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Ultra-low temperature anodic bonding of silicon and glass based on nano-gap dielectric barrier discharge

Journal of Central South University 2021年第2期28卷 351-360页

作者： YAO Fu-rong PAN Ming-qiang ZHU Zong-jian LIU Ji-zhu WANG Yang-jun College of Mechatronics Engineering&Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow UniversitySuzhou 215123China Jiangsu Key Laboratory for Advanced Robotics Technology Soochow UniversitySuzhou 215123China Robotics and Microsystems Center Soochow UniversitySuzhou 215123China

The article improves the process of dielectric barrier discharge(DBD)activated anode *** treated surface was characterized by the hydrophilic surface *** results showed that the hydrophilic angle was significantly reduced under nano-gap conditions and the optimal discharge voltage was 2 ***,the anodic bonding and dielectric barrier discharge activated bonding were performed in comparison experiments,and the bonding strength was characterized by tensile failure *** results showed that the bonding strength was higher under the nano-gap dielectric barrier *** process completed 110°C ultra-low temperature anodic bonding and the bonding strength reached 2 ***,the mechanism of promoting bonding after activation is also discussed.

关键词： dielectric barrier discharge anodic bonding ultra-low temperature

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D^(6h)Symmetric Radical Donor-Acceptor Nanographene Modulated Interfacial Carrier Transfer for High-Performance Perovskite Solar Cells

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CCS Chemistry 2023年第9期5卷 2159-2170页

作者： Can Wang Yifeng Gao Zhen-Lin Qiu Ping-Ping Sun Naoyuki Shibayama Zilong Zhang Qiu Xiong Fangbin Ren Shui-Yang Lien Lusheng Liang Jiaoxia Zhang Yuan-Zhi Tan Peng Gao CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Provincial Key Laboratory of NanomaterialsFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouFujian 350002 Laboratory for Advanced Functional Materials Xiamen Institute of Rare Earth MaterialsHaixi InstituteChinese Academy of SciencesXiamen 361021 University of Chinese Academy of Sciences Beijing 100049 School of Materials Science and Engineering Jiangsu University of Science and TechnologyZhenjiang 212003 Collaborative Innovation Center of Chemistry for Energy Materials State Key Laboratory for Physical Chemistry of Solid SurfacesEngineering Research Center for Nano-Preparation Technology of Fujian ProvinceDepartment of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005 Department of Chemistry School of ScienceHainan UniversityHaikou 570228 Faculty of Biomedical Engineering Graduate School of EngineeringToin University of YokohamaYokohamaKanagawa 225-8503 Xiamen University of Technology Xiamen 361024

Imbalanced charge-carrier extraction remains an issue aggravating interfacial charge accumulation and *** hopping transport channels could accelerate the extraction of ***,we demonstrated an effective“bridging interface”strategy between the perovskite/2,2′,7,7′-tetrakis(N,N-di-pmethoxyphenylamine)-9,9′-spirobifluorene(spiro-OMeTAD)that modulates interfacial charge transfer and improves hole mobility using radical-containing donor-acceptor nanographenes(D-A NGs)possessing electron-deficient perchlorinated NGs and electron-rich aniline *** fully delocalized backbone of nanographene formed a conjugated bridge for intermolecular charge transfer and generated stable radical cations,verified by electron spin *** andπ-πstacking orientation of D-A NGs also provided advantageous hopping transport *** favorable charge transfer within D-A NGs,systematic explorations indicated a strong interface coupling and noticeable charge transfer across the D-A NGs and perovskite interface,where electrons would flow from D-A NGs to perovskite,and holes would flow from perovskite to D-A ***,the hole mobility of spiro-OMeTAD was also enhanced because the D-A NGs would diffuse into the spiro-OMeTAD *** a result,planar n-i-p perovskite solar cellsmodified byD-ANG-OMe/D-ANG-tBudeliveredchampion power conversion efficiencies(PCEs)of 23.25%and 23.51%,respectively.

关键词： perovskite solar cell radicals donor-acceptor nanographene hole mobility interfacial charge transfer

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Proximal and remote sensing in plant phenomics: 20 years of progress, challenges, and perspectives

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Plant Communications 2022年第6期3卷 135-173页

