Готові списки джерел за темами / Second ionization potential of atoms of elements

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Добірка наукової літератури з теми "Second ionization potential of atoms of elements"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Second ionization potential of atoms of elements"

Yushchenko, Alexander, Seunghyun Kim, Yeuncheol Jeong, et al. "The Possible Signs of Hydrogen and Helium Accretion from Interstellar Medium on the Atmospheres of F-K Giants in the Local Region of the Galaxy." Journal of Astronomy and Space Sciences 38, no. 3 (2021): 175–83. http://dx.doi.org/10.5140/jass.2021.38.3.175.

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The dependencies of the chemical element abundances in stellar atmospheres with respect to solar abundances on the second ionization potentials of the same elements were investigated using the published stellar abundance patterns for 1,149 G and K giants in the Local Region of the Galaxy. The correlations between the relative abundances of chemical elements and their second ionization potentials were calculated for groups of stars with effective temperatures between 3,764 and 7,725 K. Correlations were identified for chemical elements with second ionization potentials of 12.5 eV to 20 eV and f

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Gáspár, Rezső, and Rezső Gáspár Jr. "Pseudopotentials for second row atoms. Abinitio molecular calculations on PH3, H2S, and HCl." Canadian Journal of Chemistry 63, no. 7 (1985): 1922–24. http://dx.doi.org/10.1139/v85-318.

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Gaussian nonlocal pseudopotentials are introduced for the simplification of the description of second row elements. Pseudopotential parameters for P, S, and Cl are presented. The pseudopotential method is applied to HCl, H2S, and PH3. Substantial reduction in the dimension of the orbital basis set is achieved. Results on total valence energies, binding energies, ionization potentials, force constants, equilibrium bond angles, bond lengths, and dipole moments are presented and compared to experiment as well as to the results of calculations with other methods.

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OYMAK, HÜSEYİN, and ŞAKİR ERKOÇ. "GROUP 12 ELEMENTS AND THEIR SMALL CLUSTERS: ELECTRIC DIPOLE POLARIZABILITY OFZn,CdANDHg,Zn2DIMER AND HIGHERZnnMICROCLUSTERS AND NEUTRAL, CATIONIC AND ANIONIC ZINC OXIDE MOLECULES (ZnO,ZnO+ANDZnO-)." International Journal of Modern Physics B 26, no. 08 (2012): 1230003. http://dx.doi.org/10.1142/s0217979212300034.

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This review is in general about group 12 elements and their small microclusters. In this part, after presenting an extensive literature survey of the electric dipole polarizability studies of the Zn , Cd and Hg atoms, we specifically target zinc-containing small clusters, beginning with the Zn2dimer, the Zn3trimer, higher Znnclusters and the neutral, cationic and anionic zinc oxide clusters: ZnO , ZnO+and ZnO-. We tabulated experimental and theoretical results for the spectroscopic constants (dissociation energy Deor D0, bond length re, fundamental frequency we, anharmonicity constant wexeand

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Нурубейли, Т.К. "Влияние двукратно заряженных ионов в формировании масс-спектров твердых тел в масс-спектрометре с индуктивно связанной плазмой". Elektronnaya Obrabotka Materialov 53, № 4 (2017): 53–59. https://doi.org/10.5281/zenodo.1053759.

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The paper considers both theoretical and experimental justifications of the formation of doubly charged ions (<em>M<sup>++</sup></em>) of several elements via the inductively coupled plasma mass spectrometry (ICP-MS). The efficiency of the formation of both singly and doubly charged ions with the lowest value of the second ionization potential was demonstrated using the Saha equation and thermodynamic modeling. A comparison is made of the results of the theoretical and experimental works performed on a ICP-MS mass spectrometer. The accuracy of the calcu-lated results was proved and a possibili

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Jeong, Yeuncheol, Alexander Yushchenko, Vira Gopka, et al. "The Barium Star HD204075: Iron Abundance and the Absence of Evidence for Accretion." Journal of Astronomy and Space Sciences 36, no. 3 (2019): 105–13. http://dx.doi.org/10.5140/jass.2019.36.3.105.

