期刊
PHYSICS OF PLASMAS
卷 24, 期 4, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4980839
关键词
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资金
- National Natural Science Foundation of China [11364037, 11064012, 11274254, U1332206, 11564037]
- Basic Scientific Foundation of Higher Learning of Gansu Province
Spectra of laser-produced praseodymium (Pr) plasmas have been acquired for the 7.5-14.5 nm wavelength range using spatio-temporally resolved emission spectroscopy. The characteristic features of experimental spectra are dominated by an intense narrow band and a broad quasi-continuous band. These derive from 4d-4f transitions of Pr-3 broken vertical bar up to Pr-7 broken vertical bar ions, according to Hartree-Fock calculations that evaluated configuration interaction effects. Plasma parameters have been estimated by comparing experimental and simulated spectra, based on the assumption of a normalized Boltzmann distribution among excited states and a steady-state collisional-radiative model. The results provide further understanding of radiation properties of highly charged ions of middle-and high-Z elements. Published by AIP Publishing.
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