Solid Material Development with the Argonne National Laboratory ECR Ion Sources

R.Vondrasek; R.Scott; R.Pardo

Chinese Physics C> 2007, Vol. 31> Issue(S1) : 101-104

Solid Material Development with the Argonne National Laboratory ECR Ion Sources

Argonne National Laboratory, 9700 S. Cass Ave, Argonne, IL 60439, USA

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Abstract：
Development work with solid materials at the Argonne National Laboratory ECR ion sources has been focused on two areas - introduction of materials with low vapour pressures, and increasing the beam intensities of heavy beams (i.e. - lead and uranium). An induction oven, with a demonstrated operating temperature extending to 2000℃, has been utilized to produce a Ti-50 beam with an intensity of 5.5eμA (12+). In addition, a refinement of the sputter technique has been employed which has resulted in a 42% improvement in lead beam intensities. Details of the induction oven as well as the refined sputter technique will be presented.

References

[1]

. Harkewicz R et al. Rev. Sci. Instrum., 1995, 66: 28832. Nassar H et al. Physical Review Letters, 2005, 94: 93. Schlapp M et al. Proceedings of the 13th International Workshop on ECR Ion Sources, College Station, TX, 1997,224. Vondrasek R C, Pardo R C. Proceedings of the 14th International Workshop on ECR Ion Sources, CERN, Geneva,Switzerland, 1999, 1915. www.Ameritherm.com6. Private communication7. Private communication

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R.Vondrasek, R.Scott, R.Pardo and Solid Material Development with the Argonne National Laboratory ECR Ion Sources[J]. Chinese Physics C, 2007, 31(S1): 101-104.

R.Vondrasek, R.Scott, R.Pardo and Solid Material Development with the Argonne National Laboratory ECR Ion Sources[J]. Chinese Physics C, 2007, 31(S1): 101-104. shu

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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

Solid Material Development with the Argonne National Laboratory ECR Ion Sources

R.Vondrasek ^,
R.Scott
R.Pardo ^,

Corresponding author: R.Vondrasek,

Corresponding author: R.Pardo,

Argonne National Laboratory, 9700 S. Cass Ave, Argonne, IL 60439, USA

Received Date: 2007-05-30
Accepted Date: 1900-01-01
Available Online: 2007-01-03

Abstract: Development work with solid materials at the Argonne National Laboratory ECR ion sources has been focused on two areas - introduction of materials with low vapour pressures, and increasing the beam intensities of heavy beams (i.e. - lead and uranium). An induction oven, with a demonstrated operating temperature extending to 2000℃, has been utilized to produce a Ti-50 beam with an intensity of 5.5eμA (12+). In addition, a refinement of the sputter technique has been employed which has resulted in a 42% improvement in lead beam intensities. Details of the induction oven as well as the refined sputter technique will be presented.