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The interface is the device. As the feature size rapidly shrinks, silicon‐based electronic devices are facing multiple challenges of material performance decrease and interface quality degradation. Ultrathin 2D materials are considered as potential candidates in future electronics by their atomically flat surfaces and excellent immunity to short‐channel effects. Moreover, due to naturally terminated...
The emerging 2D layered transition metal trihalides (MX3) have attracted extremely high interest given their exceptional structural and physical properties. Continuing to extend the library of 2D MX3 is essential for exploring new physical phenomena and enabling new functionality. Herein, the optical and electrical properties and the photodetection behavior of atomically thin RhI3 flakes exfoliated...
Infrared (IR) photodetectors are finding diverse applications in imaging, information communication, military, etc. 2D metal chalcogenides (2DMCs) have attracted increasing interest in view of their unique structures and extraordinary physical properties. They have demonstrated outstanding IR detection performance including high responsivity and detectivity, high on/off ratio, fast response rate,...
Silicon photonics has demonstrated great potential in ultrasensitive biochemical sensing. However, it is challenging for such sensors to detect small ions which are also of great importance in many biochemical processes. A silicon photonic ion sensor enabled by an ionic dopant–driven plasmonic material is introduced here. The sensor consists of a microring resonator (MRR) coupled with a 2D restacked...
In article number 1603103, Yue Zhang and co‐workers demonstrate light tuning of the surface potential of two dimensional MoS2 which is attributed to the photovoltaic effect, the produced numbers of photogenerated electrons by incident light will transfer between the metal substrate and MoS2, then form the local electric field at the interface. The local electric field can change the numbers of trapped...
Here surface potential of chemical vapor deposition (CVD) grown 2D MoS2 with various layers is reported, and the effect of adherent substrate and light illumination on surface potential of monolayer MoS2 are investigated. The surface potential of MoS2 on Si/SiO2 substrate decreases from 4.93 to 4.84 eV with the increase in the number of layer from 1 to 4 or more. Especially, the surface potentials...
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