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Prostheses and robots have been affecting all aspects of life. Making them conscious and intelligent like humans is appealing and exciting, while there is a huge contrast between progress and strong demand. An alternative strategy is to develop an artificial peripheral neural system with high‐performance bionic receptors. Here, a novel functional composite material that can serve as a key ingredient to simultaneously construct different artificial exteroceptive sensors (AE sensors) and artificial proprioceptive sensors (AP sensors) is demonstrated. Both AP sensors and AE sensors demonstrate outstandingly high stretchability; up to 200% stretching strain and possess the superior performance of fast response and high stability. An artificial peripheral neural system integrated with the highly stretchable AP sensor and AE sensor is constructed, which makes a significant breakthrough in the perception foundation of efficient proprioception and exteroception for intelligent prostheses and soft robots. Accurate feedback on the activities of body parts, music control, game manipulation, and wireless typing manifest the enormous superiority of the spatiotemporal resolution function of the artificial peripheral neural system, all of which powerfully contribute to promoting intelligent prostheses and soft robots into sophistication, and are expected to make lives more fascinating. [ABSTRACT FROM AUTHOR]

In this article, we present coupled experimental/simulated results about the influence of interface and border traps on the electrical characteristics and split-CV mobility extraction in InGaAs MOSFETs. These results show that border traps limit the maximum drain current under on-state conditions, induce a hysteresis in the quasi-static transfer characteristics, as well as affect CV measurements, inducing an increase in the accumulation capacitance even at high frequencies where trap effects are commonly assumed to be negligible. Hysteresis in the transfer characteristics can be used as a sensitive monitor of border traps, as suggested by a sensitivity analysis where either the energetic or the spatial distribution of border traps are varied. Finally, we show that mobility extraction by means of the split-CV method is affected by appreciable errors related to the spurious contributions of interface and border traps to the total gate charge, ultimately resulting in significant channel mobility underestimation. In very narrow channel devices, channel electron spilling over the InP buffer layer can also contribute to mobility measurement inaccuracy. [ABSTRACT FROM AUTHOR]

Neuromorphic Computing: A Fully Printed Flexible MoS2 Memristive Artificial Synapse with Femtojoule Switching Energy (Adv. In article number 1900740, Tawfique Hasan, Aaron Thean, Yong-Wei Zhang, Kah-Wee Ang, and co-workers report the demonstration of flexible MoS2 memristive artificial synapses via scalable, low-temperature aerosol-jet printing. Fully printed memristors in a cross-bar structure enable efficient emulation of synaptic plasticity functions with femtojoule energy consumption. [Extracted from the article]

A stretchable electrocardiogram (ECG) patch (SEP) that monolithically integrates ECG monitoring chip‐on‐board (COB) with polydimethylsiloxane (PDMS) and liquid‐metal interconnects is presented. The 4.8 × 4.8 cm2 SEP is conformal and robust to mechanical deformation. The use of a silicon‐on‐insulator rigid complementary‐metal‐oxide‐semiconductor chip allows sophisticated power management and signal processing. The chip's dense inputs/output pads are interfaced with coarser liquid‐metal interconnects using a dual‐sided COB design. A robust ECG signal response (≈100 mVp–p up to 1 kHz), subjected to mechanical deformation and moisture is demonstrated. The SEP allows up to 10% stretch, providing sufficient pliability to enable conformal contact to the human chest. Low profile soft carbon black‐PDMS nanocomposite electrodes, robust to deformation, enable good skin contact and allow for low‐noise signal acquisition that is comparable to larger commercial wet electrodes. A hybrid rigid stretchable electrocardiogram (ECG) patch that provides quality real time ECG monitoring is demonstrated. The custom designed ECG chip, through the integration of rigid chip‐on‐board with small footprint with Galinstan interconnects, allows high performance circuitry while ensuring the patch is highly compliant. Furthermore, integrated soft carbon black‐polydimethylsiloxane nanocomposite as sensor electrodes with comparable performance to commercial wet electrodes is presented. [ABSTRACT FROM AUTHOR]