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A simple radionuclide-driven single-ion source
Journal article   Open access   Peer reviewed

A simple radionuclide-driven single-ion source

M. Montero Diez, K. Twelker, W. Fairbank, G. Gratta, P. S. Barbeau, K. Barry, R. DeVoe, M. J. Dolinski, M. Green, F. LePort, …
Review of scientific instruments, v 81(11), pp 113301-113301-5
01 Nov 2010
PMID: 21133463
url
https://arxiv.org/abs/1008.3422View

Abstract

Instruments & Instrumentation Physical Sciences Physics Physics, Applied Science & Technology Technology
We describe a source capable of producing single barium ions through nuclear recoils in radioactive decay. The source is fabricated by electroplating Gd-148 onto a silicon alpha-particle detector and vapor depositing a layer of BaF2 over it. Sm-144 recoils from the alpha decay of Gd-148 are used to dislodge Ba+ ions from the BaF2 layer and emit them in the surrounding environment. The simultaneous detection of an alpha particle in the substrate detector allows for tagging of the nuclear decay and of the Ba+ emission. The source is simple, durable, and can be manipulated and used in different environments. We discuss the fabrication process, which can be easily adapted to emit most other chemical species, and the performance of the source. (C) 2010 American Institute of Physics. [doi:10.1063/1.3499505]

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Domestic collaboration
International collaboration
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Instruments & Instrumentation
Physics, Applied
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