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Fuzzy nanostructure growth occurs on tungsten (W) surfaces by the exposure to helium (He) plasmas. We investigated pulsation effect in the incident energy of He ions on W fuzz growth.… Click to show full abstract
Fuzzy nanostructure growth occurs on tungsten (W) surfaces by the exposure to helium (He) plasmas. We investigated pulsation effect in the incident energy of He ions on W fuzz growth. It is shown that He irradiation contributes to the growth of fuzzy layer even if the incident ion energy was less than the threshold energy of 20 30 eV. When the duty cycle of the pulse was 1 10 %, 7 8 eV He ion irradiation have contributed to the fuzz growth in addition to high (> 60 eV) energy ion irradiation, and the growth rate was enhanced.
Keywords:
incident ion;
energy;
ion energy;
fuzz growth;
growth
Journal Title: Plasma and Fusion Research
Year Published: 2018
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Journal Title: Plasma and Fusion Research
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!