Incident ion energy dependence of bubble formation on tungsten surface with low energy and high flux helium plasma irradiation

Nishijima, D.; Ye, M.Y.; Ohno, N.; Takamura, S.

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Incident ion energy dependence of bubble formation on tungsten surface with low energy and high flux helium plasma irradiation

Nishijima, D.; Ye, M.Y.; Ohno, N.; Takamura, S.2003

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AbstractAbstract

[en] Tungsten (W) specimens were irradiated by low energy (<65 eV) and high flux (∼10^22-23 m^-2 s^-1) helium plasma to investigate the incident ion energy dependence of helium bubble formation. Experimental results indicate the existence of the incident ion energy threshold for the bubble formation. The threshold energy around 15 eV could associate with the surface potential for He ions entering to the W surface

Primary Subject

ATOMIC AND MOLECULAR PHYSICS (S74)

Secondary Subject

PLASMA PHYSICS AND FUSION TECHNOLOGY (S70)

Source

PSI-15: 15. international conference on plasma-surface interactions in controlled fusion devices; Gifu (Japan); 26-31 May 2002; S0022311502013685; Copyright (c) 2003 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)

Record Type

Journal Article

Literature Type

Conference

Journal

Journal of Nuclear Materials; ISSN 0022-3115;

; CODEN JNUMAM; v. 313-316(3-4); p. 97-101

Country of publication

Netherlands

Descriptors (DEI)

BUBBLES, ENERGY DEPENDENCE, EV RANGE 10-100, HELIUM, HELIUM IONS, PLASMA, SYNTHESIS, THRESHOLD ENERGY, TUNGSTEN

Descriptors (DEC)

CHARGED PARTICLES, ELEMENTS, ENERGY, ENERGY RANGE, EV RANGE, FLUIDS, GASES, IONS, METALS, NONMETALS, RARE GASES, REFRACTORY METALS, TRANSITION ELEMENTS

LanguageLanguage

English

Reference NumberReference Number

34050954

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