Status of steady-state magnetic diagnostic for ITER and outlook for possible materials of Hall sensors for DEMO

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F19%3A00517864" target="_blank" >RIV/61389021:_____/19:00517864 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0920379619305344?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0920379619305344?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.fusengdes.2019.03.201" target="_blank" >10.1016/j.fusengdes.2019.03.201</a>

Result language
angličtina
Original language name
Status of steady-state magnetic diagnostic for ITER and outlook for possible materials of Hall sensors for DEMO
Original language description
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.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)

Project
<a href="/en/project/8D15001" target="_blank" >8D15001: Project ID 633053 - EUROfusion</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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