Application of the<i>BEf</i>-scaling approach to electron impact excitation of diople-allowed electronic states in molecules

Brunger, M. J.; Thorn, Penny; Campbell, Laurence; Kato, H.; Kawahara, H.; Hoshino, M.; Tanaka, Hiroshi; Kim, Y. K.

doi:10.1088/1742-6596/115/1/012004

Cited by 4 publications

(1 citation statement)

References 19 publications

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“…To expand the calculation for a higher energy range, a model called the spherically complex optical potential (SCOP) is performed for calculating elastic, differential, momentum transfer and rotationally inelastic cross-sections [120]. Meanwhile, as for electron-molecule electronic excitation cross-sections by R-matrix method, the results can be scaled to high energy range using the BE-f scaling [121,122].…”

Section: Theoretical Calculationsmentioning

confidence: 99%

Fundamental physicochemical properties of SF₆-alternative gases: a review of recent progress

Zhang

Xiong

Chen

et al. 2020

J. Phys. D: Appl. Phys.

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Environmental considerations are increasingly taking a front seat in all arenas of our daily lives. Among the major concerns are greenhouse gases and the resulting global warming problem. Although sulfur hexafluoride (SF6) is the most widely used insulation and arc-interruption medium in electrical power equipment, it is an extremely potent greenhouse gas with a very high global warming potential (GWP). Hence, the global power industry has been actively seeking SF6-alternative gases for decades. In recent years, much progress has been made in developing promising new gases that have dielectric properties similar to, or even better than, SF6 but with much lower GWPs. Many engineering-oriented tests have been performed on the technical performance of these gases and some manufacturers have announced their application in pilot projects. However, their large-scale application still seems premature, in particular because of the lack of some critical fundamental physicochemical information for these relatively novel compounds. To provide a better understanding of these SF6-alternative gases, this paper reviews the recent advances in obtaining their fundamental physicochemical properties, emphasizing basic data calculations and fundamental experiments. The most important properties are analyzed comprehensively. These include the basic physical properties of arc plasmas formed from the gases, decomposition characteristics, materials compatibilities, swarm parameters, cross-sections and some dielectric properties. Finally, perspectives on current research and future research directions are presented.

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Section: Theoretical Calculationsmentioning

confidence: 99%

Fundamental physicochemical properties of SF₆-alternative gases: a review of recent progress

Zhang

Xiong

Chen

et al. 2020

J. Phys. D: Appl. Phys.

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Calculation of electron interaction models in N2 and O2

Nicolanti,

Caccia,

Cartoni

et al. 2023

Physica Medica

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Electron excitation of the Schumann–Runge continuum, longest band, and second band electronic states in O2

Suzuki

Kato

Ohkawa

et al. 2011

The Journal of Chemical Physics

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We report measurements of differential and integral cross sections for electron excitation of the Schumann–Runge continuum, longest band, and second band electronic states in molecular oxygen. The energy range of the present study is 15–200 eV, with the angular range of the differential cross section (DCS) measurements from 2 to 130°. A generalized oscillator strength analysis is then employed in order to derive integral cross sections (ICSs) from the corresponding DCSs, and these ICSs are compared with relevant energy and oscillator strength scaled Born cross section (BEf-scaling [Y.-K. Kim, J. Chem. Phys. 126, 064305 (2007)]) results determined as a part of this investigation. Interestingly, while the present Schumann–Runge continuum and second band ICSs were in reasonable agreement with the respective BEf-scaling results, agreement for the longest band was poor below 100 eV with a possible reason for this apparently anomalous behavior being canvassed here. Finally, where possible all present data are compared with the results from earlier measurements and calculations with the level of agreement found being very good in some cases and marginal in others.

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Application of theBEf-scaling approach to electron impact excitation of diople-allowed electronic states in molecules

Cited by 4 publications

References 19 publications

Fundamental physicochemical properties of SF₆-alternative gases: a review of recent progress

Fundamental physicochemical properties of SF₆-alternative gases: a review of recent progress

Calculation of electron interaction models in N2 and O2

Electron excitation of the Schumann–Runge continuum, longest band, and second band electronic states in O2

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Application of theBEf-scaling approach to electron impact excitation of diople-allowed electronic states in molecules

Cited by 4 publications

References 19 publications

Fundamental physicochemical properties of SF6-alternative gases: a review of recent progress

Fundamental physicochemical properties of SF6-alternative gases: a review of recent progress

Calculation of electron interaction models in N2 and O2

Electron excitation of the Schumann–Runge continuum, longest band, and second band electronic states in O2

Contact Info

Product

Resources

About

Fundamental physicochemical properties of SF₆-alternative gases: a review of recent progress

Fundamental physicochemical properties of SF₆-alternative gases: a review of recent progress