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Confinement transitions in TJ-II under Li-coated wall conditions

Sanchez, J.; Acedo, M.; Alonso, A.; Alonso, J.; Alvarez, P.; Ascasibar, E.; Baciero, A.; Balbin, R.; Barrera, L.; Blanco, E.; Botija, J.; Pretty, David

Description

This paper presents the latest results on confinement studies in the TJ-II stellarator. The inherently strong plasma-wall interaction of TJ-II has been successfully reduced after lithium coating by vacuum evaporation. Besides H retention and low Z, Li was chosen because there exists a reactor-oriented interest in this element, thus giving special relevance to the investigation of its properties. The Li-coating has led to important changes in plasma performance. Particularly, the effective...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/21758
Source: Nuclear Fusion
DOI: 10.1088/0029-5515/49/10/104018

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