A. N. Zinoviev
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View article: Sputtering of Tungsten by Alpha Particles
Sputtering of Tungsten by Alpha Particles Open
Dependences of sputtering yield of tungsten on the energy of incident alpha particles were obtained in the energy range up to 10 MeV. An equation was proposed that describes the sputtering yield at energies above 100 keV. The results were …
View article: Dependence of Sputtering Coefficient on Energy and Incidence Angle of Bombarding Particles. Energy Spectrum and Average Energy of Sputtered Particles by the Example of a Tungsten Target
Dependence of Sputtering Coefficient on Energy and Incidence Angle of Bombarding Particles. Energy Spectrum and Average Energy of Sputtered Particles by the Example of a Tungsten Target Open
An overview of the functional dependences (formulas) for describing the properties of atomic particles sputtered during ion bombardment of the surface of a solid body is presented. The dependence of sputtering coefficients on the energy an…
View article: Tungsten sputtering coefficients by light impurities of plasma
Tungsten sputtering coefficients by light impurities of plasma Open
Calculations of the tungsten sputtering coefficients (the divertor material in the ITER tokamak) by He, Be, N, O – impurity atoms in the plasma – were carried out at collision energy of 0.010–100 keV using the Monte–Carlo method. To calcul…
View article: Sputtering Yields of Beryllium and Tungsten by Various Atoms from Hydrogen to Tungsten
Sputtering Yields of Beryllium and Tungsten by Various Atoms from Hydrogen to Tungsten Open
Sputtering yields of targets made of Be and W, promising materials for the first wall and the divertor of the ITER tokamak, are calculated in a wide range of projectile energies from 10 to 100 000 eV by computer simulation. The following a…
View article: Energy Spectra of Hydrogen Atoms Reflected from a Tungsten Surface
Energy Spectra of Hydrogen Atoms Reflected from a Tungsten Surface Open
Computer simulations were used to calculate the energy spectra and angular distributions of reflected particles during bombardment of the tungsten surface with hydrogen and deuterium atoms with energies of 0.1–10 keV. A model was proposed …
View article: Simulation of polycrystalline beryllium sputtering by H, D, T atoms
Simulation of polycrystalline beryllium sputtering by H, D, T atoms Open
The results of modeling the sputtering coefficients of polycrystalline beryllium by hydrogen isotopes in the range of collision energies of 8 eV-100 keV and their dependences on the angle of incidence of the beam on the surface are present…
View article: Beryllium sputtering yields by hydrogen isotopes bombardment
Beryllium sputtering yields by hydrogen isotopes bombardment Open
Using computer simulation, the sputtering coefficients of a beryllium target upon bombardment with hydrogen isotopes in the particle energy range 8 eV-100 keV and the dependences of the sputtering coefficients on the angle of incidence of …
View article: Auger transition probabilities and electron emission cross sections for vacancy decay into the 2pπ-orbital in the Ne-=SUP=-+-=/SUP=--Ne quasimolecule
Auger transition probabilities and electron emission cross sections for vacancy decay into the 2pπ-orbital in the Ne-=SUP=-+-=/SUP=--Ne quasimolecule Open
The paper reports the calculation of the probabilities of Auger transitions taking place in the process of filling a vacancy on the 2pπ-orbital in an Ne + -Ne quasimolecule, a short-lived system which arises when the ion and atom approach …
View article: The simulation of proton beam passage through thin gold films
The simulation of proton beam passage through thin gold films Open
The results of calculating the energy spectra of protons transmitted and reflected from thin layers of gold are presented. The simulation results are compared with experimental data. It is shown that the stopping measurement results are af…
View article: The ion-solid interaction potential determination from the backscattered particles spectra
The ion-solid interaction potential determination from the backscattered particles spectra Open
The values of the atomic particle-solid potential were obtained for the first time from experimental data on the energy spectra and angular dependences of backscattered particles. The proposed procedure for determining the potential has ne…
View article: Simulation of ion irradiation of crystalline and amorphous targets tokamak-reactor first wall materials
Simulation of ion irradiation of crystalline and amorphous targets tokamak-reactor first wall materials Open
An overview of results concerning simulation of various processes which occur due to atomic bombardment of crystalline and amorphous solids is presented. With the use of original computational codes, the following data were obtained: refle…
View article: Energy release in Be, C and W due to irradiation with D and T atoms
Energy release in Be, C and W due to irradiation with D and T atoms Open
The distribution of the energy release over the depth of the material was calculated for hydrogen isotopes bombarding beryllium, carbon and tungsten surfaces. It was shown that for energies less than 50 keV the maximum energy release occur…