作者： Haiyu Tao Shan Xu Yongchao Tian Zhaofeng Li Yan Ge Jiaoping Zhang Yu Wang Guodong Zhou Xiong Deng Ze Zhang Yanfeng Ding Dong Jiang Qinghua Guo Shichao Jin Plant Phenomics Research Centre Academy for Advanced Interdisciplinary StudiesNational Engineering and Technology Center for Information AgricultureCollaborative Innovation Centre for Modern Crop Production co-sponsored by Province and MinistryNanjing Agricultural UniversityAddress:No.1 WeigangXuanwu DistrictNanjing 210095China The Key Laboratory of Oasis Eco-agriculture Xinjiang Production and Construction CorpsAgriculture CollegeShihezi UniversityShihezi 832003China Hainan Yazhou Bay Seed Laboratory Sanya 572025China State Key Laboratory of Crop Genetics and Germplasm Enhancement National Center for Soybean ImprovementKey Laboratory for Biology and Genetic Improvement of Soybean(GeneralMinistry of Agriculture)Nanjing Agricultural UniversityNanjing 210095China Sanya Research Institute of Nanjing Agriculture University Sanya 572024China Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China Institute of Ecology College of Urban and Environmental SciencePeking UniversityBeijing 100871China Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology International Institute for Earth System SciencesNanjing UniversityNanjingJiangsu 210023China

Plant phenomics(PP)has been recognized as a bottleneck in studying the interactions of genomics and environment on plants,limiting the progress of smart breeding and precise ***-throughput plant phenotyping is challenging owing to the spatio-temporal dynamics of *** and remote sensing(PRS)techniques are increasingly used for plant phenotyping because of their advantages in multi-dimensional data acquisition and *** progress of PRS applications in PP has been observed over the last two decades and is analyzed here from an interdisciplinary perspective based on 2972 *** progress covers most aspects of PRS application in PP,including patterns of global spatial distribution and temporal dynamics,specific PRS technologies,phenotypic research fields,working environments,species,and ***,we demonstrate how to link PRS to multi-omics studies,including how to achieve multi-dimensional PRS data acquisition and processing,how to systematically integrate all kinds of phenotypic information and derive phenotypic knowledge with biological significance,and how to link PP to multi-omics association ***,we identify three future perspectives for PRS-based PP:(1)strengthening the spatial and temporal consistency of PRS data,(2)exploring novel phenotypic traits,and(3)facilitating multi-omics communication.

关键词： plant phenomics remote sensing phenotyping phenotypic traits multi-omics breeding precision cultivation

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Reducing Reliance on Expensive Annotations in Medical Image Segmentation Via Diffusion Models and Segment Anything Model

SSRN

引用

SSRN 2024年

作者： Lin, Zhouwei Tu, Juan Wu, Jun Department of Mechanics and Engineering Science College of Engineering Peking University Beijing100871 China Department of Physics Collaborative Innovation Center of Advanced Microstructure Nanjing University Nanjing210093 China Department of Geriatric Cardiology Jiangsu Provincial Key Laboratory of Geriatrics The First Affiliated Hospital of Nanjing Medical University 300 Guangzhou Rd Nanjing210029 China

Medical semantic segmentation stands as one f the most challenging tasks in the field of computer vision. The inherent unevenness in image data distribution, coupled with the substantial expense of pixel-level annotation for medical images, has long hindered advancements in medical segmentation model efficacy. In this work, we unveil the potential of synthetic data to enhance segmentation model performance. Leveraging a diffusion model, we generate synthetic medical images and employ the SAM model alongside DenseCRF post-processing techniques to produce finely annotated segmented images. Integrating synthetic data significantly boosts segmentation accuracy compared to relying solely on real datasets. Our approach substantially alleviates the dependency on expensive pixel-level annotations and mitigates issues stemming from uneven data distribution. © 2024, The Authors. All rights reserved.

关键词： Semantic Segmentation

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Large Anomalous Hall Effect in a Noncoplanar Magnetic Heterostructure

arXiv

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arXiv 2025年

作者： Song, Anke Zhang, Jine Chen, Yequan Zhang, Zhizhong Cheng, Xinjuan Xu, Ruijie Zhuang, Wenzhuo Sun, Wenxuan Zhang, Yong Zhang, Xu Chen, Zhongqiang Song, Fengqi Zhang, Yue Zhai, Xuechao Xu, Yongbing Zhao, Weisheng Zhang, Rong Wang, Xuefeng Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic Materials State Key Laboratory of Spintronics Devices and Technologies School of Electronic Science and Engineering Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing210093 China School of Integrated Circuit Science and Engineering Beihang University Beijing100191 China MIIT Key Laboratory of Semiconductor Microstructures and Quantum Sensing School of Physics Nanjing University of Science and Technology Nanjing210094 China National Laboratory of Solid State Microstructures School of Physics Nanjing University Nanjing210093 China Atom Manufacturing Institute Nanjing211806 China Department of Physics Xiamen University Xiamen361005 China

The anomalous Hall effect (AHE) occurs in magnetic systems and also unexpectedly in non-magnetic materials adjacent to magnetic insulators via the heterointerface interactions. However, the AHE in heterostructures induced by magnetic proximity effect remains quite weak, restricting their practical device applications. Here, we report a large intrinsic AHE with a resistivity of 114 nΩ cm at 5 K in noncoplanar magnetic heterostructures of Cr5Te6/Pt. This is the record-high AHE value among all the magnetic insulators/heavy metal heterostructures. A reversal of the AHE signal occurs due to the reconstruction of Berry curvature at the Fermi level, which is verified by the first-principles calculations. Topological spin textures at the interface are directly visualized via high-magnetic-field magnetic force microscopy, which accounts for the large AHE, as confirmed by the atomic simulations. These findings open a new avenue for exploring the large AHE in heterointerfaces and facilitate the potential applications in topological spintronic devices. © 2025, CC BY.

