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Ionization of Helium Atoms by Triply Charged Metal Atoms during Laser Ablation of Metals in Superfluid Helium
AbstractThe applicability of laser ablation of metal targets for obtaining triply charged ions of metal atoms, including low-melting metals, has been...
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Precision engineering of nano-assemblies in superfluid helium by the use of van der Waals forces
The ability to precisely engineer nanostructures underpins a wide range of applications in areas such as electronics, optics, and biomedical...
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Metastable Helium Atom Creation Dynamics in High-Voltage Pulsed Discharge with Transverse Magnetic Field Effects
In this work, we investigate the effect of an external transverse weak magnetic field on the creation of metastable helium atoms and excited helium...
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Oxidation of Formaldehyde on PdNi Nanowires Synthetized in Superfluid Helium
AbstractA boron-doped diamond electrode with a network structure of PdNi alloy nanowires, which is deposited onto its surface by laser ablation in...
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Hydrogen and helium trap** in hcp beryllium
Even though hydrogen-metal surface interactions play an important role in energy technologies and metal corrosion, a thorough understanding of these...
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Cavitation in Liquid Methane with Small Helium Additives
AbstractCavitation in a viscous gas-saturated liquid has been considered taking into account the diffusive supply of a volatile component to a bubble...
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Damage of Niobium by Pulsed Flows of Helium Ions and Helium Plasma
AbstractThe damageability of niobium by pulsed flows of helium ions (HI) and helium plasma (HP) in the Plasma Focus (PF) setup was studied at a flow...
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Permeability of Polymer Membranes Based on Polyimides Towards Helium
AbstractThe approach to the prediction of permeability of polymer membranes based on polyimides and polyamidoimides towards helium is described....
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Investigating the helium purification performance of Si-RHO zeolite membrane at the atomistic scale
Natural gas, consisting primarily of methane, is currently the most viable source of helium. Besides, as attractive and versatile materials, zeolites...
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Helium Plasma Effects on Polymer Surfaces: from Plasma Parameters and Surface Properties towards Bioengineering Applications
Plasma treatment is necessary to optimize the performance of biomaterial surfaces. It enhances and regulates the performance of biomaterial surfaces,...
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Russian Helium Industry in Eastern Siberia: Future Challenges and Solutions
The article considers the production and consumption of helium in a global context. A method of the helium extraction from the natural gas is...
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Study of the Microstructure and Phase Composition of Ceramics Based on Silicon Carbide Irradiated with Low-Energy Helium Ions
AbstractThe effect of irradiation with helium ions with energy of 40 keV and doses from 1 × 10 14 to 2 × 10 17 cm –2 on the microstructure and phase...
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Various mechanisms for double capture from helium targets by alpha particles
An analysis is presented using six quantum-mechanical four-body distorted wave (DW) theories for double capture (DC) in ion-atom collisions at...
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Evaporation of Carbon Atoms and Molecules in Helium by Low-Current Arc Discharge with Graphite Electrodes
AbstractIn terms of the unified model of low-current arc discharge, which describes the processes occurring in the gas-discharge gap and in the...
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Cross section sensitivity to perturbation strengths in distorted waves for double electron capture by alpha particles from helium targets
Computer experiments are performed on total cross sections for capture of both electrons from helium targets at 100-10000 keV. Employed are four...
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Random Bullets Versus Self-Triggered Short Discharges in a Helium Atmospheric Pressure Plasma Jet
Atmospheric pressure plasma jets driven by AC voltage are reported to exhibit randomness or periodicity under certain operating conditions. In the...
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Quantum-mechanical four-body versus semi-classical three-body theories for double charge exchange in collisions of fast alpha particles with helium targets
Within the two-channel distorted wave second-order perturbative theoretical formalism, we study capture of both electrons from helium-like targets by...
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Source of High-Efficiency Radiation in the Lyman and Werner Bands of a Pulse Discharge in Mixtures of Hydrogen and Helium
AbstractA numerical model of a pulsed self-sustained discharge in mixtures of H 2 and He is created to describe spontaneous emission in Lyman and...
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Electron-Stimulated Phase Transitions in Tin and Indium–Tin Nanowires Produced by Laser Ablation in Superfluid Helium
AbstractLaser ablation in superfluid helium has been used to synthesize nanowires with a diameter of less than 10 nm from tin and an indium–tin alloy...
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Structure Modification and Enhancement of Wear Resistance of Ultra-High-Molecular-Weight Polyethylene by Low-Pressure Helium Plasma Treatment
AbstractThe surface treatment of ultra-high-molecular-weight polyethylene (UHMWPE) in helium plasma at a pressure of 0.133 mbar has been studied by...
