Status Report on Organo-metallic Beams at GANIL

P.Lehérissier<SUP>1</SUP>; C.Barué<SUP>1</SUP>; C.Canet<SUP>1</SUP>; M.Dubois<SUP>1</SUP>; M.Dupuis<SUP>1</SUP>; J.L.Flambard<SUP>1</SUP>; P.A.Jaffres<SUP>2</SUP>; P.Jardin<SUP>1</SUP>; <BR>G.Gaubert<SUP>1</SUP>; N.Lecesne<SUP>1</SUP>; F.Lemagnen<SUP>1</SUP>; R.Leroy<SUP>1</SUP>; J.Y.Pacquet<SUP>1</SUP>

Chinese Physics C> 2007, Vol. 31> Issue(S1) : 85-89

Status Report on Organo-metallic Beams at GANIL

GANIL Grand Accelerateur National d'Ions Lourds, Bd H. Becquerel, BP 55027, 14076 CAEN Cedex 5, France2 ENSI CAEN-LCMT- 6 Bd Marechal Juin, 14050 CAEN Cedex, France

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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 ⁵¹V¹¹⁺, 20eμA of ⁵²Cr¹¹⁺, 22eμA of ⁵⁹Co¹¹⁺, and 17eμA of ¹⁰²Ru¹¹⁺ 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.

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P.Lehérissier¹, C.Barué¹, C.Canet¹, M.Dubois¹, M.Dupuis¹, J.L.Flambard¹, P.A.Jaffres², P.Jardin¹,
G.Gaubert¹, N.Lecesne¹, F.Lemagnen¹, R.Leroy¹ and J.Y.Pacquet¹. Status Report on Organo-metallic Beams at GANIL[J]. Chinese Physics C, 2007, 31(S1): 85-89.

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Received: 2007-05-30
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Status Report on Organo-metallic Beams at GANIL

GANIL Grand Accelerateur National d'Ions Lourds, Bd H. Becquerel, BP 55027, 14076 CAEN Cedex 5, France2 ENSI CAEN-LCMT- 6 Bd Marechal Juin, 14050 CAEN Cedex, France

Received Date: 2007-05-30

Accepted Date: 1900-01-01

Available Online: 2007-01-03

Abstract: 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 ⁵¹V¹¹⁺, 20eμA of ⁵²Cr¹¹⁺, 22eμA of ⁵⁹Co¹¹⁺, and 17eμA of ¹⁰²Ru¹¹⁺ 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.

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