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A nanoplasmonic technique was used to investigate in operando the switching properties of materials used in redox random access memories, providing insight into the operation and potential breakdown mechanisms of the devices.
One-dimensional molecular arrays on graphene field-effect transistors can be reversibly switched between different periodic charge states by tuning the graphene Fermi level via a back-gate electrode and by manipulating individual molecules, allowing them to function as a nanoscale shift register.
The superionic phase transition in silver iodide can be used to tailor the carrier type in two-dimensional tungsten diselenide and create programmable transistors, diodes and logic gates, the functions of which can be erased by external triggers such as ultraviolet irradiation.
Wafer-scale monolayers of MoS2 can be used to create flexible transistors and circuits that exhibit on/off ratios of 1010, current densities of ~35 μA μm−1 and mobilities of ~55 cm2 V−1 s−1.
Negative capacitance field-effect transistors have been proposed as a route to low-power electronics, but a lack of fundamental understanding limits progress.
This Perspective examines the relationship between hardware platforms and the competency awareness of a neural network, highlighting how hardware developments can impact uncertainty estimation quality, and exploring the innovations required in order to build competency-aware neural networks in resource constrained hardware platforms.
Progress towards low-power electronics based on negative capacitance has been slow. For the field to develop, the gap between fundamental research on ferroelectric materials and the engineering of practical devices needs to be bridged.
A monocentric lens and a sensitive hemispherical imager can be combined to create a miniaturized camera that offers a field of view of 120°, deep depth of field and minimal optical aberration.
By integrating a MoS2 photodetector with a floating-gate memory device, a nanoscale collision detector can be created that mimics the escape response of the lobula giant movement detector neuron.
By using carbon nanotubes as a channel material, an ion gel as a gate and polyimide as a substrate, field-effect transistors can be created that have a high radiation tolerance and can be repaired by annealing.
Two-dimensional materials could first find widespread commercial application in analogue electronics, rather than as a replacement for silicon in digital devices.
This Review Article examines the potential of spintronics in four key areas of application —memories, sensors, microwave devices, and logic devices — and discusses the challenges that need be addressed in order to integrate spintronic materials and functionalities into mainstream microelectronic platforms.
An operational amplifier that uses the two-dimensional semiconductor molybdenum disulfide as the active material can be used to create complex analogue circuits, including inverters, integrators and amplifiers.
A two-terminal device that uses an array of carbon nanotubes as the source contact can excite electroluminescence from a variety of materials, producing electroluminescence from long-wave infrared to ultraviolet wavelengths, with onset voltages approaching the optical energy gap of the emitting material.