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First-principles study of structural and opto-electronic characteristics of ultra-thin amorphous carbon films: 《Chinese Physics B》2022年第1期434-444,共11页Xiao-Yan Liu Lei Wang Yi Tong; the NUPTSF(Grant Nos.NY220078,NY217116,and NY220112);the Science Foundation of Jiangsu Province,China(Grant Nos.BK20211273 and BZ2021031);the Dual Innovative Doctor of Jiangsu Province,China(Grant No.JSSCBS20210522);the Institution of Jiangsu Province,China(Grant No.20KJB510014);the National and Local Joint Engineering Laboratory of RF and Micro-assembly(Grant No.KFJJ20200203);the Industry Program of Huzhou City(Grant No.2020GG03);the Distinguished Professor Grant of Jiangsu Province,China(Grant No.RK106STP18003);the Jiangsu Province Research Foundation,China(Grant Nos.NLXZYZZ219001 and SZDG2020009);the National Natural Science Foundation of China(Grant No.61964012);the Foundation of Jiangxi Science and Technology Department,China(Grant No.20202ACBL212001).; Most amorphous carbon(a-C)applications require films with ultra-thin thicknesses;however,the electronic structure and opto-electronic characteristics of such films remain unclear so far.To address this issue,we develo...; 关键词：amorphous carbon DENSITY optical properties electronic structure density functional theory

High-frequency enhancement-mode millimeterwave AlGaN/GaN HEMT with an fT/fmax over 100 GHz/200 GHz: 《Chinese Physics B》2021年第8期444-448,共5页Sheng Wu Minhan Mi Xiaohua Ma Ling Yang Bin Hou Yue Hao; Project supported by the National Key Research and Development Program of China(Grant No.2020YFB1804902);the National Natural Science Foundation of China(Grant No.61904135);the China Postdoctoral Science Foundation(Grant Nos.2018M640957 and BX20200262);the Natural Science Foundation of Shaanxi Province,China(Grant No.2020JQ-316).; Ultra-thin barrier(UTB) 4-nm-Al Ga N/Ga N normally-off high electron mobility transistors(HEMTs) having a high current gain cut-off frequency( fT) are demonstrated by the stress-engineered compressive Si N trench tech...; 关键词：ultra-thin barrier(UTB) AlGaN/GaN in-situ SiN stress-engineering ENHANCEMENT-MODE mixed-signal applications

High efficiency and broad bandwidth terahertz vortex beam generation based on ultra-thin transmission Pancharatnam-Berry metasurfaces被引量：2: 《Chinese Physics B》2021年第5期667-672,共6页Wenyu Li Guozhong Zhao Tianhua Meng Ran Sun Jiaoyan Guo; the National Natural Science Foundation of China(Grant No.62071312);the Important R&D Projects of Shanxi Province,China(Grant No.201803D121083);the Shanxi Scholarship Council(Grant No.2020-135).; The terahertz(THz)vortex beam generators are designed and theoretically investigated based on single-layer ultra-thin transmission metasurfaces.Noncontinuous phase changes of metasurfaces are obtained by utilizing Pan...; 关键词：metasurface terahertz vortex beam Pancharatnam-Berry phase element conversion efficiency

Photocurrent improvement of an ultra-thin silicon solar cell using the localized surface plasmonic effect of clustering nanoparticles被引量：3: 《Chinese Physics B》2020年第6期532-537,共6页F Sobhani H Heidarzadeh H Bahador; The cluster-shaped plasmonic nanostructures are used to manage the incident light inside an ultra-thin silicon solar cell.Here we simulate spherical,conical,pyramidal,and cylindrical nanoparticles in a form of a clust...; 关键词：clustering nanoparticles plasmonic solar cell localized surface plasmon resonance PHOTOCURRENT finite difference time domain(FDTD)method light management

