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Acoustically driven spin control of silicon monovacancies can be used to measure the resonant properties and dynamical strain distribution in lateral overtone bulk acoustic resonators.
A neuromorphic biosensor that consists of a sensor input layer, an array of organic neuromorphic devices (forming a hardware neural network) and an output classification layer can be trained on the chip to classify a model disease and then retrained on the chip by switching the sensor input signals.
A bioelectronic patch that is composed of three layers—an ionically conductive tissue adhesive, a viscoelastic networked film and a fatigue-resistant conducting composite—is capable of instantaneous and conformable tissue adhesion on a heart for precise cardiac monitoring and feedback stimulation.
Arbitrary problem graphs with up to 48 nodes can be efficiently and quickly solved by directly mapping onto a fully connected Ising chip that uses complementary-metal–oxide–semiconductor-based oscillators.
A wireless communication approach for neural implants that is based on electro-quasistatic signalling can offer end-to-end channel losses of only around 60 dB at a distance of around 55 mm.
A platform that integrates a ferroelectric gate and two-dimensional heterostructure of tungsten diselenide and tin diselenide can operate in various gating modes, demonstrating typical transistor, steep-slope transistor and synaptic behaviours.
A clock and optical frequency synchronization technique, enabled by frequency comb and signal processing techniques, can provide users with guaranteed bandwidth and low latency for time-critical applications.
High-performance lead-free perovskite thin-film transistors that have low-defect channel–dielectric interfaces can be fabricated using a cation substitution method.
It is shown that 1,024 organic light-emitting diodes can be densely integrated with silicon complementary metal–oxide–semiconductor control circuitry to create neural probes that can selectively activate neurons with millisecond-level timing.
Individual graphene nanoribbons synthesized by an on-surface approach can be contacted with carbon nanotubes—with diameters as small as 1 nm—and used to make multigate devices that exhibit quantum transport effects such as Coulomb blockade and single-electron tunnelling.
Organic semiconductor and colloidal quantum-dot-based thin-film image sensors show reduced noise, dark current and image lag when a pinned photodiode pixel structure, similar to those in silicon-based image sensors, is used.
An integrated artificial synapse array and light-responsive motion sensor can be conformably attached to a finger and used to track finger motion in three-dimensional space.
A multicore analogue in-memory computing chip that is designed and fabricated in 14 nm complementary metal–oxide–semiconductor technology with backend-integrated phase-change memory can be used for deep neural network inference.
Magnetic fluctuations and random telegraph noise in vertical tunnelling heterostructure devices composed of vanadium-doped tungsten diselenide sandwiched between graphene layers can be tuned using an electric bias.
Programmable metasurfaces can be used for wireless attacks at the physical layer, highlighting potential security threats for next-generation wireless networks.
Piezoelectric transducers based on ferroelectric hafnia–zirconia–alumina can be used to create nanoelectromechanical resonators that operate between 0.4 and 17.3 GHz and have an on/off isolation of 37 dB.
A wearable sweat sensor powered by a flexible solar cell can continuously collect multimodal physicochemical data—glucose, pH, sodium ion, sweat rate and skin temperature—across indoor and outdoor physical activities for over 12 h.
Aligned carbon nanotubes can be used to create six-transistor static random-access memory cells with an area of less than 1 μm2 and performance superior to cells made using 90-nm-node silicon transistors, as well as field-effect transistors with scaled contacted gate pitch comparable with the 10 nm silicon technology node.
Metadevices that are based on quasi-one-dimensional surface plasmon polariton structures can offer optical and radiofrequency transparency, and can be used to create a wireless communication scheme for image transfer.
Millimetre-scale meron lattices that are stable at room temperature and under zero magnetic field can be used as spin injectors in light-emitting diodes, providing 22.5% circularly polarized electroluminescence.