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Spectroscopic observations of barium star ζ Capricornus (HD204075) obtained at the 8.2 m telescope of the European Southern Observatory, with a spectral resolving power R = 80,000 and signal to noise ratio greater than 300, were used to refine the atmospheric parameters. We found new values for effective temperature (Teff = 5,300 ± 50 K), surface gravity (log g = 1.82 ± 0.15), micro-turbulent velocity (vmicro = 2.52 ± 0.10 km/s), and iron abundance (log N (Fe) = 7.32 ± 0.06). Previously published abundances of chemical elements in the atmosphere of HD204075 were analyzed and no correlations of

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ISLAM, NAZMUL, and ARINDAM JANA. "A NEW FORMULA FOR THE EVALUATION OF THE IONIZATION ENERGY BASED ON THE ORBITAL EXPONENTS OF THE ATOMS OF 118 ELEMENTS OF THE PERIODIC TABLE." Journal of Theoretical and Computational Chemistry 09, no. 03 (2010): 637–51. http://dx.doi.org/10.1142/s0219633610005840.

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We propose a simple approach for the calculation of the ionization potentials of atoms in terms of their orbital exponents. The prescription is simple and utilizes only the simple Bohr equation with some modifications. We have pointed out that the atomic first ionization energy not only depends on the principal quantum number (n) but also on the azimuthal quantum number (l) of the orbital (n, l) on which the electron of interest is present. The formalism is tested through the calculation of the atomic ionization potentials of 118 elements of the periodic table. The orbital exponent values for

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Orlitová, I., A. Verhamme, A. Henry, et al. "Puzzling Lyman-alpha line profiles in green pea galaxies." Astronomy & Astrophysics 616 (August 2018): A60. http://dx.doi.org/10.1051/0004-6361/201732478.

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Context. The Lyman-alpha (Lyα) line of hydrogen is of prime importance for detecting galaxies at high redshift. For a correct data interpretation, numerical radiative transfer models are necessary due to Lyα resonant scattering off neutral hydrogen atoms. Aims. Recent observations have discovered an escape of ionizing Lyman-continuum radiation from a population of compact, actively star-forming galaxies at redshift z ~ 0.2−0.3, also known as “green peas”. For the potential similarities with high-redshift galaxies and impact on the reionization of the universe, we study the green pea Lyα spectr

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Seltzer, M. D., and R. B. Green. "Laser-Power Dependency of Resonant Two-Photon Ionization in Flames." Applied Spectroscopy 43, no. 4 (1989): 633–37. http://dx.doi.org/10.1366/0003702894202436.

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Resonant two-photon ionization competes with laser-enhanced collisional ionization (LEI) in flames to ionize analyte atoms. The predominance of either mechanism for a given element depends on the excitation scheme as well as the level of irradiance. Optical saturation of the resonant transition through which the two-photon mechanism proceeds precludes observation of a second-order dependence of ionization signal on laser power. The laser power dependency of resonant two-photon ionization for a series of elements is examined, and results of diagnostic value regarding the probable ionization mec

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Hohm, Uwe, and Ajit J. Thakkar. "New Relationships Connecting the Dipole Polarizability, Radius, and Second Ionization Potential for Atoms." Journal of Physical Chemistry A 116, no. 1 (2011): 697–703. http://dx.doi.org/10.1021/jp2094438.

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Chernomorskii, Alexandr I. "(Digital Presentation) The Intermediate Electron Bond. Half-Reactions and the Electronic Structure of Atoms." ECS Meeting Abstracts MA2024-01, no. 44 (2024): 2491. http://dx.doi.org/10.1149/ma2024-01442491mtgabs.