关键词： Spin Hall effect

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Source and origin of the interfacial Dzyaloshinskii-Moriya interaction in a heavy-metal|magnetic-insulator bilayer

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Physical Review B 2022年第18期105卷 184417-184417页

作者： S. Y. Xia T. Feng B. Yang G. Liu Y. Z. Tian P. Wang X. G. Wan B. G. Wang D. Wu National Laboratory of Solid State Microstructures Jiangsu Provincial Key Laboratory for Nanotechnology and Department of Physics Nanjing University Nanjing 210093 Peoples Republic of China College of Mathematics and Physics and Advanced Optoelectronic Materials and Technologies Engineering Laboratory of Shandong Qingdao University of Science and Technology Qingdao 266061 Peoples Republic of China Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing 210093 Peoples Republic of China

The interfacial Dzyaloshinskii-Moriya interaction (iDMI) was observed in the bilayer consisting of a heavy metal and a ferromagnetic insulator such as Pt|Tm3Fe5O12 (TIG), but the source and origin are still controversial. Here, we quantitatively investigate the iDMI strength in Pt|TIG by inserting a thin Y3Fe5O12 layer and/or a thin Cu layer between Pt and TIG. Our results suggest the iDMI contributed by both the Pt|TIG and the TIG|substrate interfaces. At the Pt|TIG interface, we find that Pt is essential for the strong iDMI. The disentangled iDMIs for Fe-Fe and Tm-Fe pairs are comparable, revealing that the Tm ions provide not only an additional Tm-Fe iDMI, but also the spin-orbit coupling to enhance the iDMI. At the TIG|substrate interface, the iDMI is attributed to the lattice-mismatch-induced deformation of the electron cloud for the ferromagnetic ions.

关键词： Dzyaloshinskii-Moriya interaction Magnetotransport Magnetic insulators Thin films

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Crack-based and Hair-like Sensors Inspired from Arthropods:A Review

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Journal of Bionic Engineering 2020年第5期17卷 867-898页

作者： Changchao Zhang Junqiu Zhang Daobing Chen Xiancun Meng Linpeng Liu Kejun Wang Zhibin Jiao Tao Sun Dakai Wang Shichao Niu Zhiwu Han Luquan Ren Key Laboratory of Bionic Engineering(Ministry of Education China)Jilin UniversityChangchun 130022China State Key Laboratory of Automotive Simulation and Control Jilin UniversityChangchun 130022China State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China School of Mechanical and Electric Engineering Jiangsu Provincial Key Laboratory of Advanced RoboticsSoochow UniversitySuzhou 215123China

Over a long period of time,arthropods evolve to have two excellent mechanical sensilla of slit sensilla and trichobothria sensilla,which construct a perfect perception *** former mainly perceives the change of the in-the-plane force while the latter perceives that of the out-of-plane *** recent years,these two sensilla have attracted researchers as the models for developing artificial mechanical *** review mainly includes the biomechanics and biomimetic manufacturing techniques as well as their future application *** order to better understand the advantages of biological strategies,this review describes the morphology,mechanical analysis,and information recognition of slit sensilla and trichobothria *** this review highlights the recent development of Crack-based Sensors(CBSs)and Hair-like Sensors(HLSs)based on the analysis of biological *** manufacturing method and substrate of crack in CBS and those of hair rods in HLS are discussed ***,the practical applications and potential value of two sensilla,such as flexible wearable electronic devices,robot sensing system,autopilot sensing and wind tunnel speed detection,are briefly discussed.

