Several methods can be used for the production of metal ion beams in an ECR source. There are many methods, including external oven, MIVOC (Metal Ions from Volatile Organic Compounds), plasma sputter, and so on. The c...Several methods can be used for the production of metal ion beams in an ECR source. There are many methods, including external oven, MIVOC (Metal Ions from Volatile Organic Compounds), plasma sputter, and so on. The choice of the most convenient method mainly depends on the material to be ionized and the structure of each ECR ion source. The oven technique is very efficient for the elements with relatively展开更多
Previous experiments with organo-metallic compounds like ferrocene,nickelocene and magnesocene showed that a pure spectrum must be obtained on the residual gas mass analyser before running successfully on the ion sour...Previous experiments with organo-metallic compounds like ferrocene,nickelocene and magnesocene showed that a pure spectrum must be obtained on the residual gas mass analyser before running successfully on the ion source.In collaboration with the chemistry department of the University of Caen,LCMT-ENSI Caen,the synthesis of these metallocene compounds has been studied to provide enriched isotopic compounds to GANIL’s users.The chemical transformation yields were 90%,80% and 43%,respectively.Vanadocene, chromocene,colbatocene and ruthenocene compounds have first been studied with a gas mass analyser and then successfully tested on the ECR 4M ion source at GANIL.Some 15eμA of ^(51)V^(11+),20eμA of ^(52)Cr^(11+), 22eμA of 59Co^(11+),and 17eμA of ^(102)Ru^(11+) were achieved.The comparison between the results obtained on the gas mass analyser and the ion beams provided by the source has allowed us to validate this method of determining whether or not an organo-metallic compound could be a candidate for running on our ECR ion source.As the ECR ion sources are tuned and used alternately on the GANIL injectors,the available time for the tests is rare,so this method could be an alternative for the validation of new compounds.展开更多
文摘Several methods can be used for the production of metal ion beams in an ECR source. There are many methods, including external oven, MIVOC (Metal Ions from Volatile Organic Compounds), plasma sputter, and so on. The choice of the most convenient method mainly depends on the material to be ionized and the structure of each ECR ion source. The oven technique is very efficient for the elements with relatively
文摘Previous experiments with organo-metallic compounds like ferrocene,nickelocene and magnesocene showed that a pure spectrum must be obtained on the residual gas mass analyser before running successfully on the ion source.In collaboration with the chemistry department of the University of Caen,LCMT-ENSI Caen,the synthesis of these metallocene compounds has been studied to provide enriched isotopic compounds to GANIL’s users.The chemical transformation yields were 90%,80% and 43%,respectively.Vanadocene, chromocene,colbatocene and ruthenocene compounds have first been studied with a gas mass analyser and then successfully tested on the ECR 4M ion source at GANIL.Some 15eμA of ^(51)V^(11+),20eμA of ^(52)Cr^(11+), 22eμA of 59Co^(11+),and 17eμA of ^(102)Ru^(11+) were achieved.The comparison between the results obtained on the gas mass analyser and the ion beams provided by the source has allowed us to validate this method of determining whether or not an organo-metallic compound could be a candidate for running on our ECR ion source.As the ECR ion sources are tuned and used alternately on the GANIL injectors,the available time for the tests is rare,so this method could be an alternative for the validation of new compounds.
