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Optoelectronic synapses are currently drawing significant attention as fundamental building blocks of neuromorphic computing to mimic brain functions. In this study, a two‐terminal synaptic device based on a doped PdSe2 flake is proposed to imitate the key neural functions in an optical pathway. Due to the wavelength‐dependent desorption of oxygen clusters near the intrinsic selenide vacancy defects,...
PbYb0.5Nb0.5O3 (PYN)‐based ceramics, featured by their ultra‐high phase‐switching field and low sintering temperature (950 °C), are of great potential in exploiting dielectric ceramics with high energy storage density and low preparation cost. However, due to insufficient breakdown strength (BDS), their complete polarization‐electric field (P‐E) loops are difficult to be obtained. Here, to fully reveal...