activity
20102026
most citedPerfect preferential orientation of nitrogen-vacancy defects in a synthetic diamond sample

134 citations · 1.1k across the 27 of their papers we have counts for

collaborators
Showing physics.plasm-phShow all

4 papers · 1 filter

physics.plasm-ph2021★ 5 cited

Surface production of negative ions from pulse-biased nitrogen doped diamond within a low-pressure deuterium plasma

Gregory J. Smith, Lenny Tahri, Jocelyn Achard +4

The production of negative ions is of significant interest for applications including mass spectrometry, materials surface processing, and neutral beam injection for magnetic confi…

physics.plasm-ph2020★ 12 cited

Enhancing surface production of negative ions using nitrogen doped diamond in a deuterium plasma

Gregory J. Smith, James Ellis, Roba Moussaoui +7

The production of negative ions is of significant interest for applications including mass spectrometry, particle acceleration, material surface processing, and neutral beam inject…

physics.plasm-ph2019★ 60 cited

R&D around a photoneutralizer-based NBI system (Siphore) in view of a DEMO Tokamak steady state fusion reactor

A. Simonin, Jocelyn Achard, K. Achkasov +28

Since the signature of the ITER treaty in 2006, a new research programme targeting the emergence of a new generation of Neutral Beam (NB) system for the future fusion reactor (DEMO…

physics.plasm-ph2019★ 48 cited

Alternative solutions to caesium in negative-ion sources: a study of negative-ion surface production on diamond in H 2 /D 2 plasmas

Gilles Cartry, Dmitry Kogut, Kostiantyn Achkasov +9

This paper deals with a study of H-/D-negative ion surface production on diamond in low pressure H2/D2 plasmas. A sample placed in the plasma is negatively biased with respect to p…