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Formation of Nanostructured Tungsten with Arborescent Shape due to Helium Plasma Irradiation
Plasma and Fusion Research · 2006 · Vol. 1 · pp. 051–051
Shuichi Takamura✉(Nagoya University)N. Ohno(Nagoya University)Dai Nishijima(Nagoya University)Shin Kajita(Nagoya University)
Abstract
Deeply nanostructured tungsten with an arborescent shape was found for the first time to be formed on tungsten-coated graphite by a high-flux helium plasma irradiation at surface temperatures of 1250 and 1600 K, an incident ion energy of 12 eV (well below the physical sputtering threshold) and a helium ion fluence of 3.5 × 1027 m-2.
Fusion materials and technologiesDiamond and Carbon-based Materials ResearchIon-surface interactions and analysisTungstenHeliumMaterials scienceIrradiationFluenceSputteringPlasmaIonGraphiteAtomic physics
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