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Long-range wireless data links can be created by combining a software-defined digital signal processing back end with on-chip high-power terahertz signal sources and broadband frequency mixers based on Schottky diode technology.
A nanomesh sensor that is directly printed on a person’s hand and is coupled with an unsupervised meta-learning framework can provide user-independent and data-efficient recognition of different hand tasks.
A lithography method that is based on interfacial adhesion energy differences and physical etching processes can be used to fabricate more than 10,000 molybdenum disulfide field-effect transistors on six-inch wafers with a yield of around 100%.
A Bayesian machine can be implemented in a system with distributed memristors, allowing it to locally perform computation with minimal energy movement.
Using a conductive silver–hydrogel ink, three-dimensional circuits can be printed into a supporting hydrogel matrix that has a temporary, fluid-like state before curing to make fully encapsulated hydrogel electronics.
Floating-gate memristive synaptic devices that are fabricated using commercial complementary metal–oxide–semiconductor processes can be used to create energy-efficient restricted Boltzmann machines and deep belief neural networks.
The magnetic anisotropy of the van der Waals ferromagnet Fe5GeTe2 can be continuously tuned—from an initial out-of-plane orientation to a canted orientation and then finally to an in-plane orientation—using electrical gating.
By combining p-type transistors made with silicon-on-insulator technology and n-type transistors made with two-dimensional molybdenum disulfide, heterogeneous complementary field-effect transistors can be fabricated on the wafer scale.
Using common solid-state electrolyte films, multimode transistors can be created that exhibit different characteristics—tunable synaptic weights, high apparent mobilities, sharp subthreshold swings and memristive conductances—on demand and could be used create neural networks that function in different modes as needed.
A van der Waals gap of 5.3 Å can be formed between a hafnium oxide dielectric and molybdenum disulfide channel through oxygen accumulation, which weakens the influence of dielectric defects on the channel material and results in transistors with low hysteresis and steep subthreshold slopes.
Semiconductor polymer films that are based on a lateral-phase-separation-induced micromesh can be used to create transistors, complementary inverters and bilayer heterojunction photodetectors that can function under applied strains of up to 50%.
Time-resolved magneto-optical Kerr microscopy, combined with micromagnetic simulations, can be used to detect spin–orbit torque switching of the magnetization and exchange bias in platinum/cobalt/iridium–manganese heterostructures on sub-nanosecond timescales.
An activity-difference training approach, which employs 64 × 64 memristor arrays with integrated complementary metal–oxide–semiconductor control circuitry, can be used to train a deep neural network to efficiently classify Braille words.
Polydimethylsiloxane–gold conductors that are 1.3 μm thick and have controlled morphology of microcracks in the gold film can be used to create breathable and water-resistant electrodes for recording electrocardiogram signals, as well as on-skin pressure sensors and implantable nerve electrodes.
A van der Waals heterostructure that has a partial floating-gate field-effect transistor device architecture can function as both reconfigurable transistor and reconfigurable non-volatile memory, and can provide reconfigurable logic-in-memory capabilities.
An organic artificial neuron that is based on a compact nonlinear electrochemical element can operate in a liquid and responds to the concentration of biological species in its surroundings, allowing its behaviour to be modulated, for example, by interfacing with the membranes of living cells.
By combining vector magnetometry and magneto-transport measurements of epitaxial films with different crystallographic orientations, an anomalous Hall effect can be measured in collinear altermagnetic ruthenium dioxide with an anomalous Hall conductivity exceeding 1,000 Ω–1 cm–1.
A 1-bit space–time-coding metasurface antenna can extract and mould guided waves into any desired free-space waves in both space and frequency domains.