Intensities and transition probabilities for selected DyI and DyII lines emitted from a ferroelectric plasma source

Details Intensities and transition probabilities for selected DyI and DyII lines emitted from a ferroelectric plasma source Intensities and transition probabilities for selected DyI and DyII lines emitted from a ferroelectric plasma source

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...92..517k&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 92, no. 3, Feb. 1992, p. 517-532. Research supported by Mini

Astronomy and Astrophysics

Astrophysics

18

Argon Plasma, Dysprosium, Electron Transitions, Ferroelectricity, Metallic Plasmas, Line Spectra, Oscillator Strengths, Spectral Energy Distribution

Scientific paper

An argon-dysprosium plasma was generated at atmospheric pressure between a ceramic ferroelectric plate and a dysprosium plate. The system of plates was connected to an acoustic frequency power supply. The plasma radiation was analyzed in the spectral range from 2500 to 6700 A by using a grating spectrograph with a linear dispersion of about 1 mm/A, adapted for photoelectric measurements. The emission spectrum of dysprosium was recorded and the intensities of more than 500 DyI and DyII lines were measured. For 133 DyI-lines and 228 DyII-lines the transition probabilities, absorption oscillator strengths and log(gifik) were determined. The obtained values were compared with the literature data.

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