First measurements of optical emission spectroscopy on SPIDER negative ion source

B Zaniol, M Barbisan, D Bruno, R Pasqualotto… - Review of Scientific …, 2020 - pubs.aip.org
Optical Emission Spectroscopy (OES) on the SPIDER negative ion source has been
collecting data since the beginning of operation in Summer 2018. The first few months were …

Research of Cesium Adsorption on Mo and Ni Based on Temperature-Controlled Quartz Microbalance

F Xue, C Zuo, H Xia, Z Li, D Li… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The appropriate cesium adsorption on the converter (plasma grid) in the negative ion source
is expected to lower surface work function, thus enhancing negative ion production and …

[HTML][HTML] Theoretical calculation of cesium deposition and co-deposition with electronegative elements on the plasma grid in negative ion sources

H Li, X Zhang, Y Xu, G Lei, K Tsumori, M Isobe… - Nuclear Materials and …, 2023 - Elsevier
We studied the work function of cesium deposition and co-deposition with the
electronegative element on the plasma grid (PG) using the first-principles calculations. The …

Thermodynamics and vapourization of Cs-, Sr-, Ba-containing oxide systems valid for nuclear safety problems

VL Stolyarova, AL Shilov, TV Sokolova, M Kurata… - Uspehi …, 2023 - journals.rcsi.science
The review provides a systematic analysis of the studies carried out mainly in the last
decade in which thethermodynamic properties and vapourization of the systems containing …

[HTML][HTML] Investigations on Caesium Dispersion and Molybdenum Coating on SPIDER Components

V Candela, C Cavallini, C Gasparrini, L Armelao… - Materials, 2022 - mdpi.com
SPIDER is the 100 keV full-size Negative Ion Source prototype of the ITER Neutral Beam
Injector, operating at Consorzio RFX in Padova, Italy. The largest Negative Ion Source in the …

[HTML][HTML] Analysis and optimization of cesium dynamics for the HUST negative ion source

F Xue, C Zuo, D Li, D Chen - Nuclear Engineering and Technology, 2024 - Elsevier
The high-density beam in the NBI negative ion source relies on surface production on the
converter with low work function, which is facilitated by cesium injection. Maintaining the …

A model for real time, in situ estimation of cesium coverage on metal substrate using infrared imaging under vacuum

P Singh, M Bandyopadhyay - Review of Scientific Instruments, 2019 - pubs.aip.org
The present work is to develop an infra-red (IR) camera based in situ diagnostic tool for the
determination of cesium (Cs) coverage suitable for ion source applications. Cs seeding is …

Spectral response of rejuvenated Cs-Te photocathodes for optimized production control

PK Katona - 2024 - cds.cern.ch
Precise control of the Cs-Te stoichiometric deposition ratio during the photocathode
fabrication process is essential to optimize the resulting quantum efficiency (QE) and …

Monte Carlo simulation, analytical and experimental studies on the nozzle structure of a Cs vapour delivery system for negative ion sources

P Singh, C Andhare, M Bandyopadhyay - Fusion Engineering and Design, 2020 - Elsevier
Abstract Experimental, analytical and Monte Carlo (MC) based study has been performed to
investigate the nozzle structure of the cesium (Cs) vapour delivery tube of a Cs oven to …

Термодинамические свойства и процессы испарения оксидных систем, содержащих Cs, Sr, Ba, важные для ядерной безопасности

ВЛ Столярова, АЛ Шилов, ТВ Соколова - Russian Chemical Reviews, 2023 - uspkhim.ru
Аннотация Обзор содержит систематический анализ исследований, проведенных,
главным образом, за последние десять лет и посвященных исследованию …