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The transfer of electrons ne from the intermediate state (Ox1 ← ne → Ox2) is associated with formation of a chemical bond with one Ox-form. Consequently, chemical bonds of electrons with Ox - forms should be formed Ox + ne + H2O→ Red or broken Red + H2O → Ox + ne in half-reactions. Then, there should be concluded some electronic state and bond without a specific chemical component. This electronic bond was determined as a definite coulomb bond, intermediate from metallic to non-metallic specific bonds. Ionization potential of intermediately bound electrons is determined I interm. = 5.19 eV [1-

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Більше джерел

Тези доповідей конференцій з теми "Second ionization potential of atoms of elements"

Pindzola, M. S., and C. Bottcher. "Strong Field Laser Ionization of Model Atoms." In Multiple Excitations of Atoms. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/mea.1986.tuc5.

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Recent experiments on the ionization of atoms under strong field lasers has renewed interest in the theoretical modeling and calculation of such nonperturbative processes. A promising calculational method is the direct solution of the time-dependent Schrodinger equation using numerical techniques developed to solve parabolic partial differential equations on vector processing computers. We are currently working on numerical solutions to the one-dimensional equation (in atomic units): where V(r,t) is a finite square well potential subject to an arbitrarily strong electromagnetic field. We have

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Bagnato, V., L. Marcassa, C. Tao, Y. Wang, and J. Weiner. "Two-Color Photo-Associative Ionization Collisions between Sodium Atoms." In High Resolution Spectroscopy. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/hrs.1993.pd6.

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Collisions of ultracold trapped atoms ( T< 1mK) have opened a new field of atomic collisions with abundant opportunities for theory and experiments. Photo-associative ionization (PAI) in sodium atoms has been the first two-body collision Studied in optical traps3. In this process two ground state Na atoms absorb two photons during the course of the collisional encounter. The first absorption at long range put the colliding system on an attractive C3/R3 potential curve, and the two atoms begin to accelerate toward each other. A second absorption promotes the system to a doubly excited Na(3p)

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Su, Q., Joseph H. Eberly, and W. G. Greenwood. "Channel closing and power-law scaling in multiphoton ionization." In OSA Annual Meeting. Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.fu3.

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We present numerical data giving the intensity dependence of the multiphoton ionization rate for two different model atoms. As the intensity increases, the pon-deromotive shift causes peaks in the electron energy spectrum to disappear, one by one, at the threshold. We carefully examine the ionization rate near to and between the intensities at which these ponderomotive channel closings occur. The data have been obtained from ab initio wave functions calculated for 1-D atoms in the presence of intense laser fields. In the first model the potential V ( x ) = − 1 / 1 + x 2 is used to simulate the

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Calaway, W. F., M. J. Pellin, C. E. Young, and D. M. Gruen. "Resonance ionization of sputtered atoms: detecting one atom in a billion on a surface." In OSA Annual Meeting. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.tha4.

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Development of methods capable of quantitatively detecting low levels of impurities or dopants on surfaces is a formidable task. Instruments for this purpose must be extremely sensitive since the total number of surface atoms is quite low and yet must also be able to distinguish surface atoms from the much larger number of atoms in the bulk. Surface analysis by resonance ionization of sputtered atoms (SARISA) is a trace analysis technique which meets these criteria. Employing SARISA, determination of Fe and Ti concentrations on Si and Mo substrates has been performed. These experiments yield d

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Knight, R. D., J. E. Sohl, and Yang Zhu. "Two-color laser spectroscopy of titanium." In OSA Annual Meeting. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.thdd5.

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Two-color double-resonance laser spectroscopy has been used to study highly excited bound and autoionizing states of titanium. A thermal beam of Ti is first excited to a well-known intermediate state by a fixed frequency pulsed dye laser, and then a second scannable laser populates highly excited states. Either autoionization or field ionization products are detected. The combination of double-resonance excitation with ionization detection makes this an extremely sensitive and highly selective method of studying highly excited states and photoionization in transition metal elements. Our measur

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