If you publish results using these rates, please refer to the article ofįLYCHK: Generalized population kinetics and spectral model for rapid spectroscopic analysis for all elements, H.-K. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons.The nucleus is composed of protons and neutrons.Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. It is defined as being the charge that an atom would have if all bonds were. Please check the section on "About FLYCHK rate coefficients". Element Strontium (Sr), Group 2, Atomic Number 38, s-block, Mass 87.62. Note that all caclulations are done at N e=1cm -3. For a radiative cooling rate, one should multiply by electron density and the density of the charge state. The contribution of several types of reactive groups and/or alternative binding mechanisms could explain the impossibility of appropriately fitting the slopes with the stoichiometric exchange ratio. The radiative cooling coefficients per charge state per electron density for each ion are also listed for line radiation (bb) and recombination radiation (bf). Despite the good quality of the fits (R 2 values), the slopes are not consistent with the divalent charge of strontium. by the formation of strontium vacancies at the gas solid interface. Rate coefficients for ionization balance at coronal equilibrium FLYCHK rate coefficients of direct collisional ionization(ci), excitation autoionization(ea), radiative recombination(rr) and dielectronic recombination rates(dr) of each ion are calculated as a function of temperature for plasma modeling applications. NEW APPROACH FOR BOUNDARY CONDITIONS : SPACE CHARGE CONTROLLED CONCENTRATIONS OF.
#STRONTIUM CHARGE PLUS#
Neutron number plus atomic number equals atomic mass number: N+ZA. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N. In the plot, Charge State 0 refers to neutral atom. Mass numbers of typical isotopes of Strontium are 84 86-88.
Strontium Charge State Distribution by FLYCHK NLTE Kinetics Calculation at NISTĬlick the figure for interactive plot Read the Numerical TableĬlick the figure for interactive plot Read the Radiative Loss Rate Numerical TableĬharge State Distribution Click the density for interactive plot. 37 Rb Rubidium 85.468 38 Sr Strontium 87.62 39 Y Yttrium 88.906 40 Zr Zirconium 91.224 41 Nb Niobium 92.906 42 Mo Molybdenum 95.95 43 Tc Technetium. Įxisting data services at this location function as usual. The latest information about our activities can be found at. This is the legacy website for the Atomic and Molecular Data Unit.
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