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Nanostructures in controlled thermonuclear fusion devicesa National Research Centre ‘Kurchatov Institute’, pl. akad. Kurchatova 1, Moscow, 123182, Russian Federation b Institute of Nuclear Fusion, Russian Research Centre Kurchatov Institute, pl. Kurchatova 46, Moscow, 123182, Russian Federation It is shown that the presence of nano-sized and nanostructured erosion products not only affects the operation of thermonuclear devices but also, to a large extent, determines the safety and economy of future thermonuclear reactors. The formation mechanisms and the characteristics and properties of deposited films and nano-sized dust that form in tokamaks are reviewed.
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