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Status of steady-state magnetic diagnostic for ITER and outlook for possible materials of Hall sensors for DEMO
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SYSNO ASEP 0517864 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Status of steady-state magnetic diagnostic for ITER and outlook for possible materials of Hall sensors for DEMO Author(s) Ďuran, Ivan (UFP-V) RID, ORCID
Entler, Slavomír (UFP-V) ORCID
Grover, Ondřej (UFP-V) ORCID
Bolshakova, I. (UA)
Výborný, Karel (FZU-D) RID, ORCID
Kocan, M. (FR)
Jirman, J. (CZ)
Vayakis, G. (FR)
Vasyliev, O. (UA)
Radishevskyi, M. (UA)
Wang, Z. C. (DE)
Neumaier, D. (DE)Number of authors 12 Source Title Fusion Engineering and Design. - : Elsevier - ISSN 0920-3796
Roč. 146, September (2019), s. 2397-2400Number of pages 4 s. Language eng - English Country NL - Netherlands Keywords fusion ; iter ; demo ; Hall sensors ; Steady state magnetic diagnostic Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects 8D15001 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UFP-V - RVO:61389021 UT WOS 000488313700217 EID SCOPUS 85062665290 DOI 10.1016/j.fusengdes.2019.03.201 Annotation The ITER outer vessel steady state (OVSS) magnetic diagnostic employing bismuth Hall sensors is presently being manufactured. New results on understanding and analytical description of a rather complex dependence of bismuth Hall coefficient on magnetic field and temperature are presented. Both, dependence of bismuth Hall coefficient on temperature and magnetic field is captured by a single analytical function while the error of the fit is comparable to the maximum allowed error of the ITER OVSS diagnostic. Results of FISPACT simulation of indium transmutation under ITER OVSS like neutron fluence are presented. Indium is used within OVSS sensors to provide periodic in-situ recalibration of embedded thermocouples. It is demonstrated that additional impurities introduced by indium transmutation does not compromise precision of the ITER OVSS diagnostic. Finally, outlook for Hall sensing materials (InAs, Bi, BiCu, Sb, Au-nanofilms, and graphene) potentially applicable for DEMO steady state sensors is given reviewing their properties in relation to the harsh environmental constraints posed to their implementation on DEMO reactor. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2020 Electronic address https://www.sciencedirect.com/science/article/pii/S0920379619305344?via%3Dihub
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