Thermal conductivity characterization of ultra-thin silicon film using the ultra-fast transient hot strip method: 《Chinese Physics B》2019年第7期499-503,共5页Yan-Yan Zhang Ran Cheng Dong Ni Ming Tian Ji-Wu Lu Yi Zhao; Project supported by the Zhejiang Provincial Natural Science Foundation of China(Grant No.LZ19F040001);the National Natural Science Foundation of China(Grant No.61473287);the NSFC–Zhejiang Joint Fund for the Integration of Industrialization Informatization,China(Grant No.U1609213); Thermal conductivity is an important material parameter of silicon when studying the performance and reliability of devices or for guiding circuit design when considering heat dissipation, especially when the self-hea...; 关键词：cross-plane thermal CONDUCTIVITY ultra-fast TRANSIENT hot STRIP METHOD

Ultra-thin and light-weight spoof surface plasmon polariton coupler achieved by broadside coupled split ring resonators: 《Chinese Physics B》2018年第10期175-180,共6页Ya Fan Jia-Fu Wang Hua Ma Yong-Feng Li Ming-De Feng Shao-Bo Qu; Project supported by the National Natural Science Foundation of China(Grant Nos.61331005,61471388,and 61501503); Low profile and light weight are very important for practical applications of a spoof surface plasmon polariton（SSPP）coupler, especially at low frequencies. In this paper, we propose and design an ultra-thin, light-...; 关键词：ULTRA-THIN LIGHT-WEIGHT poof surface plasmon polariton broadside coupling

Ultra-thin circularly polarized lens antenna based on single-layered transparent metasurface被引量：1: 《Chinese Physics B》2018年第8期235-241,共7页Kaiyue Liu Guangming Wang Tong Cai Wenlong Guo Yaqiang Zhuang Gang Liu; Project supported by the National Natural Science Foundation of China(Grant No.61372034); Circularly polarized （CP） lens antenna has been applied to numerous wireless communication systems based on its unique advantages such as high antenna gain, low manufacturing cost, especially stable data transmissio...; 关键词：lens antenna ULTRA-THIN transparent Pancharatnam-Berry （PB） metasurface single-layered

Ultra-thin two-dimensional transmissive anisotropic metasurfaces for polarization filter and beam steering application: 《Chinese Physics B》2016年第10期132-138,共7页郭文龙王光明李海鹏张昆蔡通; supported by the National Natural Science Foundation of China(Grant No.61372034); We propose an anisotropic planar transmitting metasurface, which has the ability to manipulate orthogonally-polarized electromagnetic waves in the reflection and refraction modes respectively. The metasurface is compo...; 关键词：metasurface beam steering polarization beam splitter

Ultra-thin single-layer transparent geometrical phase gradient metasurface and its application to high-gain circularly-polarized lens antenna被引量：1: 《Chinese Physics B》2016年第9期332-336,共5页李唐景梁建刚李海鹏刘亚峤; Project supported by the National Natural Science Foundation of China(Grant No.61372034); A new method to design an ultra-thin high-gain circularly-polarized antenna system with high efficiency is proposed based on the geometrical phase gradient metasurface（GPGM）.With an accuracy control of the transmiss...; 关键词：geometrical phase gradient metasurface circular polarization lens antenna

Study on influences of TiN capping layer on time-dependent dielectric breakdown characteristic of ultra-thin EOT high-k metal gate NMOSFET with kMC TDDB simulations: 《Chinese Physics B》2016年第8期347-351,共5页徐昊杨红罗维春徐烨峰王艳蓉唐波王文武祁路伟李俊峰闫江朱慧珑赵超陈大鹏叶甜春; supported by the National High Technology Research and Development Program of China(Grant No.SS2015AA010601);the National Natural Science Foundation of China(Grant Nos.61176091 and 61306129);the Opening Project of Key Laboratory of Microelectronics Devices&Integrated Technology,Institute of Micro Electronics of Chinese Academy of Sciences; The thickness effect of the TiN capping layer on the time dependent dielectric breakdown（TDDB） characteristic of ultra-thin EOT high-k metal gate NMOSFET is investigated in this paper.Based on experimental results,i...; 关键词：high-k metal gate TiN capping layer TDDB interface trap density

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