Helium ion
Divertor Plasma Simulation Experiment Using Hydrogen Ionizing Plasma and Helium Ion Beam in an RF Plasma Source DT-ALPHA
... compact-type ion beam generator is combined with the ...optimize ion beam transport. In this experiment, a helium ion beam of E = 10 keV was produced and injected into the DT-ALPHA ...
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Comparative study of beam induced carbonaceous deposits in helium ion and scanning electron microscopes
... The Electron Microscope (EM), including the Transmission Electron Microscope (TEM) and the Scanning Electron Microscope (SEM), have been powerful char- acterisation and analytical tools to investigate materials. Advances ...
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Influence of helium ion bombardment on the optical properties of ZnO nanorods/p GaN light emitting diodes
... After the growth of the ZnO NRs on p-GaN sub- strates, three samples were used to process the LEDs. Pt/Ni/Au alloy was used to form ohmic contact to the p-GaN substrate. The thickness of the Pt, the Ni, and the Au layers ...
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Comparison of Ion Internal Transport Barrier Formation between Hydrogen and Helium Dominated Plasmas
... the ion temperature in the helium ion dominated regime is higher than the model ...total ion particle number changes with the hydrogen ratio, however the ion heating power normalized by ...
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Effects of Dual Ion Irradiation on the Swelling of SiC/SiC Composites
... Si ion) beam and dual-ion (Si ion and helium ion) irradiation were performed at up to 3 ...the helium over dpa were 1 10 3 dpa/s and 60 appm/dpa, respective- ...
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Electrospun collagen nanofibers for tissue engineering
... for helium ion implantation, the ratio of amide to amine decreased as the ion dose increased, an indication that either the amide (peptide) groups were removed or converted into amine groups, most ...
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A comparison of He and Ne FIB imaging of cracks in microindented silicon nitride
... Helium ion microscopy (HIM) o ff ers potential as a high spatial resolution technique for imaging insulating samples that are susceptible to charging ...study helium and neon ion microscopy are ...
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A comparison of He and Ne FIB imaging of cracks in microindented silicon nitride
... Sputtered carbon is an e ff ective alternative to conductive gold coatings and its efficacy for improving the imaging of cracks in ceramic samples during gas-ion microscopy is investigated here. Fig. 7 shows a ...
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Helium Volumetric Recombining Plasma Formation for Energetic Ion Injection in Radio-Frequency Plasma Device DT-ALPHA
... energetic ion beam onto a tar- get ...the ion intrinsic reaction is concerned. For example, ener- getic helium ion injection into helium ionizing plasma ...
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Dynamic Simulation of Multiplier Effects of Helium Plasma and Neutron Irradiation on Microstructural Evolution in Tungsten
... of helium produced by the plasma were considered simulta- neously in the present ...low-energy helium ion irradiation, we omitted defects produced by helium ...between helium and point ...
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Precision X-ray spectroscopy of kaonic atoms as a probe of low-energy kaon-nucleus interaction
... Abstract. In the exotic atoms where one atomic 1s electron is replaced by a K − , the strong interaction between the K − and the nucleus introduces an energy shift and broad- ening of the low-lying kaonic atomic levels ...
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Mechanism of collision induced decomposition of gaseous multiatomic ions
... incident ion energy was 14.9 IceV, the collision gas helium and an attenuation o f 70 % was ...which ion beams were detectable was approximately 90 mA and the optimum EHC was between 100 and 110 ...
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Light Ion Yields from Bombardment of Thick Targets by Protons, Helium-4 and Iron-56
... A small sample of the results collected will be presented in this paper to maintain brevity, while still showcasing the comprehensive detection capabilities of the experiment apparatus. Double differential yields of ...
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Applications of the Variational Quantum Monte Carlo Method to the Two-Electron Atoms
... An implementation of the Hartree–Fock (HF) method using a Laguerre-based wave function described by A. W. King, A. L. Baskerville, and H. Cox [11] to study the ground state of two-electron atoms in the fixed nucleus ...
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Gaseous mediators: an updated review on the effects of helium beyond blowing up balloons
... of helium conditioning in other organs. Pre- treatment with helium did not attenuate liver injury after warm ischaemia-reperfusion in the rat, although there was some evidence for modulation of the ...
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Superconductivity and Superfluidity Part III: Superfluidity as a Consequence of Ordering of Zero point Oscillations
... liquid helium-4 are electrically neutral, as they have no dipole moments and do not form ...liquid helium (as well as in other condensed substance where phase transfor- mations are related to the changes of ...
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A comprehensive global oceanic dataset of helium isotope and tritium measurements
... the helium isotopic ratio measurements, one needs to know at least the concentration of helium in the samples as ...to helium in terms of its solubility in seawater and there are no known significant ...
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Tungsten 'fuzz' growth re-examined: the dependence on ion fluence in non-erosive and erosive helium plasma
... Samples exposed in the Pisces-E device were kept fixed in temperature (measured by thermocouple) during He plasma exposure by externally applied resistive heating of the stage holding the sample. The sample was heated to ...
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Simultaneous Measurement of Electron and Ion Temperatures with Helium-like Argon X-Ray Spectrum
... is immediately lowered after the pellet injection is started. The helium-like argon spectrum was measured with a Johann-type crystal spectrometer which is basically the same as described in detail in Ref. [1] but ...
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Sensitized fluorescence in potassium vapour.
... Sensitized fluorescence of potassium vapour was investiga ted to determine the cross-sections for collisions of a second kind occurring between potassium and potassium, potassium and helium, and potassium and ...
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