关键词： crack-based sensors hair-like sensors slit sensilla trichobothria sensilla bioinspiration

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Gate-Tunable Spin-to-Charge Conversion in Topological Insulator-Magnetic Insulator Heterostructures at Room Temperature

arXiv

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arXiv 2025年

作者： Sun, Wenxuan Chen, Yequan Xu, Ruijie Zhuang, Wenzhuo Wang, Di Liu, Long Song, Anke Xing, Guozhong Xu, Yongbing Zhang, Rong Chang, Cui-Zu Wang, Xuefeng Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic Materials State Key Laboratory of Spintronics Devices and Technologies School of Electronic Science and Engineering Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing210093 China Institute of Microelectronics Chinese Academy of Sciences Beijing100029 China University of Chinese Academy of Sciences Beijing100049 China Department of Physics Xiamen University Xiamen361005 China Department of Physics The Pennsylvania State University University ParkPA16802 United States Atom Manufacturing Institute Nanjing211806 China

Over the past decade, topological insulators have received enormous attention for their potential in energy-efficient spin-to-charge conversion, enabled by strong spin-orbit coupling and spin-momentum locked surface states. Despite extensive research, the spin-to-charge conversion efficiency, usually characterized by the spin Hall angle (θSH), remains low at room temperature. In this work, we employed pulsed laser deposition to synthesize high-quality ternary topological insulators (Bi0.1Sb0.9)2Te3 thin films on magnetic insulator Y3Fe5O12. We find that the value of θSH reaches ~0.76 at room temperature and increases to ~0.9 as the Fermi level is tuned to cross topological surface states via electrical gating. Our findings provide an innovative approach to tailoring the spin-to-charge conversion in topological insulators and pave the way for their applications in energy-efficient spintronic devices. © 2025, CC BY.

关键词： Topological insulators

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Realizing room-temperature ferromagnetism in metal-free graphene through vacancy-assisted hydrogenation

Chain

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Chain 2025年第1期2卷 72-80页

作者： Yongjie Xu Dingyi Yang Yu Zhang Gongkai Yuan Yici Zou Zhibo Zhang Yong Wang Yizhang Wu School of Education Jiangsu Open UniversityNanjing 210036China National Laboratory of Solid-State Microstructures Collaborative Innovation Center of Advanced Microstructuresand Jiangsu Provincial Key Laboratory for NanotechnologyNanjing UniversityNanjing 210093China Wide Bandgap Semiconductor Technology Disciplines State Key Laboratory School of MicroelectronicsAcademy of Advanced Interdisciplinary ResearchXidian UniversityXi’an 710071China Department of Physics Shaanxi University of Science and TechnologyXi’an 710021China Department of Applied Physical Sciences The University of North Carolina at Chapel HillChapel HillNC 27514USA Graduate School of Arts and Sciences Georgetown UniversityWashingtonDC 20057USA Department of Computer science and Engineering Michigan State UniversityEast LansingMI 48824USA Institute of Materials Engineering Nanjing UniversityNantong 226019China

Room-temperature ferromagnetism in graphene is a crucial step toward the practical application of spintronic *** hydrogen adsorption on graphene has been shown to induce magnetic moments,the overall efficiency remains low due to the clustering of hydrogen atoms and weak magnetic *** study demonstrates a highly effective vacancy-assisted hydrogenation method to synthesize hydrogenated graphene(HG)with robust room-temperature *** introduction of vacancies inhibits hydrogen clustering,increases magnetic edge atoms,and enhances the coupling between magnetic *** a result,HG exhibits a Curie temperature of 540 K and a saturation magnetization of 0.69 emu/g at 300 *** findings provide a new approach for the efficient hydrogenation of graphene,paving the way for its applications in spintronic devices.

关键词： graphene ferromagnetic hydrogenation vacancy-assisted room-temperature

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Ultrafast Magnetization Precession in Perpendicularly Magnetized L10-MnAl Thin Films with Co2 MnSi Buffer Layers

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Chinese Physics Letters 2020年第5期37卷 110-114页

作者： Si-Wei Mao Jun Lu Long Yang Xue-Zhong Ruan Hai-Long Wang Da-Hai Wei Yong-Bing Xu Jian-Hua Zhao State Key Laboratory of Superlattices and Microstructures Institute of SemiconductorsChinese Academy of SciencesBeijing 100083 Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100190 Beijing Academy of Quantum Information Science Beijing 100193 Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic Materials Collaborative Innovation Center of Advanced MicrostructuresSchool of Electronic Science and EngineeringNanjing UniversityNanjing 210093

Perpendicularly magnetized L10-MnAl thin films with Co2 MnSi bufer layers were prepared on GaAs(001)substrates by molecular-beam epitaxy(MBE).The samples with high crystalline quality show a maximum uniaxial perpendicular magnetic anisotropy constant of 1.4×10^7 erg/cm^*** spin dynamics with a magnetization precession frequency up to 200 GHz was investigated by using time-resolved magneto-optical Kerr effect(TRMOKE)measurements,from which the Gilbert damping constantαof epitaxial L10-MnAl thin films is evaluated to be less than *** work provides an important reference for analyzing the current-induced magnetization switching process in MnAl-based spintronic devices.

关键词： magnetization Gilbert anisotropy

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