The experimental results of measuring the yield of secondary ions and neutral calcium atoms under the bombardment of a CaCO3 target with cluster ions Bim + (m = 1−5) in the energy range 1−10 keV have been presented. Atomic calcium ions predominated in the mass spectra of secondary ionic emission of the CaCO3 target. This circumstance is associated with low ionization potentials of calcium atoms and, accordingly, high ionization efficiency under sputtering. The yields of secondary ions and neutral calcium atoms are calculated under the bombardment of a CaCO3 target with cluster ions Bim + (m = 1−5) in the energy range 1−10 keV. It was revealed that, in comparison with the yield of secondary calcium ions, a more pronounced non-additive rise of neutral atoms with an increase in the number of atoms in bombarding cluster ions is observed
| Mualliflar | Ахунов, Ш.Дж., Усманов, Д.Т. |
|---|---|
| Jurnal | O‘zbekiston fizika jurnali |
| Nashr sanasi | 2021-02-15 |
| Jild | 22 |
| Son | 6 |
| Betlar | 350-355 |
| Til | Rus |
| DOI | 10.52304/.v22i6.206 |
DOI: 10.52304/.v22i6.206 · Maqolaning asl sahifasi
вторично-ионная масс-спектрометрия, кластерный ион, ионный источник Bim , неаддитивные эффекты, поверхностная ионизация., secondary ion mass spectrometry, cluster ion, ion source of Bim , non-additive effects, surface ionization.
The analytical expression and the experimental curve of the exponential absorption spectrum of amorphous Se0.5S0.5 selenium-sulphur compound are compared. The parameters in the analytical expression for the exponential…
The effect of reactor radiation on the luminescence properties and absorption spectra of single crystals of bismuth germanate Bi4Ge3O12 (BGO) has been studied. It is revealed that the degradation of the luminescent…
The appearance of thermoelectric power on heated p-n heterostructures containing on the surface of silicon substrates the deposited films from a Si-Ge solid solution heavily doped with titanium was experimentally…
The excited collective states of deformed even-even nuclei with quadrupole and octupole deformations have been studied in the framework of the approximation of a nonaxial quadrupoleoctupole rotator. The matrix elements…
Investigations are presented to identify the conditions of formation nanocomposites based on isotactic polypropylene (PP), maleinized PP (PPMA) and their mixtures with modified montmorillonite, Cloisite 20A (MMT…
In this work, we have studied by numerical methods the evolution of non-radial oscillations of an unsteady disk, which is surrounded by a passive ellipsoidal halo with a uniform density. For this purpose, we have…
The paper presents the results of thermoionic mass- and thermodesorption spectrometry of the drugs pregabalin (lyrica), carbamazepine and tropicamide. These drugs are widely used in illegal circulation and often abused…
The paper presents the results of the detection of active variability and optical oscillations of the general light curves of gravitationally lensed quasars SDSS J1721+8842, SDSS J1433+6007 and SDSS J2145+6345 for the…
This paper reformulates the stability structure of force-free magnetosphere of a rotating black hole discussed in paper [1]. We do some corrections in the main equations of relativistic magnetohydrodynamics written by…
Complex qualitative and quantitative studies of the initial product, ethanol, used in the technological process for monosilane synthesis are carried out. Monosilane is subsequently used to obtain nanocrystalline silicon…