points present a promising way to accommodate distributed generators and increasing loads. Here, authors present a multi-resource dynamic coordinated planning method, allowing allocation strategies to be determined over long-term planning periods. Rui Wang, Haoran Ji & Chengshan Wang Article 29 May 2024 | Open Access Mucus production, host-microbiome interactions, hormone sensitivity, and innate immune responses modeled in human cervix chips Human cervical mucosa and its interactions with the microbiome play a central role in female reproductive tract health and disease. Here, the authors develop physiological models of the human cervix using Organ-on-a-Chip technology that produce mucus, and respond to hormonal, environmental, and microbial cues similar to the living cervix. Zohreh Izadifar, Justin Cotton & Donald E. Ingber Article 29 May 2024 | Open Access Remote sensing of emperor penguin abundance and breeding success Emperor penguins colony occupancy is variable and chiefly estimated with remote sensing images at end of the breeding season. Here, the authors provide a phenological model that can extrapolate occupancy from sparse data and can predict phenological events, breeding pairs and fledging chicks. Alexander Winterl, Sebastian Richter & Daniel P. Zitterbart Article 28 May 2024 | Open Access Quantum barriers engineering toward radiative and stable perovskite photovoltaic devices Efficient radiation is essential to reach thermodynamic limit of photovoltaic efficiency. Here, authors design thick quantum barriers to suppress interfacial quenching and boost photon recycling in perovskite cells, achieving high radiation and photovoltaic efficiencies and long device stability. Kyung Mun Yeom, Changsoon Cho & Jun Hong Noh Article 28 May 2024 | Open Access Understanding how junction resistances impact the conduction mechanism in nano-networks The electrical properties of nanostructured networks are often dominated by junctions between the particles. Here, Gabett et al. develop transport models and utilise impedance spectroscopy to quantify the factors limiting conduction in these systems. Cian Gabbett, Adam G. Kelly & Jonathan N. Coleman Article 28 May 2024 | Open Access Emergence of a short peptide based reductase via activation of the model hydride rich cofactor Biological cofactors such as dihydronicotinamides are exploited by extant enzymes as hydride transfer agents and electron carriers but are generally inefficient to facilitate any reactions on their own. Here, the authors report short peptide-based amyloid nanotubes featuring exposed arrays of cationic and hydrophobic residues that can bind small hydride transfer agents (NaBH4) to facilitate efficient reduction of ester substrates in water. Ayan Chatterjee, Surashree Goswami & Dibyendu Das Article 28 May 2024 | Open Access Programmed multimaterial assembly by synergized 3D printing and freeform laser induction A freeform multimaterial assembly process (FMAP) is demonstrated, synchronizing laser induction with 3D printing for seamlessly integrating multimaterials into 3D objects, enabling streamlined, flexible, and precise electronic device fabrication. Bujingda Zheng, Yunchao Xie & Jian Lin Article 28 May 2024 | Open Access Directional thermal emission and display using pixelated non-imaging micro-optics The authors demonstrate ultrabroadband, polarisation-independent directional control of thermal radiation using a pixelated micro-emitter, and produce large emissivity contrast at different directions, with potential applications to radiative cooling, infrared spectroscopy and thermophotovoltaics. Ziwei Fan, Taeseung Hwang & Zi Jing Wong Article 28 May 2024 | Open Access Microwave-transparent metallic metamaterials for autonomous driving safety Lee et al. developed ultrathin metallic (metal filling ratios of > 70 %) metamaterials that exhibit perfect transmission at a specific radar frequency. These characteristics enable microwave transparent, low-sheet-resistance radar heaters for safe autonomous driving in extreme weather. Eun-Joo Lee, Jun-Young Kim & Sun-Kyung Kim Article 28 May 2024 | Open Access ARPES detection of superconducting gap sign in unconventional superconductors According to conventional wisdom, angle-resolved photoemission spectroscopy (ARPES) can only measure the magnitude of the superconducting gap but not its phase. Here, the authors propose a new method to directly detect the superconducting gap phase using ARPES and validate this technique on a cuprate superconductor. Qiang Gao, Jin Mo Bok & X. J. Zhou Article 28 May 2024 | Open Access Narrowband room temperature phosphorescence of closed-loop molecules through the multiple resonance effect Luminescent materials with narrowband emissions are vital for optoelectronic applications. Here, the authors achieve room temperature phosphorescence with a FWHM of 30 nm through the multiple resonance effect and showcase its practical application in X-ray imaging. Xiaokang Yao, Yuxin Li & Zhongfu An Article 28 May 2024 | Open Access Biological fermentation pilot-scale systems and evaluation for commercial viability towards sustainable biohydrogen production Biohydrogen production technologies effectively use waste biomass resources and produce high-purity hydrogen. Here, authors present and evaluate a continuous pilot-scale biohydrogen production system based on spectrum coupling, thermal effect, and multiphase flow properties of hydrogen production. Quanguo Zhang, Youzhou Jiao & Nadeem Tahir Article 28 May 2024 | Open Access Pretreatment-free SERS sensing of microplastics using a self-attention-based neural network on hierarchically porous Ag foams Detection and identification of microplastics (MPs) in environmental samples is hampered by the need for isolation and pretreatment methods. Here, the authors combine porous Ag substrates with self-attention neural networks to directly identify six types of MPs in environmental samples. Olga Guselnikova, Andrii Trelin & Yusuke Yamauchi Article 28 May 2024 | Open Access On the quality of commercial chemical vapour deposited hexagonal boron nitride Large-scale 2D hexagonal boron nitride (hBN) grown via