A Brief Overview about Laser-Ablated Molybdenum Plasma Properties

Sternberg, E. M. A.

doi:10.15406/paij.2017.01.00008

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2018

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“…Table II shows the obtained w values for Dy(I) lines that are compatible with literature values for other element. 46–48 Some lines exhibit electron impact parameters with extremely large errors. Line 657.94, for example, has an error of approximately 76% due to the electron density error and the error of the Lorentzian curve fitted over this spectral line.…”

Section: Resultsmentioning

confidence: 99%

Measurement of Dysprosium Stark Width and the Electron Impact Width Parameter

Santos

Neto²,

Rodrigues

et al. 2018

Appl Spectrosc

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In this work, we suggest a methodology to determine the impact parameter for neutral dysprosium emission lines from the characterization of the plasma generated by laser ablation in a sealed chamber filled with argon. The procedure is a combination of known consistent spectroscopic methods for plasma temperature determination, electron density, and species concentration. With an electron density of 3.1 × 1018 cm–3 and temperature close to 104 K, we estimated the impact electron parameter for nine spectral lines of the neutral dysprosium atom. The gaps in the impact parameter data in the literature, mainly for heavy elements, stress the importance of the proposed method.

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Section: Resultsmentioning

confidence: 99%