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Two-frequency operation of a Paul trap to optimise confinement of two species of ions

Abstract:

We describe the operation of an electrodynamic ion trap in which the electric quadrupole field oscillates at two frequencies. This mode of operation allows simultaneous tight confinement of ions with extremely different charge-to-mass ratios, e.g., singly ionised atomic ions together with multiply charged nanoparticles. We derive the stability conditions for two-frequency operation from asymptotic properties of the solutions of the Mathieu equation and give a general treatment of the effect o...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1016/j.ijms.2018.05.007

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Atomic & Laser Physics
Oxford college:
St Peters College
Trypogeorgos, D More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Atomic & Laser Physics
Gardner, A More by this author
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Grant:
H2020 Collaborative project QuProCS (Grant Agreement 641277)
Publisher:
Elsevier Publisher's website
Journal:
International Journal of Mass Spectrometry Journal website
Volume:
430
Pages:
117-125
Publication date:
2018-05-21
Acceptance date:
2018-05-08
DOI:
ISSN:
1387-3806
Pubs id:
pubs:853582
URN:
uri:f16e2016-dc65-4164-b5bd-3a15c11e2b91
UUID:
uuid:f16e2016-dc65-4164-b5bd-3a15c11e2b91
Local pid:
pubs:853582

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