Weiyuan Ni
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View article: Hydrogen ion-induced surface damage of copper grids in RF ion sources for fusion NBI
Hydrogen ion-induced surface damage of copper grids in RF ion sources for fusion NBI Open
During the operation of extracting hydrogen ions in NBI RF ion systems, the plasma grid is exposed to prolonged irradiation with low-energy hydrogen ions, leading to surface damage. In this study, a hydrogen plasma environment is construct…
View article: The Roles of Fuzzy W Surfaces in Avoiding W Cracking During Elms-Like Heat Loads
The Roles of Fuzzy W Surfaces in Avoiding W Cracking During Elms-Like Heat Loads Open
View article: <i>E. Coli</i> inactivation by humidified air barrier discharge plasmas and the chemical stability of amino acids
<i>E. Coli</i> inactivation by humidified air barrier discharge plasmas and the chemical stability of amino acids Open
In this study, we use atmospheric air dielectric barrier discharge (DBD) plasma to inactivate E. coli ( E. coli ) by changing the air humidity levels. In order to analyze the inactivation process of E. coli during the humidified air DBD pl…
View article: Temperature-dependent bubble growth under synergistic interactions of hydrogen and helium in tungsten
Temperature-dependent bubble growth under synergistic interactions of hydrogen and helium in tungsten Open
A novel theoretical model based on modified diffusion rate equations is proposed to simulate the retention of hydrogen isotopes and the dynamics of bubble growth in tungsten (W) when exposed to simultaneous hydrogen (H) and helium (He) pla…
View article: Reactive oxygen and nitrogen species (RONS) solubility controlled activation of water by atmospheric pressure air spark discharge
Reactive oxygen and nitrogen species (RONS) solubility controlled activation of water by atmospheric pressure air spark discharge Open
The activation of water by the atmospheric pressure air plasma is involved in the diffusion of reactive oxygen and nitrogen species (RONS) in air and water, their gas-phase and liquid-phase reactions, and their dissolution and evaporation.…
View article: Initial growth of tungsten fuzz induced by bubble-driven surface stress layer under helium irradiation
Initial growth of tungsten fuzz induced by bubble-driven surface stress layer under helium irradiation Open
Low-energy, high-flux He exposure to tungsten (W) surface leads to the formation of surface nanostructures and severe morphological changes, which may eventually erode the W divertor and threaten the operation of the reactor. In this study…
View article: The Spatio-Temporal Evolution of Laser-Induced Initial Plasma in Rf ICP Source for Cfetr Nbi
The Spatio-Temporal Evolution of Laser-Induced Initial Plasma in Rf ICP Source for Cfetr Nbi Open
View article: Temperature Dependence of Surface Microstructure of 316l Stainless Steel Exposed to Low-Energy Hydrogen Ion Irradiation
Temperature Dependence of Surface Microstructure of 316l Stainless Steel Exposed to Low-Energy Hydrogen Ion Irradiation Open
View article: The evolution of hydrogen bubbles during ion irradiation and annealing in molybdenum for neutral beam injection inductively coupled plasma source
The evolution of hydrogen bubbles during ion irradiation and annealing in molybdenum for neutral beam injection inductively coupled plasma source Open
View article: The Growth of Hydrogen Bubbles in Molybdenum for Nbi ICP Source
The Growth of Hydrogen Bubbles in Molybdenum for Nbi ICP Source Open
View article: Langmuir probe measurements of an RF driven high-density inductively coupled argon plasma
Langmuir probe measurements of an RF driven high-density inductively coupled argon plasma Open
In this paper, a high-density inductively coupled argon plasma was generated by an RF power supply, and the plasma density, electron temperature, and plasma potential were measured by a Langmuir probe. It was found that the plasma density,…
View article: Tunable single-photon diode by chiral quantum physics
Tunable single-photon diode by chiral quantum physics Open
We investigate the single photon scattering by an emitter chirally coupled to a one-dimensional waveguide. The single-photon transport property is essentially different from the symmetrical coupling case. The single photons propagating tow…
View article: Surface degeneration of W crystal irradiated with low-energy hydrogen ions
Surface degeneration of W crystal irradiated with low-energy hydrogen ions Open
The damage layer of a W (100) crystal irradiated with 120 eV hydrogen ions at a fluence of up to 1.5 × 10 25 /m 2 was investigated by scanning electron microscopy and conductive atomic force microscopy (CAFM). The periodic surface degenera…
View article: Nanostructured fuzz growth on tungsten under low-energy and high-flux He irradiation
Nanostructured fuzz growth on tungsten under low-energy and high-flux He irradiation Open
View article: Retraction of “Microstructure and Properties of Fiber Laser Welded Joints of Ultrahigh-strength Steel 22MnB5 and its Dissimilar Combination with Q235 Steel” [ISIJ Int. 54(12): 2881–2889 (2014)]
Retraction of “Microstructure and Properties of Fiber Laser Welded Joints of Ultrahigh-strength Steel 22MnB5 and its Dissimilar Combination with Q235 Steel” [ISIJ Int. 54(12): 2881–2889 (2014)] Open