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Fusion Science and Technology
Latest News
Geological work begins on Poland’s first nuclear plant
Project management firm Bechtel started site geological surveys for Poland’s first nuclear power plant project, the company announced on Wednesday.
Bechtel will conduct in-depth geological surveys at the Lubiatowo-Kopalino site in the Pomeranian municipality of Choczewo, in northern Poland. This is a key milestone for the country’s entry into nuclear power production, as the surveys will inform the suitability of the planned site.
Q. Qi, X. F. Wang, L. Q. Shi, L. Zhang, B. Zhang, Y. F. Lu, A. Liu
Fusion Science and Technology | Volume 60 | Number 4 | November 2011 | Pages 1483-1486
Interaction with Materials | Proceedings of the Ninth International Conference on Tritium Science and Technology (Part 2) | doi.org/10.13182/FST11-A12712
Articles are hosted by Taylor and Francis Online.
Helium atoms are introduced into Cu films at room temperature by direct current (DC) magnetron sputtering in a He/Ar mixed atmosphere. The doped helium atoms are distributed evenly in the film and the content can be easily controlled by changing the process parameters. The structure of Cu films with trapped helium was investigated by X-ray diffraction (XRD) technology. With increasing helium irradiation flux, the lattice spacing and width of diffraction peaks increased due to helium effects, corresponding to the increase of finite and infinite size defects in the film. The shape of thermal desorption spectrum (TDS) and the number of peaks strongly depended on the amount of helium introduced into Cu. With increase of helium content, helium release temperature decreases. At the same amount of helium, the peak temperature became higher with increase of heating rate and from this we can obtain a picture which could calculate the activation energy of helium desorption.