Effect of noble gas ion pre-irradiation on deuterium retention in tungsten
Cheng, L; Zhao, ZH; De Temmerman, G; Yuan, Y; Morgan, TW; Guo, LP; Wang, B; Zhang, Y; Wang, BY; Zhang, P; Cao, XZ; Lu, GH; Wang BY(王宝义); Zhang P(张鹏); Cao XZ(曹兴忠)
刊名PHYSICA SCRIPTA
2016
卷号T167
关键词noble gas tungsten deuterium retention
DOI10.1088/0031-8949/2015/T167/014001
文章类型期刊论文
英文摘要Impurity seeding of noble gases is an effective way of decreasing the heat loads onto the divertor targets in fusion devices. To investigate the effect of noble gases on deuterium retention, tungsten targets have been implanted by different noble gas ions and subsequently exposed to deuterium plasma. Irradiation induced defects and deuterium retention in tungsten targets have been characterized by positron annihilation Doppler broadening and thermal desorption spectroscopy. Similar defect distributions are observed in tungsten irradiated by neon and argon, while it is comparatively low in the case of helium. The influence of helium pre-irradiation on deuterium trapping is found to be small based on the desorption spectrum compared with that of the pristine one. Neon and argon pre-irradiation leads to an enhancement of deuterium trapping during plasma exposure. The influence on deuterium retention is found to be argon > neon > helium when comparing at a similar crystal damage level.
类目[WOS]Physics, Multidisciplinary
关键词[WOS]SURFACE
语种英语
WOS记录号WOS:000383504700001
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260304
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Cheng, L,Zhao, ZH,De Temmerman, G,et al. Effect of noble gas ion pre-irradiation on deuterium retention in tungsten[J]. PHYSICA SCRIPTA,2016,T167.
APA Cheng, L.,Zhao, ZH.,De Temmerman, G.,Yuan, Y.,Morgan, TW.,...&曹兴忠.(2016).Effect of noble gas ion pre-irradiation on deuterium retention in tungsten.PHYSICA SCRIPTA,T167.
MLA Cheng, L,et al."Effect of noble gas ion pre-irradiation on deuterium retention in tungsten".PHYSICA SCRIPTA T167(2016).
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