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Low-drift electrode arrays—based on a dry and conductive composite material made from an MXene and a pressure-sensitive adhesive—can be used to spatiotemporally map electrical signal propagation in plants such as Mimosa pudica.
By combining a 0.5-μm industrial fabrication process and a back-end-of-line academia laboratory process, as well as using a multi-level co-optimization methodology, a molybdenum disulfide computer can be fabricated that comprises 1,433 transistors interconnected by four metal layers.
A photolithographic fabrication process can be used to create soft and stretchy organic electrochemical transistor arrays that have a density up to 10,000 devices per square centimetre, and can perform edge computing tasks in wearable devices and soft robots.
Using an industry-compatible and tunable oxygen-incorporated technique to heal defect states, p-type monolayer tungsten diselenide transistors can be created with a hole mobility of 137 cm2 V−1 s−1 and a contact resistance of approximately 560 Ω µm at room temperature.
Patterned and scalable two-dimensional metal–semiconductor heterostructures formed between niobium disulfide and molybdenum disulfide can be created using an in situ sulfurization process and used to make field-effect transistors and non-volatile memory devices.
A metallic superconductor–normal-conductor–superconductor sensor can be used to measure the energy of 1-μs-long 8.4-GHz microwave pulses with a full-width at half-maximum energy resolution finer than 0.95 ± 0.02 zJ, corresponding to 170 photons at 8.4 GHz.
By using chaotic vertical-cavity surface-emitting lasers as entropy sources for key generation, a security system based on physical unclonable functions can be created that offers response rates above 500 Gbps with an energy consumption below 1 pJ per bit per laser emitter.
An electrothermal co-design strategy can be used to make flexible transistors based on aligned carbon nanotube arrays with current-gain cut-off frequencies of 152 GHz and power-gain cut-off frequencies of 102 GHz.
Metainterfaces that have repetitive surface unit structures, and are inspired by the mortise–tenon and finger-joint structures used in traditional woodworking, can be used to create functional interfaces with enhanced electronic and thermal transport.
By tuning the twist angle at its interfaces, a trilayer van der Waals heterostructure of molybdenum disulfide/molybdenum sulfide selenide/tungsten diselenide can offer an asymmetric thermal transport for use in the thermal management of electronic devices.
Bioelectronics based on a three-dimensional topological interpenetrating architecture reinforced with covalent chemical anchoring can be used for long-term electrophysiological recording, electrical stimulation and electrochemical sensing in body locations subjected to constant movement.
A photodiode that is based on silver bismuth sulfide offering a reversible symmetry-to-asymmetry transition via the localized electrochemical reduction of silver ions can be used for both transmissive imaging and in-sensor processing.
Solid neon can serve as a host for electron qubits that is resilient against charge and thermal noise, and exhibits a charge noise that is comparable to that of common semiconductor systems, as shown by noise spectroscopy.
A programmable platform that encodes plasmonic skyrmions with diverse topologies, including Néel-type skyrmions and merons, can be used for robust wireless communication and intelligent sensing.
Two types of signal folding—for input signals and for weight conductance—can be implemented in molybdenum disulfide-based one-transistor–one-resistor arrays to decrease power consumption and improve weight precision in vector–matrix multiplication.
A wafer-scale, solvent- and polymer-free transfer method that uses a high-κ dielectric oxide as the transfer medium can create molybdenum disulfide transistors on flexible substrates with high mobilities, high on/off ratios and near-ideal subthreshold slopes.
A three-dimensional soft electronic sensor and stimulator array that is integrated with a three-dimensional cultured neural network can be used to record action potential from multiple planes over a period of 6 months, monitor evolving connectivity maps and pharmacological responses, as well as construct a reservoir neural network for biocomputing.
Ultrafast-laser-fabricated micro-vortices in thermoplastic polymer substrates can be used to generate intricate microscale dispersion signals and be integrated with image sensors to create microspectrometers for spectral imaging.
Intrinsically stretchable logic gates and ring oscillators with stable performance up to 100% strain can be fabricated using complementary circuits that are solution processed and based on direct photo-patternable polymer semiconductors.
An artificial retina consisting of near-infrared-sensitive phototransistors and three-dimensional liquid metal electrodes can be adhered to the epiretinal surface to stimulate retinal ganglion cells, extending vision in mice with a retinal degenerative disease.
