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IAEA’s Grossi joins seawater sampling at Fukushima Daiichi
International cooperation in the monitoring of radiation levels in seawater near the disabled Fukushima Daiichi nuclear power plant continues. Scientists from China, South Korea, and Switzerland were recently joined by International Atomic Energy Agency Director General Rafael Mariano Grossi as they collected seawater samples under the “additional measures” framework, which was adapted in 2024 to increase the participation of other countries and enhance the transparency of the IAEA-led analyses.
M. Theobald, P. Baclet, O. Legaie., J. Durand.
Fusion Science and Technology | Volume 38 | Number 1 | July 2000 | Pages 62-68
Technical Paper | Thirteenth Target Fabrication Specialists’ Meeting | doi.org/10.13182/FST00-A36118
Articles are hosted by Taylor and Francis Online.
Amorphous hydrogenated carbon films are the nominal ablators to be used in French inertial confinement fusion (ICF) experiments. These targets are developed for the future Megajoule laser (LMJ) of the CEA. Coatings are prepared by remote rf-PECVD and their properties have been investigated. Laser fusion targets must have optimized optical characteristics (UV-visible transparency), mechanical strength, high gas permeability, low oxygen pollution. The films are characterized by 13C NMR, RBS, UV-visible spectroscopy, gas permeation, thermogravimetric analysis. A study of the glow discharge is also developed using optical emission spectroscopy and mass spectrometry. In this article, we try to understand the relationships between precursors, plasma composition, deposition rate and film properties.Best results are obtained with trans-2-butene/hydrogen (T2B/H2) coatings in post-discharge.
