Tritium retention in nanostructured tungsten with large effective surface area
Tritium retention in nanostructured tungsten with large effective surface area
复制标题
具有大有效表面积的纳米结构钨中的氚保留
DOI：
10.1016/j.jnucmat.2013.01.252
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发表时间：
2013
影响因子：
3.1
通讯作者：
N. Ohno
中科院分区：
文献类型：
--
作者：
M. Yajima;Y. Hatano;S. Kajita;Jie Shi;M. Hara;N. Ohno
在偏滤器等离子体模拟器NAGDIS-II中，采用不同氦注量的氦等离子体，制备了具有纤维状纳米结构（Nano-W）的钨样品。为了比较，还制备了具有光滑表面的钨试样（抛光-W）。采用Brunauer、埃米特和Teller（B.E.T.）法采用成像板（IP）和β射线感生X射线能谱（BIXS）技术研究了纳米钨和抛光钨在氘氚混合气体中的氚滞留特性。结果发现，纳米钨的表面积显着大于抛光钨，并增加成比例的氦照射量。另一方面，当氦注量高于5.0× 1025 m −2时，氚的滞留呈现饱和趋势。
Tungsten specimens with fiberform nanostructure (Nano-W) were prepared by exposure to helium plasma in the divertor plasma simulator NAGDIS-II with different amounts of helium fluence. For comparison, tungsten specimens with smooth surface (Polished-W) were also prepared. Surface area of Nano-W was measured by using Brunauer, Emmet and Teller (B.E.T.) method. Tritium retention of Nano-W and Polished-W was investigated by an imaging plate (IP) and β-ray induced X-ray spectrometry (BIXS) technique exposure to mixture gas of deuterium and tritium. It was found that surface area of Nano-W was significantly larger than that of Polished-W and increased in proportion to the amount of helium irradiation. On the other hand, tritium retention showed a saturation trend when the helium fluence was higher than 5.0×1025m−2.
影响因子：
2.3
作者：
Kajita, Shin;Saeki, Tsubasa;Iwamae, Atsushi
通讯作者：
Iwamae, Atsushi
影响因子：
3.3
作者：
Miyamoto, M.;Nishijima, D.;Hanna, J.
通讯作者：
Hanna, J.
影响因子：
3.1
作者：
Nishijima, D;Ye, MY;Takamura, S
通讯作者：
Takamura, S