A5100449846- Fusion materials and technologies
- Magnetic confinement fusion research
- Advanced Condensed Matter Physics
- Neutrino Physics Research
- Rare-earth and actinide compounds
- Magnetic and transport properties of perovskites and related materials
- Laser-Plasma Interactions and Diagnostics
- Particle physics theoretical and experimental studies
- Physics of Superconductivity and Magnetism
- High Temperature Alloys and Creep
- Iron-based superconductors research
- Aluminum Alloy Microstructure Properties
- Superconducting Materials and Applications
- Nuclear Materials and Properties
- Nuclear reactor physics and engineering
- Particle accelerators and beam dynamics
- Astrophysics and Cosmic Phenomena
- Quantum Chromodynamics and Particle Interactions
- Solidification and crystal growth phenomena
- Advanced Chemical Physics Studies
- 2D Materials and Applications
- Graphene research and applications
- Perovskite Materials and Applications
- Black Holes and Theoretical Physics
- Phytase and its Applications
Shandong University of Technology
2025
Shandong University
2024-2025
Dalian University of Technology
2020-2024
Qingdao University of Science and Technology
2024
Hefei University
2024
State Key Laboratory of Nuclear Physics and Technology
2022
Chinese Academy of Sciences
2015-2022
Brookhaven National Laboratory
2019-2022
Harbin Institute of Technology
2022
Hefei National Center for Physical Sciences at Nanoscale
2022
A non-local Hall bar geometry is used to detect neutral-current effects in graphene on silicon dioxide. Disorder tuned by the addition of Au or Ir adatoms ultra-high vacuum. reproducible effect found both as-fabricated and adatom-decorated graphene. The angle exhibits a complex but dependence gate voltage disorder, notably breaks electron-hole symmetry. An exponential length between inverse-Hall probes indicates neutral current relaxation approximately 300 nm. short lack precession parallel...
The transition magnetic moment between active and sterile neutrinos is theoretically well-motivated scenario beyond the Standard Model, which can be probed in cosmology, astrophysics, at terrestrial experiments. In this work, we focus on latter by examining such an interaction proposed lepton colliders. Specifically, addition to revisiting LEP, consider CEPC, FCC-ee, CLIC, muon collider, motivated potential realization of any them. Within effective field theory framework, present parameter...
Abstract To demonstrate the performance of tungsten (W) as divertor target material and to solve power handling problem during high long-pulse discharge, upgrade EAST lower is planned. In this work, physical design W presented by using 2D edge plasma code SOLPS Monte Carlo impurity transport DIVIMP. The optimized geometry proposed after systematic examination shapes, slant angles pump opening locations. designed further assessed seeding. By comparing medium discharges with argon (Ar)...
Electrical control of magnetism two-dimensional (2D) antiferromagnetic (AFM) materials combines the advantages controlling by purely electrical means, compatibility with semiconductor process, low energy consumption, heterogeneous integration 2D van der Waals (vdW) interface, and AFM no stray field, resistance to external magnetic field interference, high intrinsic frequency, thus becomes a research focus in field. The carrier concentration is main mechanism magnetism, has been proved be an...
Abstract Mitigating tungsten (W) wall erosion and core accumulation are vitally important for the steady-state operation of tokamaks. It is well known that drifts have a great impact on transport charged particles in edge region, which could affect W source impurity transport. In this work, SOLPS-ITER modeling applied to study behavior EAST during neon seeding with consideration E × B drift. The objective establish relationship between eroded flux, corresponding different discharge regimes....
Abstract Uranium compounds can manifest a wide range of fascinating many-body phenomena, and are often thought to be poised at crossover between localized itinerant regimes for 5 f electrons. The antiferromagnetic dipnictide USb 2 has been recent interest due the discovery rich proximate phase diagrams unusual quantum coherence phenomena. Here, linear-dichroic X-ray absorption elastic neutron scattering used characterize electronic symmetries on uranium in isostructural UBi . Of these two...
A new type of Ni–Co based superalloy was prepared by vacuum induction melting (VIM), and the effects superheat on element distribution, dendrite segregation, solidification microstructure refinement are revealed. The effect structure treatment under different conditions quantitatively studied differential scanning calorimetry (DSC), electron microscope (SEM), probe micro analyzer (EPMA). results indicated that nucleation undercooling increased crystallization temperature interval decreased...