chemical vapour deposition (CVD) has strategic importance for various applications of 2D materials. Here, the authors analyse the structural and electrical properties of commercially available CVD hBN from 9 popular suppliers and compare the results with mechanically exfoliated hBN and in-house CVD hBN. Yue Yuan, Jonas Weber & Mario Lanza Article 28 May 2024 | Open Access Domain wall magnetic tunnel junction-based artificial synapses and neurons for all-spin neuromorphic hardware The authors demonstrate all-spin synapses and neurons using domain wall-magnetic tunnel junctions, utilizing synergistic spin-orbit torque and Dzyaloshinskii-Moriya interaction. The intrinsic linearity is required for compact and energy-efficient bio-inspired hardware for neuromorphic computing. Long Liu, Di Wang & Ming Liu Article 28 May 2024 | Open Access Dynamics underlie the drug recognition mechanism by the efflux transporter EmrE Here, the authors reveal the protonation of a single membrane embedded glutamate residue within the homodimer of the efflux transporter EmrE modulates the structure and dynamics in an allosteric manner using NMR spectroscopy. Jianping Li, Ampon Sae Her & Nathaniel J. Traaseth Article 27 May 2024 | Open Access Cobalt-catalyzed cross-electrophile coupling of alkynyl sulfides with unactivated chlorosilanes Transition-metal catalyzed cross-electrophile coupling (XEC) is a powerful tool for the construction of molecules but XEC between carbon electrophile and chlorosilanes to access organosilicon compounds remains underdeveloped. Here the authors disclose a highly efficient cobalt-catalyzed cross-electrophile alkynylation of a broad range of unactivated chlorosilanes with alkynyl sulfides as a stable and practical alkynyl electrophiles. Donghui Xing, Jinlin Liu & Liangbin Huang Article 27 May 2024 | Open Access The impact of magnesium content on lithium-magnesium alloy electrode performance with argyrodite solid electrolyte All-solid-state lithium-based batteries require high stack pressure during operation. Here, we investigate the mechanical, transport, and interfacial properties of Li-rich magnesium alloy and show enhanced performance at low pressure and ambient temperature for alloy-based electrodes with less than 5 at% Mg content. Jack Aspinall, Krishnakanth Sada & Mauro Pasta Article 27 May 2024 | Open Access Reconfigurable image processing metasurfaces with phase-change materials Researchers demonstrate that image-processing metasurfaces can be dynamically reconfigured by using phase-change materials. The work might lead to novel tunable devices for compact optical computing for applications in AR/VR and bio-medical imaging. Michele Cotrufo, Shaban B. Sulejman & Andrea Alù Article 27 May 2024 | Open Access Internal water circulation mediated synergistic co-hydrolysis of PET/cotton textile blends in gamma-valerolactone Recycling strategies for mixed plastics and textile blends currently aim for recycling only one of the components. Here the authors demonstrate a water coupling strategy to co-hydrolyze polyester/cotton textile blends into polymer monomers and platform chemicals. Shun Zhang, Wenhao Xu & Yu-Zhong Wang Article 27 May 2024 | Open Access Zero-field J-spectroscopy of quadrupolar nuclei Zero to ultralow-field NMR provides chemical information in the absence of a high magnetic field but it is difficult to measure molecules with quadrupolar nuclei due to their fast relaxation. This study examines zero-field J-spectra from isotopologues of ammonium cations, with quadrupolar nuclei, revealing the presence of a primary isotope effect of −58 mHz. Román Picazo-Frutos, Kirill F. Sheberstov & Danila A. Barskiy Article 27 May 2024 | Open Access Programmable quantum emitter formation in silicon Quantum emitters in Si show promise for applications in quantum information processing and communication due to their potential as spin-photon interfaces. Jhuria et al. report the formation of selected telecom emitters in Si using local writing and erasing by fs laser pulses and annealing in a hydrogen atmosphere. K. Jhuria, V. Ivanov & T. Schenkel Article 27 May 2024 | Open Access Intermittency in the not-so-smooth elastic turbulence Intermittency is the behavior of extreme fluctuations observed in the flow of a fluid that is often associated with high Reynolds numbers. Here, the authors report intermittency in elastic turbulence at the low Reynolds number and high Deborah number limit. Rahul K. Singh, Prasad Perlekar & Marco E. Rosti Article 27 May 2024 | Open Access Integrated photonic encoder for low power and high-speed image processing The researchers showcase a silicon-photonics-based analog approach for large-scale image processing that can be deployed for high-speed image compression and de-noising using an auto-encoder framework with minimal power consumption. Xiao Wang, Brandon Redding & Raktim Sarma Article 27 May 2024 | Open Access Noninvasive imaging-guided ultrasonic neurostimulation with arbitrary 2D patterns and its application for high-quality vision restoration Researchers have developed a noninvasive retina prosthesis based on ultrasound for treating blindness. This device uses ultrasound waves to stimulate the retina, creating artificial vision confirmed through behavior tests, offering a safer alternative to invasive treatments. Gengxi Lu, Chen Gong & Qifa Zhou Article 27 May 2024 | Open Access Proton-coupled transport mechanism of the efflux pump NorA Efflux pumps confer antibiotic resistance by coupling proton import with drug export. In this work, the authors uncover the proton-coupled transport mechanism for the clinically relevant efflux pump NorA from the pathogenic bacterium S. aureus. Jianping Li, Yan Li & Nathaniel J. Traaseth Article 27 May 2024 | Open Access Break down the decentralization-security-privacy trilemma in management of distributed energy systems Decentralized management of distributed energy sources for lower energy costs is of high interest. Here, authors show how privacy and security concerns are addressed under a decentralization framework through blockchain and parallelizable algorithms. Qinghan Sun, Huan Ma & Qun Chen