Marot, Laurent and Meyer, E. and Rubel, M. and Ivanova, D. and Widdowson, A. and Coad, J. P. and Likonen, J. and Hakola, A. and Koivuranta, S. and De Temmerman, G.. (2013) Performances of Rh and Mo Mirrors under JET Exposure. Journal of Nuclear Materials, 438 (Supplement). S1187-S1191.
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Official URL: https://edoc.unibas.ch/94831/
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Abstract
The aim of this work was to provide a comprehensive surface characterization of rhodium and molybdenum mirrors exposed on the main chamber wall of JET during campaigns with carbon plasma-facing components. As determined using X-ray photoelectron spectroscopy, Secondary Ion Mass Spectrometry , Scanning Electron Microscopy and optical measurements the co-deposits formed on the mirrors were composed of C, Be, Ni, Mo and Fe. Most of the metallic elements on the surface were in the oxidized states. After removing a part of the film by sputtering with Ar + ions, Mo carbide state was studied by XPS. The reflectivity measurements showed the dependence of the thickness of the deposited film on the optical properties of the mirror: a thinner film on the Mo mirrors results in an identical reduction in reflectivity as that seen on the exposed Rh mirror.
| Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer) |
|---|---|
| UniBasel Contributors: | Marot, Laurent and Meyer, Ernst |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | Elsevier |
| ISSN: | 0022-3115 |
| e-ISSN: | 1873-4820 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
| Identification Number: | |
| Last Modified: | 12 Jun 2023 14:54 |
| Deposited On: | 12 Jun 2023 14:54 |
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