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Cited by 11Ion-surface interactions and analysisSurface and Thin Film PhenomenaElectron and X-Ray Spectroscopy Techniques

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Surface science motivated by heating of trapped ions from the quantum ground state

Open access
Hite, D A, McKay, K S, Pappas, D P·2021·New Journal of Physics
DOI 10.1088/1367-2630/ac2c2cPMC PMC10938442
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Abstract

For the past two and a half decades, anomalous heating of trapped ions from nearby electrode surfaces has continued to demonstrate unexpected results. Caused by electric-field noise, this heating of the ions' motional modes remains an obstacle for scalable quantum computation with trapped ions. One of the anomalous features of this electric-field noise is the reported nonmonotonic behavior in the heating rate when a trap is incrementally cleaned by ion bombardment. Motivated by this result, the present work reports on a surface analysis of a sample ion-trap electrode treated similarly with incremental doses of Ar + ion bombardment. Kelvin probe force microscopy and x-ray photoelectron spectroscopy were used to investigate how the work functions on the electrode surface vary depending on the residual contaminant coverage between each treatment. It is shown that the as-fabricated Au electrode is covered with a hydrocarbon film that is modified after the first treatment, resulting in work functions and core-level binding energies that resemble that of atomic-like carbon on Au. Changes in the spatial distribution of work functions with each treatment, combined with a suggested phenomenological coverage and surface-potential roughness dependence to the heating, appear to be related to the nonmonotonic behavior previously reported.

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  • This flexibility of ion placement has advantages in many areas of ion-trap physics, for instance, in placing ions in anti-nodes of optical cavities, or sampling field noise from surfaces of interest.

    “This flexibility of ion placement has advantages in many areas of ion-trap physics, for instance, in placing ions in anti-nodes of optical cavities58, or sampling field noise from surfaces of interest59,60.”

    From Penning micro-trap for quantum computing (2024) · cites this paper as [59]

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Cited by

Sorted by citations

  • Penning micro-trap for quantum computing

    Jain, S., Sägesser, T., Hrmo, P., Torkzaban, C., Stadler, M., Oswald, R., Axline, C., Bautista-Salvador, A., Ospelkaus, C., Kienzler, D., et al. (2024) · Nature · doi:10.1038/s41586-024-07111-x · Cited by 33

    “This flexibility of ion placement has advantages in many areas of ion-trap physics, for instance, in placing ions in anti-nodes of optical cavities 58 , or sampling field noise from surfaces of interest 59,60 .”

Metadata

Authors
Hite, D. A., McKay, K. S., & Pappas, D. P.
Affiliations
National Institute of Standards and Technology (US)
Corresponding author
Hite, D A
ORCID
Venue
New Journal of Physics
Publisher
IOP Publishing
Published
2021-10-01
Volume
23
Issue
10
Pages
103028
ISSN
1367-2630 (ISSN-L)
DOI
10.1088/1367-2630/ac2c2c
PMC
PMC10938442
OpenAlex
W3156122005
Cited by
11
References
1
Citations by year
2026: 4 · 2025: 2 · 2024: 4 · 2023: 1
FWCI
0.71
Type
journal article
Language
en
Open access
Licence
Locations
  • New Journal of Physics (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • U.S. Department of Commerce (70NANB18H006)
  • National Institute of Standards and Technology (70NANB18H006)
  • University of Colorado Boulder (70NANB18H006)
Topics
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Ion-surface interactions and analysis
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Surface and Thin Film Phenomena
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Electron and X-Ray Spectroscopy Techniques
Keywords
trapped ions, anomalous heating, electric field noise, gold electrode surfaces, work function, hydrocarbon contamination, core-level binding energies, surface analysis

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