TUNNELING

作品数：512被引量：576H指数：11
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相关作者：胡娟蒋敏兰王多明杨蓉张广宇更多>>
相关机构：清华大学中国科学院北京大学上海隧道工程股份有限公司更多>>
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Periodic modulation of adiabatic dynamics in non-reciprocal Landau-Zener systems
《Chinese Physics B》2025年第3期259-264,共6页Rong Chang Sheng-Chang Li 
Project supported by the National Natural Science Foundation of China(Grant Nos.12375019 and 11974273)。
The control of adiabatic dynamics is essential for quantum manipulation.We investigate the effects of both periodic modulating field and linear sweeping field on adiabatic dynamics based on a non-reciprocal Landau-Zen...
关键词：ADIABATICITY non-reciprocity Landau-Zener tunneling periodic modulation 
Modification of Maxwell model for conductivity prediction of carbon nanotubes-filled polymer composites with tunneling effect
《Applied Mathematics and Mechanics(English Edition)》2025年第1期25-36,共12页Jue ZHU Longyuan LI Ningtao ZHU 
Project supported by the National Natural Science Foundation of China(Nos.11972203 and 11572162);the Science and Technology Innovation 2025 Major Project of Ningbo City of China(No.2022Z209);Ningbo Key Technology Breakthrough Plan Project of“Science and Technology Innovation Yongjiang 2035”(No.2024Z256)。
Carbon nanotubes(CNTs)have garnered great attention in recent years due to their outstanding electrical,thermal,and mechanical properties.The incorporation of small amounts of CNTs in polymers can substantially improv...
关键词：carbon nanotube(CNT) POLYMER composite electrical conductivity TUNNELING Maxwell model 
Exploration of the best time to obtain rock structure information on the palm face during tunnel construction
《Applied Geophysics》2024年第4期820-834,881,882,共17页Zhiqiang Yan Feng Jiang Peng He Gang Wang Zhenghu Ma Chuanxin Yang Weidong Han Ruijie Zhao 
supported by the National Natural Science Foundation of China[Grant No.52079077];China Postdoctoral Science Foundation(Grant No.2022M711962)。
Rapid acquisition of rock structure information during tunnel construction is crucial for optimizing subsequent construction strategies and avoiding engineering rock disasters.In this regard,this study proposes the be...
关键词：Engineering geology Engineering surveys TUNNELING Environmental testing Dust testing 
Correlated tunneling in high-order above threshold dissociative ionization of H_(2)
《Science China(Physics,Mechanics & Astronomy)》2024年第12期24-31,共8页Xiaolei Hao Junping Wang Zhaohan Zhang Jiarui Qin Zheng Shu Chan Li Jingyu Zhang Weidong Li Feng He Jing Chen 
supported by the National Key Research and Development Program of China(Grant No.2019YFA0307700);the National Natural Science Foundation of China(Grant Nos.12274273,12304379,11925405;12304304);the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302101);the Natural and Science Foundation of Top Talent of SZTU(Grant No.GDRC202202)。
Comprehension of photon-triggered molecular processes is essential in the study of various important topics in physics,chemistry,and biology.Here we propose a correlated tunneling picture to understand the dissociativ...
关键词：molecular dissociative ionization electron-nuclear correlation intense laser field 
Prediction of rock mass classification in tunnel boring machine tunneling using the principal component analysis (PCA)-gated recurrent unit (GRU) neural network
《Deep Underground Science and Engineering》2024年第4期413-425,共13页Ke Man Liwen Wu Xiaoli Liu Zhifei Song Kena Li Nawnit Kumar 
State Key Laboratory of Hydroscience and Hydraulic Engineering of Tsinghua University,Grant/Award Number:2019-KY-03;Key Technology of Intelligent Construction of Urban Underground Space of North China University of Technology,Grant/Award Number:110051360022XN108-19;Research Start-up Fund Project of North China University of Technology,Grant/Award Number:110051360002;Yujie Project of North China University of Technology,Grant/Award Number:216051360020XN199/006;National Natural Science Foundation of China,Grant/Award Numbers:51522903,51774184;National Key R&D Program of China,Grant/Award Numbers:2018YFC1504801,2018YFC1504902。
Due to the complexity of underground engineering geology,the tunnel boring machine(TBM)usually shows poor adaptability to the surrounding rock mass,leading to machine jamming and geological hazards.For the TBM project...
