TITLE

A simple radionuclide-driven single-ion source

AUTHOR(S)
Montero Díez, M.; Twelker, K.; Fairbank, W.; Gratta, G.; Barbeau, P. S.; Barry, K.; DeVoe, R.; Dolinski, M. J.; Green, M.; LePort, F.; Müller, A. R.; Neilson, R.; O'Sullivan, K.; Ackerman, N.; Aharmin, B.; Auger, M.; Benitez-Medina, C.; Breidenbach, M.; Burenkov, A.; Cook, S.
PUB. DATE
November 2010
SOURCE
Review of Scientific Instruments;Nov2010, Vol. 81 Issue 11, p113301
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We describe a source capable of producing single barium ions through nuclear recoils in radioactive decay. The source is fabricated by electroplating 148Gd onto a silicon α-particle detector and vapor depositing a layer of BaF2 over it. 144Sm recoils from the alpha decay of 148Gd are used to dislodge Ba+ ions from the BaF2 layer and emit them in the surrounding environment. The simultaneous detection of an α 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.
ACCESSION #
55509310

 

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