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OPS

[Open Plasma Science]

OPS

Open Plasma Science

Criada em 2023, a Open Plasma Science é uma revista com revisão por pares apoiada pela Université de Lorraine. Publica artigos em inglês que abrangem a ciência dos plasmas no sentido mais lato, desde os plasmas de fusão aos plasmas de descarga de alta e baixa pressão, desde as interacções plasma-superfície ou plasma-líquido à turbulência nos plasmas, desde a propulsão aos processos de fabrico que utilizam plasmas.

  • Diretora de publicação: Hélène Boulanger
  • Redator responsável: Jérôme Moritz
  • Tipo de suporte: digital
  • Periodicidade: gradual
  • Ano de criação: 2023
  • eISSN: 3076-1468
  • Data de disponibilização online na Episciences: 2023
  • Disciplinas: física dos plasmas
  • Idiomas da publicação: inglês
  • Processo de avaliação: estudo cego
  • Licença CC BY 4.0
  • Editor: Université de Lorraine
    • Endereço postal: Institut Jean Lamour, Campus Artem, 2 allée André Guinier, BP 50840, 54011 Nancy Cedex
    • País: França
  • Contacto: ops AT episciences.org
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Últimos artigos

Diagnostics of a Multicusp-Assisted Inductively-Coupled Radio-Frequency Plasma Source for Plasma Immersion Ion Implantation

In this article, we present a detailed characterisation of a multicusp-assisted inductively coupled RF plasma source for plasma immersion ion implantation (PIII). Using laser-induced fluorescence (LIF) and RF-compensated Langmuir probe diagnostics, we measured ion temperature T i and drift velocity v z in argon plasmas near an immersed electrode. The multicusp configuration enhances plasma density at low pressure, enabling stable operation down to 0.8 mTorr. Timeaveraged measurements show no detectable perturbation near the pulsed electrode, indicating full plasma recovery between high-voltage pulses. LIF-derived potential profiles match Riemann's presheath theory, and ion velocity distributions reveal acceleration consistent with sheath dynamics. These results support the use of LIF for steady-state characterisation of the bulk and presheath regions in PIII systems.
Moreno Joel
January 26, 2026
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Numerical simulations of a RF-RF hybrid plasma torch with argon at atmospheric pressure

We report numerical results regarding the minimum sustaining coil excitation current for a RF-RF hybrid torch operating at two different frequencies. The first coil is excited at a high-frequency, while the second coil is set at a medium frequency. The filling gas is argon, at atmospheric pressure. We use the modeling software COMSOL Multiphysics to describe the evolution of key parameters when: (i) the distance between the two coils changes, (ii) the power of the high frequency coil changes. We discuss the radial temperature profiles, the axial velocities and the heat convected at the end of the medium-frequency coil. The latter is compared with the total heat conduction to the plasma confinement tube wall.
Loann Terraz
January 19, 2026
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