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An efficient way to evidence and to measure the metal ion fraction in high power impulse magnetron sputtering (HiPIMS) post-discharge with Pt, Au, Pd and mixed targets

Part of: Pellat Thesis Prize Winners

Published online by Cambridge University Press:  14 December 2016

S. Cuynet ,
T. Lecas ,
A. Caillard  and
P. Brault
S. Cuynet*
Affiliation:
Groupe de Recherche sur l’Energétique des Milieux Ionisés (GREMI), UMR7344 Université d’Orléans – CNRS, 14 rue d’Issoudun BP6744, F-45067 Orléans CEDEX 2, France
T. Lecas
Affiliation:
Groupe de Recherche sur l’Energétique des Milieux Ionisés (GREMI), UMR7344 Université d’Orléans – CNRS, 14 rue d’Issoudun BP6744, F-45067 Orléans CEDEX 2, France
A. Caillard
Affiliation:
Groupe de Recherche sur l’Energétique des Milieux Ionisés (GREMI), UMR7344 Université d’Orléans – CNRS, 14 rue d’Issoudun BP6744, F-45067 Orléans CEDEX 2, France
P. Brault
Affiliation:
Groupe de Recherche sur l’Energétique des Milieux Ionisés (GREMI), UMR7344 Université d’Orléans – CNRS, 14 rue d’Issoudun BP6744, F-45067 Orléans CEDEX 2, France
*
†Email address for correspondence: stephane.cuynet@univ-orleans.fr
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Abstract

The proportion of metal ions in a high power impulse magnetron sputtering discharge is key information for the potential development of new materials and new layer architectures deposited by this technique. This paper aims to measure this proportion by using a homemade system consisting of a quartz crystal microbalance and a grid energy analyser assembly. Such a system yields relevant results on the composition of the post-discharge depending on the nature of the gas (Ar, Kr, Xe) and the target materials (Pt, Pd, Au, $\text{Pt}_{50}\text{Au}_{50}$ and $\text{Pt}_{5}\text{Pd}_{95}$ ). In our conditions, the highest proportion of metal ions in the post-discharge are obtained by using Ar gas and reaches 10 %, 12 %, 50 %, 19 % and 88 % for Pt, Au, Pd, $\text{Pt}_{50}\text{Au}_{50}$ and $\text{Pt}_{5}\text{Pd}_{95}$ targets, respectively.

Keywords

plasma diagnosticsplasma flowsplasma properties
Type
Research Article
Information
Journal of Plasma Physics , Volume 82 , Issue 6 , December 2016 , 695820601
Copyright
© Cambridge University Press 2016 

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