http://www.cnr.it/ontology/cnr/individuo/prodotto/ID268598
SIMS analysis of the interaction between plasmas and the graphite first wall in RFX-mod (Articolo in rivista)
- Type
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- SIMS analysis of the interaction between plasmas and the graphite first wall in RFX-mod (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/sia.5063 (literal)
- Alternative label
Fiameni Stefania ; Barison Simona ; Canton Alessandra ; Dal Bello Samuele ; Innocente Paolo ; Pagura Cesare ; Fabrizio Monica; Daolio Sergio (2013)
SIMS analysis of the interaction between plasmas and the graphite first wall in RFX-mod
in SIA. Surface and interface analysis; WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ (Stati Uniti d'America)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Fiameni Stefania ; Barison Simona ; Canton Alessandra ; Dal Bello Samuele ; Innocente Paolo ; Pagura Cesare ; Fabrizio Monica; Daolio Sergio (literal)
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- E-ISSN 1096-9918 (literal)
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- http://onlinelibrary.wiley.com/doi/10.1002/sia.5063/abstract (literal)
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- 1,2,6,7,8 : CNR-IENI Institute for Energetics and Interphases, Corso Stati Uniti, 4, 35127 Padova, Italy; /
3,4,5 : Consorzio RFX, Associazione EURATOM/ENEA sulla Fusione, Corso Stati Uniti 4, 35127 Padova, Italy. (literal)
- Titolo
- SIMS analysis of the interaction between plasmas and the graphite first wall in RFX-mod (literal)
- Abstract
- Modified Reversed-Field eXperiment is an experiment of magnetic confinement of thermonuclear plasma in the Reversed-Field Pinch configuration. The toroidal device is designed to operate with hydrogen plasmas, and the most internal wall is entirely covered with polycrystalline graphite tiles. The disadvantage of graphite walls is the progressive hydrogen accumulation in graphite during operation. To overcome this problem, some graphite conditioning procedures are necessary (e.g. boronization, lithization and glow discharge). The critical role of graphite walls on plasma control suggested the use of secondary ion mass spectrometry (SIMS) technique for the evaluation of conditioning procedures efficacy. SIMS analyses of graphite samples after their exposure to plasmas or wall conditioning treatments are presented in this work. The SIMS technique resulted fundamental on the investigation of the boron distribution in the graphite tiles, and sample comparisons indicated the need for glow discharge cleaning system upgrading to improve the conditioning process and boronization uniformity. (literal)
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