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26 results on '"Luo, Mengdi"'

5. Subdiffraction 3D Nanolithography by Two‐Photon Two‐Step Absorption and Photoinhibition

Author

Ding, Chenliang, primary, Liu, Xi, additional, Liu, Qiulan, additional, Zhu, Dazhao, additional, Luo, Mengdi, additional, Gao, XiuJun, additional, Yang, Zhenyao, additional, Sun, Qiuyuan, additional, Qian, Quanli, additional, Shen, Xiaoming, additional, Cao, Chun, additional, You, Shangting, additional, Xu, Liang, additional, He, Minfei, additional, Liu, Yong, additional, Kuang, Cuifang, additional, and Liu, Xu, additional

Published
2023
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6. Subdiffraction 3D Nanolithography by Two‐Photon Two‐Step Absorption and Photoinhibition.

Author

Ding, Chenliang, Liu, Xi, Liu, Qiulan, Zhu, Dazhao, Luo, Mengdi, Gao, XiuJun, Yang, Zhenyao, Sun, Qiuyuan, Qian, Quanli, Shen, Xiaoming, Cao, Chun, You, Shangting, Xu, Liang, He, Minfei, Liu, Yong, Kuang, Cuifang, and Liu, Xu

Subjects
NANOLITHOGRAPHY, ACHROMATISM, PHOTONIC crystals, ABSORPTION, LITHOGRAPHY
Abstract

Improving the 3D resolution is a decisive step in the transition of direct laser writing from being limited to research use to being a powerful tool. Three‐color (3CL) lithography is expected to result in significantly higher resolution with two‐color lasers initiating polymerization in two steps and one‐color laser inhibiting polymerization. However, the 3CL process increases the complexity of the system and makes the influence of chromatic aberration worse which leads to non‐ideal writing results, which is ≈80 nm linewidth (≈λ/10) at present. In this study, the 3CL lithography is improved by introducing almost one color (1CL) instead of three colors to achieve subdiffraction 3D nanolithography based on two‐photon two‐step absorption and photoinhibition (T2A‐PI). Using benzil as a photoinitiator, a sub‐30 nm (<λ/17.5) lateral feature size, minimum 80 nm lateral, and 160 nm axial pitches are achieved, which, to our knowledge, is the best to be fabricated using the laser in the visible region. 3D woodpile photonic crystals and other high‐quality nanostructures are fabricated, demonstrating the unique advantages over existing direct laser writing technologies. [ABSTRACT FROM AUTHOR]

Published
2024
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16. 半导体激光器锁频系统的环境适应性研究

Author

Xiao Yuhua, 肖玉华, primary, Luo Mengdi, 罗梦迪, additional, Wang Zhaoying, 王兆英, additional, Chen Jiang, 陈江, additional, Tu Jianhui, 涂建辉, additional, Dai Hu, 代虎, additional, Li Weiwei, 李巍伟, additional, and Liu Zhidong, 刘志栋, additional

Published
2021
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21. 半导体激光器锁频系统的环境适应性研究

Author

肖玉华 Xiao Yuhua, 罗梦迪 Luo Mengdi, 王兆英 Wang Zhaoying, 陈江 Chen Jiang, 涂建辉 Tu Jianhui, 代虎 Dai Hu, 李巍伟 Li Weiwei, and 刘志栋 Liu Zhidong

Subjects
Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2021

26. Transparent and anhydrous proton conductors based on PVA/imidazole/NH4H2PO4 composites

Author

Pu, Hongting, Luo, Mengdi, and Yang, Zhenglong

Subjects
*PROTONS, *ARTIFICIAL membranes, *POLYVINYL alcohol, *AMMONIUM, *ELECTRIC conductivity
Abstract

Abstract: A new anhydrous proton conducting membrane for solid-state electrochromic device (ECD) based on poly(vinyl alcohol) (PVA), imidazole (Imi), and ammonium dihydrogen phosphate (NH4H2PO4) was prepared. The structure of PVA/Imi/NH4H2PO4 composite membrane was studied by X-ray diffraction and differential scanning calorimetry (DSC). The transmittance of the membrane always decreases with increasing content of the imidazolium. Compared with the PVA/NH4H2PO4 membrane, the addition of proper amount of Imi can enhance the proton conductivity to a certain extent. At low PVA content, equal molar ratio of Imi and NH4H2PO4 is favorable for high proton conductivity, while higher molar ratio of Imi and NH4H2PO4 is beneficial at high PVA content. [Copyright &y& Elsevier]

Published
2007
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