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The Education, Training & Workforce Development Division provides communication among the academic, industrial, and governmental communities through the exchange of views and information on matters related to education, training and workforce development in nuclear and radiological science, engineering, and technology. Industry leaders, education and training professionals, and interested students work together through Society-sponsored meetings and publications, to enrich their professional development, to educate the general public, and to advance nuclear and radiological science and engineering.
2021 Student Conference
April 8–10, 2021
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Fusion Science and Technology
ANS webinar to focus on low-dose radiation risk
Join ANS on Thursday, January 21, at noon (ET) for a Q&A with an expert panel as they discuss how to communicate about the risk of low-dose radiation. “Talking About Low-dose Radiation Risk” is a free members-only event that serves as a follow-up to the “Risky Business” President’s Session that took place during the ANS Virtual Winter Meeting last November. The session will take a deeper dive into the many questions generated from the thought-provoking discussion.
Register now to attend the webinar.
S. Le Tacon, F. Durut, C. Chicanne, V. Brunet
Fusion Science and Technology | Volume 63 | Number 2 | March-April 2013 | Pages 132-135
Technical Paper | Selected papers from 20th Target Fabrication Meeting, May 20-24, 2012, Santa Fe, NM, Guest Editor: Robert C. Cook | dx.doi.org/10.13182/FST13-A16330
Articles are hosted by Taylor and Francis Online.
Glass thin films appear particularly interesting as semipermeable barriers for many noncryogenic target applications. This functional layer can be sputtered from quartz targets onto CHx microshells synthesized by glow discharge polymerization. In the present work, we investigate the influence of deposit parameters (pressure, RF power, target-holder distance, and plasma composition) on glass coating microstructure and permeation properties. The permeation properties of CHx/SiO2/CHx capsules are studied by mass spectrometry using deuterium (D2) as the filling gas. The use of a low deposition pressure and a high RF power in a background atmosphere of argon appears essential to obtain the most efficient barrier. The optimized sputtering conditions allow deuterium half-lives of 1 month on 1700-m CHx capsules, including a 1-m-thick SiO2 coating (corresponding to a permeation coefficient of 3 × 10-20 molm-1s-1Pa-1). These capsules could be filled to the required pressures ([approximately]3 MPa) for Laser Mégajoule (LMJ) experiments.