Open AccessOptimized deceleration characteristics of multicharged ion beams from electron cyclotron resonance ion source
Author(s) -
Koichi Sato,
Shuhei Harisaki,
Wataru Kubo,
Issei Owada,
Kazuki Tsuda,
Masahiro Anan,
T Maenaka,
Yuichi Kato
Publication year - 2022
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2244/1/012098
Subject(s) - electron cyclotron resonance , atomic physics , ion , ion beam deposition , ion gun , sputtering , ion source , ion beam , beam (structure) , irradiation , plasma , ion thruster , materials science , physics , nuclear physics , optics , thin film , quantum mechanics , nanotechnology
At present it is necessary the satellite lifetime 10-15 years for operating in space. Xenon is used as fuel for ion engines of satellites. There are problems of accumulated damages at irradiation and sputtering by low energy Xe ion from the engine. It is required to construct database of sputtering yield of ion beams in the low energy region from a hundred eV to 1keV. We are trying to investigate experimentally sputtering yield on satellite component by irradiating the low energy Xe q+ ion beams. We use the electron cyclotron resonance ion source (ECRIS) in the irradiation experiments. We decelerate the beam energy to several hundred eV after extraction at high voltage 10kV. It is found we cannot neglect the contribution of the space potential of the plasma in the ECRIS of several tens eV. We measured the plasma parameters and ion beam deceleration characteristics in operating conditions on ECRIS. As the results, it was found in operating ECRIS condition of low charge state ion being dominant that the space potential of the ECRIS has an effect of 10∼20% at the beam energy at about 100eV in conducting irradiation experiments on satellite component materials.