Vapor growth of V-doped MoS2 monolayers with enhanced B-exciton emission and broad spectral response [0.03%]
用于增强B激子辐射和宽带光谱响应的V掺杂MoS2单层气相生长研究
Biyuan Zheng,Xingxia Sun,Weihao Zheng et al.
Biyuan Zheng et al.
Dynamically engineering the optical and electrical properties in two-dimensional (2D) materials is of great significance for designing the related functions and applications. The introduction of foreign-atoms has previously been proven to b...
Enhancement of silicon sub-bandgap photodetection by helium-ion implantation [0.03%]
氦离子注入增强硅带隙下光电检测性能
Zhao Wang,Xiaolei Wen,Kai Zou et al.
Zhao Wang et al.
Silicon sub-bandgap photodetectors can detect light at the infrared telecommunication wavelengths but with relatively weak photo-response. In this work, we demonstrate the enhancement of sub-bandgap photodetection in silicon by helium-ion i...
An all-silicon design of a high-efficiency broadband transmissive terahertz polarization convertor [0.03%]
一种高效的宽带透射太赫兹波偏振转换器的全硅实现方案
Xiaohua Xing,Die Zou,Xin Ding et al.
Xiaohua Xing et al.
Polarization, a fundamental behavior of electromagnetic waves, holds immense potential across diverse domains such as environmental monitoring, biomedicine, and ocean exploration. However, achieving efficient modulation of terahertz waves w...
Zikang Xu,Ruiqi Ren,Hang Ren et al.
Zikang Xu et al.
Manganese dioxide (MnO2), as a cathode material for multivalent ion (such as Mg2+ and Al3+) storage, is investigated due to its high initial capacity. However, during multivalent ion insertion/extraction, the crystal structure of MnO2 parti...
A scheme for realizing nonreciprocal interlayer coupling in bilayer topological systems [0.03%]
在双层拓扑系统中实现非互易层间耦合的方案
Xiaoxiao Wang,Ruizhe Gu,Yandong Li et al.
Xiaoxiao Wang et al.
Nonreciprocal interlayer coupling is difficult to practically implement in bilayer non-Hermitian topological photonic systems. In this work, we identify a similarity transformation between the Hamiltonians of systems with nonreciprocal inte...
Role of chloride on the instability of blue emitting mixed-halide perovskites [0.03%]
氯化物对蓝光发射混合卤化物钙钛矿材料不稳定性的角色研究
Max Karlsson,Jiajun Qin,Kaifeng Niu et al.
Max Karlsson et al.
Although perovskite light-emitting diodes (PeLEDs) have seen unprecedented development in device efficiency over the past decade, they suffer significantly from poor operational stability. This is especially true for blue PeLEDs, whose oper...
Localized in-situ deposition: a new dimension to control in fabricating surface micro/nano structures via ultrafast laser ablation [0.03%]
局部现场沉积：利用超快激光刻写控制表面微纳结构的新维度
Peixun Fan,Guochen Jiang,Xinyu Hu et al.
Peixun Fan et al.
Controllable fabrication of surface micro/nano structures is the key to realizing surface functionalization for various applications. As a versatile approach, ultrafast laser ablation has been widely studied for surface micro/nano structuri...
Study of the growth mechanism of a self-assembled and ordered multi-dimensional heterojunction at atomic resolution [0.03%]
原子尺度下二维有序异质结的生长机制研究
Zunyu Liu,Chaoyu Zhao,Shuangfeng Jia et al.
Zunyu Liu et al.
Multi-dimensional heterojunction materials have attracted much attention due to their intriguing properties, such as high efficiency, wide band gap regulation, low dimensional limitation, versatility and scalability. To further improve the ...
Xinxin Duan,Meng Zhang,Yu-Hui Zhang
Xinxin Duan
The development of super-resolution technology has made it possible to investigate the ultrastructure of intracellular organelles by fluorescence microscopy, which has greatly facilitated the development of life sciences and biomedicine. To...
Pump quantum efficiency optimization of 3.5 μm Er-doped ZBLAN fiber laser for high-power operation [0.03%]
适用于高功率运转的3.5μm掺饵ZBLAN光纤激光器泵浦量子效率优化研究
Lu Zhang,Shijie Fu,Quan Sheng et al.
Lu Zhang et al.
976 nm + 1976 nm dual-wavelength pumped Er-doped ZBLAN fiber lasers are generally accepted as the preferred solution for achieving 3.5 μm lasing. However, the 2 μm band excited state absorption from the upper lasing level (4F9/2 → 4F7/2)...