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Transition metal oxides (TMOs) as high‐capacity electrodes have several drawbacks owing to their inherent poor electronic conductivity and structural instability during the multi‐electron conversion reaction process. In this study, the authors use an intrinsic high‐valent cation substitution approach to stabilize cation‐deficient magnetite (Fe3O4) and overcome the abovementioned issues. Herein, 5...
The design of porous structure in wearable sensors is very important for the detection of mechanical signals. However, it remains challenging to construct a porous structure capable of detecting all kinds of mechanical signals. Here, round wire with long‐range orientated micropores (RW‐LOM) is fabricated by a newly established freeze printing technique and constructed into a wearable sensor by the...
Optical microsphere resonators working in the near‐ and mid‐infrared regions are highly required for a variety of applications, such as optical sensors, filters, modulators, and microlasers. Here, a simple and low‐cost approach is reported for batch fabrication of high‐quality chalcogenide glass (ChG) microsphere resonators by melting high‐purity ChG powders in an oil environment. Q factors as high...
Graphene oxide (GO)‐based resistive‐switching (RS) memories offer the promise of low‐temperature solution‐processability and high mechanical flexibility, making them ideally suited for future flexible electronic devices. The RS of GO can be recognized as electric‐field‐induced connection/disconnection of nanoscale reduced graphene oxide (RGO) conducting filaments (CFs). Instead of operating an electrical...
In article number 1801325, Haiyang Xu, Yichun Liu, and co‐workers propose a strategy of TiO2‐assisted photocatalytic reduction to generate reduced graphene oxide (RGO)‐domains locally in Al/GO‐TiO2/ITO resistive switching (RS) memory. Such a mild reduction method can effectively eliminate the electrical FORMING process, improve the RS performance and help to maintain the flexibility of the memory...
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