Abstract The effect of drifts combined with pumping on particle exhaust is assessed using the SOLPS-ITER code package, considering full drifts. Both drift and speed S can affect exhaust. Drifts change neutral density by influencing plasma flow resulting recycling. This leads to accumulation particles either far away or close pump opening location. enhanced as rises. When positioned at common flux region (CFR) outer divertor (referred Pump CFR/OD), suppressed in forward B t , while it...
A deformed superalloy with γ′ content reaching 73% has been designed by ourselves. In this work, the problems of preparation and deformation caused high phase were solved electron beam smelting layered solidification technique (EBS-LST) hot extrusion. Initially, low segregation fine microstructure was prepared EBS-LST, followed conducting experiments at different temperatures strain rates. The compression curves are corrected, constitutive model, recrystallization models thermo-mechanical...
The transport as well accumulation of tungsten (W) impurity is one the critical issues for W divertor operation. EAST tokamak with and graphite targets, provides a good platform investigation behaviors. In this work, production, impurities are simulated via SOLPS-DIVIMP modeling. plasma background obtained by SOLPS simulations, while sputtering yield calculated empirical formula, following traced using DIVIMP code. source mainly contributed incidence carbon (C) in simulation. distribution...
We have studied the doping-driven orbital-selective Mott transition in multi-band Hubbard models with equal band width presence of crystal field splitting. Crystal splitting lifts one bands while leaving others degenerate. use single-site dynamical mean-field theory combined continuous time quantum Monte Carlo impurity solver to calculate a phase diagram as function total electron filling N and Δ. find large region when doping is enough. Further analysis indicates that driven stabilized by...
Abstract To address the issues of mitigation and control heat loads on divertor target, a snowflake (SFD) has been proposed HL-2M tokamak. In this work, simulations have performed by using SOLPS-ITER to demonstrate advantages SFD plasma detachment impurity screening during seeding. Firstly, neon (Ne) argon (Ar) seeding are chosen for comparison in SFD. It is found that Ar significantly mitigates in-out asymmetry compared with Ne seeding, mainly high rate cases. The capabilities conspicuously...
Tungsten (W) impurity transport and the corresponding core W accumulation is a critical issue in tokamak with as plasma facing material. In this work, kinetic code based on guiding center approximation applied for study. The background simulation mesh are provided by 2D fluid SOLPS. new can simulate creation of boundary region tokamak. moves two directions: parallel determined forces such friction force ion temperature gradient force, radial dominated anomalous transport. benchmarked against...
The weakly correlated nature of 5d oxide SrIrO3 determines its rare ferromagnetism, and the control magnetic order is even less studied. Tailoring structure distortion currently a main route to tune iridates, but only for spatially confined insulating counterparts. Here, we have realized ferromagnetic in metallic by construction SrIrO3/ferromagnetic-insulator (LaCoO3) superlattices, which reveal giant coercivity ∼10 T saturation field ∼25 with strong perpendicular anisotropy. Curie...
Abstract The new lower tungsten divertor of EAST uses a right-angle shape consisted by horizontal and vertical targets, which has the capacity increasing closure. strike point (SP) sweeping experiment is carried out to (1) avoid long-term deposition particle heat flux at same location, thus protecting target, (2) study dependence power control capability on SP location. energy densities target depends strongly their decay width. Therefore, it important know how location influences outer (OT)...
Marcasite crystal structures show an interesting interplay of spin, orbital, and lattice degrees freedom host properties relevant for applications fundamental science. Electronic correlations that arise in this context are critical tuning conductivity which is interest electrochemical reactions catalysis but also important to understand high values cryogenic thermopower materials with 3d orbitals related classical rare earth Kondo semiconductors. Here we show, by magnetic susceptibility,...
Abstract The density shoulder at the midplane may influence core plasma confinement during H-mode discharge, thus affecting long-pulse steady-state discharge. Drifts in edge play a remarkable role transport and divertor operation regime, which determine formation (DSF). In this work, SOLPS-ITER code package is used to evaluate of full drifts on DSF poloidal radial coordinates. An open DIII-D-like geometry with weak neutral compression chosen for modeling. Cases without drifts, only E × B...
The particle transport in divertor region of current size tokamak can be affected by electric field (E) significantly through the E×B drift. plasma current, which is associated with drifts closely, affects E. In this work, SOLPS-ITER code package used to evaluate influence regime, toroidal magnetic Bt direction on as well plasma. It found that poloidal (jx) dominated parallel while radial (jy) mainly consists diamagnetic and ion-neutral friction near target. regime plays an important role...