关键词：gated recurrent unit(GRU) prediction of rock mass classification principal component analysis(PCA) TBM tunneling 
Quantum transport in WSe_(2)/SnSe_(2)tunneling field effect transistors with high-k gate dielectrics
《Journal of Materials Science & Technology》2024年第34期149-156,共8页Hailing Guo Zhaofu Zhang Chen Shao Wei Yu Qingzhong Gui Peng Liu Hongxia Zhong Ruyue Cao John Robertson Yuzheng Guo 
supported by the National Natural Science Foun-dation of China(Grant Nos.62174122 and U2241244);the Fun-damental Research Funds for the Central Universities(Grant No.2042023kf0116);the Science and Technology Project of China Southern Power Grid Co.,Ltd.(Grant No.GXKJXM20220095);the Hubei Key Laboratory of Electronic Manufacturing and Pack-aging Integration of Wuhan University(Grant No.EMPI2023016)。
Combining two-dimensional materials and high-k gate dielectrics offers a promising way to enhance the device performance of tunneling field-effect transistor(TFET).In this work,the device performance of WSe_(2)/SnSe_(...
关键词：Tunneling field-effect transistor High-k gate dielectrics Quantum transport calculation 
Tunneling Barrier Thickness Dependence of Spin Polarization of Ferromagnet in Magnetic Tunnel Junctions
《Chinese Physics Letters》2024年第11期93-98,共6页Yu-Qing Zhao Hai-Yan Zuo Shao-Wei Li Ke Xia Ming Wen Jun-Mei Guo Peng Xiong Cong Ren 
supported by the National Natural Science Foundation of China(Grant Nos.11774303 and 11574373);the financial support from“15th Graduate Research Innovation Project”from Yunnan University;financial support from the Joint Fund of Yunnan Provincial Science and Technology Department(Grant No.2019FY003008)。
For designing low-impedance magnetic tunnel junctions(MTJs),it has been found that tunneling magnetoresistance strongly correlates with the insulating barrier thickness,imposing a fundamental problem about the relatio...
关键词：TECHNIQUE TUNNELING POLARIZATION 
Pseudospin-filter tunneling of massless Dirac fermions
《Chinese Physics B》2024年第11期384-387,共4页Zhengdong Li Wen Zeng 
Project supported by the College Student Innovation Project(Grant No.202310299517X);the Scientific Research Project of Jiangsu University(Grant No.22A716).
The tunneling of the massless Dirac fermions through a vector potential barrier are theoretically investigated, wherethe vector potential can be introduced by very high and very thin (d-function) magnetic potential ba...
关键词：tunneling junction pseudospin filter magnetic barrier 
sp^(2) to sp^(3) hybridization transformation in 2D metal-semiconductor contact interface suppresses tunneling barrier and Fermi level pinning simultaneously
《Nano Research》2024年第11期10227-10234,共8页Wenchao Shan Anqi Shi Zhuorong Zhong Xiuyun Zhang Bing Wang Yongtao Li Xianghong Niu 
supported by China Postdoctoral Science Foundation(No.2022M711691);the National Natural Science Foundation of China(Nos.12104130 and 12304085);Six talent peaks project in Jiangsu Province(No.XCL-104);the open research fund of Key Laboratory of Quantum Materials and Devices(Southeast University);Ministry of Education(No.3207022401C3);Natural Science Foundation of Nanjing University of Posts and Telecommunications(No.NY221102).
Van der Waals (vdWs) stacking of two-dimensional (2D) materials can effectively weaken the Fermi level pinning (FLP) effect in metal/semiconductor contacts due to dangling-bond-free surfaces. However, the inherent vdW...
关键词：two-dimensional(2D)material metal-semiconductor contacts tunneling-barrier Schottky barrier density functional theory 
Coulomb focusing in attosecond angular streaking
《Light(Science & Applications)》2024年第11期2611-2619,共9页Xiaokai Li Xiwang Liu Chuncheng Wang Shuai Ben Shengpeng Zhou Yizhang Yang Xiaohong Song Jing Chen Weifeng Yang Dajun Ding 
supported by the National Natural Science Foundation of China(Grant Nos.12134005,12374260,12074240,12004133,92261201,12274179 and 12204135);the National Basic Research Program of China(No.2019YFA0307700);Hainan Provincial Natural Science Foundation(Grant Nos.122CXTD504,123MS002 and 122QN217).
Angular streaking technique employs a close-to-circularly polarized laser pulse to build a mapping between the instant of maximum ionization and the most probable emission angle in the photoelectron momentum distribut...
关键词：ANGULAR TUNNELING thereby 
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