K. Savkin, E. Oks, V. Gushenets, V. Frolova, A. Nikolaev, G. Yushkov
{"title":"Vacuum arc ion source with compound cathode and beam separation by bending magnet","authors":"K. Savkin, E. Oks, V. Gushenets, V. Frolova, A. Nikolaev, G. Yushkov","doi":"10.1109/DEIV.2016.7764029","DOIUrl":null,"url":null,"abstract":"The paper reports on a mass-charge spectrometry study of ion beams extracted from the plasma of a vacuum arc discharge with a compound lanthanum hexaboride cathode. The elemental composition of the ion beams was analyzed using a magnetic separator. The vacuum arc operated in repetitive pulsed mode with a current amplitude of 140 A, full width at the base of ~350 μs, and frequency of 2 Hz. The ion-extracting dc voltage was 20 kV. The absolute currents of B+, B2+, and B3+ ions were several hundred microamperes. The extraction of mono-element B ion beams with a low energy spread from the plasma of a vacuum arc is attractive for use in ion beam boriding technologies.","PeriodicalId":296641,"journal":{"name":"2016 27th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 27th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DEIV.2016.7764029","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The paper reports on a mass-charge spectrometry study of ion beams extracted from the plasma of a vacuum arc discharge with a compound lanthanum hexaboride cathode. The elemental composition of the ion beams was analyzed using a magnetic separator. The vacuum arc operated in repetitive pulsed mode with a current amplitude of 140 A, full width at the base of ~350 μs, and frequency of 2 Hz. The ion-extracting dc voltage was 20 kV. The absolute currents of B+, B2+, and B3+ ions were several hundred microamperes. The extraction of mono-element B ion beams with a low energy spread from the plasma of a vacuum arc is attractive for use in ion beam boriding technologies.
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