A5100348930- Superconducting Materials and Applications
- Physics of Superconductivity and Magnetism
- Iron-based superconductors research
- Magnetic confinement fusion research
- Particle accelerators and beam dynamics
- 3D IC and TSV technologies
- Semiconductor materials and devices
- Superconductivity in MgB2 and Alloys
- Rare-earth and actinide compounds
- Advanced Memory and Neural Computing
- Electronic Packaging and Soldering Technologies
- Advanced Fiber Optic Sensors
- Particle Accelerators and Free-Electron Lasers
- Ferroelectric and Negative Capacitance Devices
- Magneto-Optical Properties and Applications
- Photonic and Optical Devices
- Advancements in Semiconductor Devices and Circuit Design
- 2D Materials and Applications
- Engineering Applied Research
- Acoustic Wave Phenomena Research
- Noise Effects and Management
- Quantum-Dot Cellular Automata
- Ultrasonics and Acoustic Wave Propagation
- Topological Materials and Phenomena
- Copper Interconnects and Reliability
Shanghai Institute of Microsystem and Information Technology
2019-2024
Chinese Academy of Sciences
2018-2024
Institute of Plasma Physics
2018-2024
Oriental Yuhong (China)
2024
Hefei Institutes of Physical Science
2022-2024
Liaoning Technical University
2024
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2024
CEA Cadarache
2024
Advanced Materials and Devices (United States)
2024
Yanshan University
2024
Interconnection of carbon-nanotube (CNT)-filled through-silicon vias is demonstrated through an easy-to-implement process based on mechanical fastening. Direct CNT-to-CNT and CNT-to-Au contacts are realized at the microscale, their specific contact resistances extracted from electrical measurements approximately 1.2 × 10−3 Ω cm2 4.5 10−4 cm2, respectively. Detailed facts importance to specialist readers published as "Supporting Information". Such documents peer-reviewed, but not copy-edited...
The 12442-type Fe-based superconductor is the only system that possesses two FeAs layers between neighboring insulating layers, which worth in-depth investigations. In this work, millimeter-sized single crystals of KCa2Fe4As4F2 were grown using a self-flux method. chemical compositions and crystal structure characterized carefully. Superconductivity with critical transition Tc = 33.5 K was confirmed by both resistivity magnetic susceptibility measurements. Moreover, upper field Hc2 studied...
The fan-out package is designed to provide increased I/O density within a reduced form factor at lower cost, as well good electrical performance and heterogeneous integration capabilities, which has gained significant attention in recent years. However, warpage control during manufacturing process key character for packages. This paper focuses on the prediction optimization of embedded silicon (eSiFO) wafer-level package. An extended theoretical calculation model applied demonstrated,...
Electromigration failure locations in three-dimensional (3D) interconnect structures with high-aspect-ratio through silicon vias, (TSVs, Φ5 × 50 µm2) connected to 40-µm-pitch CuSn solder joints have been identified using test which were designed avoid failures the back-end-of-line (BEOL). The resistance of TSV and bump connections showed a continuous increase until failure. For without connection, where only re-distributed line (RDL) electrically connected, remained constant prior final From...
We present a systematic study of electrical resistivity, Hall coefficient, magneto-optical imaging, magnetization, and STEM analyses KCa${_2}$Fe${_4}$As${_4}$F${_2}$ single crystals. Sharp diamagnetic transition imaging reveal homogeneity crystal prominent Bean-like penetrations vortices. Large anisotropy with ${\rho _c / \rho _{ab}}$ > 100, semiconductor-like _c}$ suggest that the electronic state is quasi two-dimensional. effect measurements indicate multiband system holes as main...
In this article, the impact of intrinsic process fluctuations on reconfigurable field-effect transistor (RFET) is investigated for first time. Three kinds fluctuation sources, including line edge roughness (LER), gate (GER), and work-function variation (WFV), are performed in RFET using MATLAB 3-D TCAD. The ON-state current ION due to LER presents a weak correlation with that OFF-state IOFF. Performance caused by GER mainly attributed control GER. WFV source dominates variations...
Broadband infrared photodetectors based on two-dimensional (2D) materials which are the research focus in field, have wide applications remote sensing, thermal imaging, and astronomy observation. In this article, photodetector 2D ferromagnetic material CoSe is studied at room temperature, demonstrating air-stable, broadband, up to long wavelength properties. The applied for first time. synthesized by using chemical vapor deposition method. size of as-grown 71.8 μm. photoresponse ranges from...
A new processing architecture for semiconductor nanowire grid fabrics is presented. The system consists of a large number functionally identical units called cells. Cells are locally interconnected with nearest neighbors, limited global signals routed from supporting CMOS circuitry. One possible implementation digital cellular neural network (CNN) using this shown. design may be up to 27times denser than an equivalent 18 nm implementation. system, based on collective computation model, also...
