LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma

Kaarel Piip; G. De Temmerman; H.J. van der Meiden; A. Lissovski; J. Karhunen; M. Aints; Antti Hakola; P. Paris; M. Laan; Jari Likonen; I. Jogi; J. Kozlova; H. Mändar

doi:10.1016/j.jnucmat.2014.11.017

LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma

Kaarel Piip, G. De Temmerman, H.J. van der Meiden, A. Lissovski, J. Karhunen, M. Aints, Antti Hakola, P. Paris, M. Laan, Jari Likonen, I. Jogi, J. Kozlova, H. Mändar

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

26 Citations (Scopus)

Abstract

The aim of this work was to study the applicability of laser induced breakdown spectroscopy (LIBS) as an in situ method for monitoring plasma facing materials in fusion reactors. Tungsten coated samples were exposed to Magnum PSI plasma using two different regimes: the steady-state (the sequence of approximately 11 s pulses) and the ELM-like. Right after the plasma exposure samples were tested with LIBS in the Magnum PSI analyses and target exchange chamber. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to characterize the surface morphology and crystallinity. These methods showed that changes at the sample surface caused by used ELM-like mode did not differ remarkably from those caused by steady-state mode. Surface temperature had significant effect on the surface structure. In addition post mortem LIBS measurements were performed that gave result similar to that of in situ LIBS.

Original language	English
Pages (from-to)	919-922
Journal	Journal of Nuclear Materials
Volume	463
DOIs	https://doi.org/10.1016/j.jnucmat.2014.11.017
Publication status	Published - 2015
MoE publication type	A1 Journal article-refereed

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.jnucmat.2014.11.017

Cite this

@article{326f128d79c745769c3ccf08369d0670,

title = "LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma",

abstract = "The aim of this work was to study the applicability of laser induced breakdown spectroscopy (LIBS) as an in situ method for monitoring plasma facing materials in fusion reactors. Tungsten coated samples were exposed to Magnum PSI plasma using two different regimes: the steady-state (the sequence of approximately 11 s pulses) and the ELM-like. Right after the plasma exposure samples were tested with LIBS in the Magnum PSI analyses and target exchange chamber. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to characterize the surface morphology and crystallinity. These methods showed that changes at the sample surface caused by used ELM-like mode did not differ remarkably from those caused by steady-state mode. Surface temperature had significant effect on the surface structure. In addition post mortem LIBS measurements were performed that gave result similar to that of in situ LIBS.",

author = "Kaarel Piip and {De Temmerman}, G. and {van der Meiden}, H.J. and A. Lissovski and J. Karhunen and M. Aints and Antti Hakola and P. Paris and M. Laan and Jari Likonen and I. Jogi and J. Kozlova and H. M{\"a}ndar",

note = "Project code: 104445 ",

year = "2015",

doi = "10.1016/j.jnucmat.2014.11.017",

language = "English",

volume = "463",

pages = "919--922",

journal = "Journal of Nuclear Materials",

issn = "0022-3115",

publisher = "Elsevier",

}

TY - JOUR

T1 - LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma

AU - Piip, Kaarel

AU - De Temmerman, G.

AU - van der Meiden, H.J.

AU - Lissovski, A.

AU - Karhunen, J.

AU - Aints, M.

AU - Hakola, Antti

AU - Paris, P.

AU - Laan, M.

AU - Likonen, Jari

AU - Jogi, I.

AU - Kozlova, J.

AU - Mändar, H.

N1 - Project code: 104445

PY - 2015

Y1 - 2015

N2 - The aim of this work was to study the applicability of laser induced breakdown spectroscopy (LIBS) as an in situ method for monitoring plasma facing materials in fusion reactors. Tungsten coated samples were exposed to Magnum PSI plasma using two different regimes: the steady-state (the sequence of approximately 11 s pulses) and the ELM-like. Right after the plasma exposure samples were tested with LIBS in the Magnum PSI analyses and target exchange chamber. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to characterize the surface morphology and crystallinity. These methods showed that changes at the sample surface caused by used ELM-like mode did not differ remarkably from those caused by steady-state mode. Surface temperature had significant effect on the surface structure. In addition post mortem LIBS measurements were performed that gave result similar to that of in situ LIBS.

AB - The aim of this work was to study the applicability of laser induced breakdown spectroscopy (LIBS) as an in situ method for monitoring plasma facing materials in fusion reactors. Tungsten coated samples were exposed to Magnum PSI plasma using two different regimes: the steady-state (the sequence of approximately 11 s pulses) and the ELM-like. Right after the plasma exposure samples were tested with LIBS in the Magnum PSI analyses and target exchange chamber. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to characterize the surface morphology and crystallinity. These methods showed that changes at the sample surface caused by used ELM-like mode did not differ remarkably from those caused by steady-state mode. Surface temperature had significant effect on the surface structure. In addition post mortem LIBS measurements were performed that gave result similar to that of in situ LIBS.

U2 - 10.1016/j.jnucmat.2014.11.017

DO - 10.1016/j.jnucmat.2014.11.017

M3 - Article

SN - 0022-3115

VL - 463

SP - 919

EP - 922

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

ER -

LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma

Abstract

UN SDGs

Access to Document

Fingerprint

Cite this