Non-Boltzmann distribution among energy levels of singly-ionized vanadium in dc glow discharge and rf inductively coupled discharge plasmas

Kazuaki Wagatsuma; Yûetsu Danzaki

doi:10.1039/a901072f

Non-Boltzmann distribution among energy levels of singly-ionized vanadium in dc glow discharge and rf inductively coupled discharge plasmas

Kazuaki Wagatsuma, Yûetsu Danzaki

Materials Processing and Characterization Division

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The Boltzmann plots of ionic vanadium lines are investigated using an Ar glow discharge plasma as well as an inductively coupled plasma. Departures from a linear plot are observed with both of the plasmas, meaning that LTE conditions are not realized. It results from increased population of the 3d³(a ⁴F)4d ⁵H levels to which the VII 264.433 and 265.565 nm lines are assigned, which could be explained from resonance charge-transfer collisions between vanadium atom and argon ion.

Original language	English
Pages (from-to)	1727-1730
Number of pages	4
Journal	Journal of analytical atomic spectrometry
Volume	14
Issue number	11
DOIs	https://doi.org/10.1039/a901072f
Publication status	Published - 1999 Dec 1

ASJC Scopus subject areas

Analytical Chemistry
Spectroscopy

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abstract = "The Boltzmann plots of ionic vanadium lines are investigated using an Ar glow discharge plasma as well as an inductively coupled plasma. Departures from a linear plot are observed with both of the plasmas, meaning that LTE conditions are not realized. It results from increased population of the 3d3(a 4F)4d 5H levels to which the VII 264.433 and 265.565 nm lines are assigned, which could be explained from resonance charge-transfer collisions between vanadium atom and argon ion.",

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AU - Danzaki, Yûetsu

PY - 1999/12/1

Y1 - 1999/12/1

N2 - The Boltzmann plots of ionic vanadium lines are investigated using an Ar glow discharge plasma as well as an inductively coupled plasma. Departures from a linear plot are observed with both of the plasmas, meaning that LTE conditions are not realized. It results from increased population of the 3d3(a 4F)4d 5H levels to which the VII 264.433 and 265.565 nm lines are assigned, which could be explained from resonance charge-transfer collisions between vanadium atom and argon ion.

AB - The Boltzmann plots of ionic vanadium lines are investigated using an Ar glow discharge plasma as well as an inductively coupled plasma. Departures from a linear plot are observed with both of the plasmas, meaning that LTE conditions are not realized. It results from increased population of the 3d3(a 4F)4d 5H levels to which the VII 264.433 and 265.565 nm lines are assigned, which could be explained from resonance charge-transfer collisions between vanadium atom and argon ion.

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Non-Boltzmann distribution among energy levels of singly-ionized vanadium in dc glow discharge and rf inductively coupled discharge plasmas

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