The impact of urban traffic on human health is significant. This research conducts field measurements in Guangzhou, China, focusing a building situated near subgrade roads and viaducts to investigate the characteristics airborne structure-borne noise generated by these infrastructures. analysis involves use both sound pressure level overall level, as well an examination transfer function between outdoor indoor levels. findings indicate that traffic-related demonstrates characteristic...
High-temperature superconducting current leads (HTSCLs) are critical components in the China's Experimental and Advanced Superconducting Tokamak China Fusion Engineering Test Reactor, known for their slow quench propagation speed weak signals. Traditionally, detection is primarily performed using voltage measurements. However, real operational environment presents complex electromagnetic signal interference, rendering signals unreliable detection. To address this issue, we have adopted a...
High-temperature superconductor (HTS) current leads are important components of the EAST and CFETR tokamaks, which responsible for operating high parametric current. HTS made Bi-2223/Ag-Au alloy tapes, have characteristics slow quench propagation speed weak signal. Traditional thermometers easily damaged by voltage from leads, terminal signal cannot reflect hot spot changes in real time. In this paper, a novel detection method based on optical frequency domain reflection technology is...
Work-function modulation in a reconfigurable field-effect transistor (RFET) is investigated by 3-D TCAD simulations. A significant work-function dependence found the critical electrical performances of RFET. The results show that ON-state drive current ION mainly dominated control gate (CG) and source work function, while OFF-state leakage IOFF program drain function. With workfunction regulation, more flexible characteristics among both n- p-type configurations can be obtained, an RFET with...
Nanoscale computing systems show great potential but at the same time introduce new challenges not encountered in world of conventional CMOS designs and manufacturing. For example, these need to work around layout doping constraints resulting from bottom-up self-assembly manufacturing, cope with high manufacturing defect rates transient faults. Unfortunately, most defect-tolerance techniques are directly applicable nanoscale because they have been designed for very small rates. In this...
An investigation into the intrinsic process variations including random dopant fluctuation (RDF), interface trap fluctuation, work-function variation (WFV) and oxide thickness was undertaken in a vertically stacked gate-all-around nanowire transistor. The of electrical characteristics induced by different sources discussed. impact on static access memory (SRAM) also studied. On-state current could be affected RDF source drain region standard deviation can reach 17.2% median. WFV cause...
The China fusion engineering test reactor is a new tokamak device. central solenoid (CS) model coil, which responsible for developing and verifying the key manufacturing methods of superconducting magnet, now under design. rating current coil 47.65 kA total magnetically stored energy reaches 407 MJ, so quench protection required to discharge this huge energy. This paper gives description CS coil. circuit system designed, consists direct breaker, resistor, diode, fuse. main parameters these...
The Central Solenoid Model Coils (CSMC) project (2014 to 2018), a part of the National Magnetic Confinement Fusion Science Program, is being developed by China independently under one largest research and development activities Engineering Test Reactor (CFETR), demonstrating validating engineering design criteria CFETR central solenoid (CS) coil. expected achievement charge coil up operation current 47.3 kA maximum magnetic field 12 T with swift rump rate 1.5 T/s without quench. quench...
$2M\ensuremath{-}{\mathrm{WS}}_{2}$ is a newly discovered superconductor with rather high critical transition temperature $({T}_{c}=8.8\phantom{\rule{4pt}{0ex}}\mathrm{K})$ and topological surface states. Recently Majorana bound states were observed in magnetic vortices of this material. Thus uncovering the flux dynamics essential to further promote physical understanding its practical application quantum computation. Here we report an in-depth investigation on issue by temperature-...
We report the critical current density (Jc) and vortex pinning properties in single crystals of a novel iron-based superconductor (IBS) KCa2Fe4As4F2 with large Jc pristine state, before after introduction artificial defects by swift-particle irradiation. The effects 2.6 GeV U 3 MeV proton irradiations on transition temperature Tc Jc, including its dose dependence, are systematically studied. Jc~8 MA/cm2 under self-field at 2 K crystal is strongly enhanced up to 19.4 17.5 irradiation U-ions...
Abstract Guo, Alexandradinata, et al. have recently proposed that quantum-oscillation frequencies from Dirac/Weyl fermions exhibit a negative shift proportional to T 2 because of the energy dependence effective mass peculiar linear band-dispersion. We measured Shubnikov–de Haas oscillation in CaFeAsF up = 9 K. The frequency α Dirac electron exhibits with increasing , while β Schrödinger hole does not. For ⩾ 5 K where is negligible, -frequency and its rate agrees theoretical prediction within...