Skip to content

Research at St Andrews

Carbonate as sputter target material for rapid 14C AMS

Research output: Contribution to journalArticle

Standard

Carbonate as sputter target material for rapid 14C AMS. / Longworth, Brett E. ; Robinson, Laura F. ; Roberts, Mark L. ; Beaupre, Steven R. ; Burke, Andrea; Jenkins, William J.

In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 294, 01.2013, p. 328-334.

Research output: Contribution to journalArticle

Harvard

Longworth, BE, Robinson, LF, Roberts, ML, Beaupre, SR, Burke, A & Jenkins, WJ 2013, 'Carbonate as sputter target material for rapid 14C AMS' Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 294, pp. 328-334. https://doi.org/10.1016/j.nimb.2012.05.014

APA

Longworth, B. E., Robinson, L. F., Roberts, M. L., Beaupre, S. R., Burke, A., & Jenkins, W. J. (2013). Carbonate as sputter target material for rapid 14C AMS. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 294, 328-334. https://doi.org/10.1016/j.nimb.2012.05.014

Vancouver

Longworth BE, Robinson LF, Roberts ML, Beaupre SR, Burke A, Jenkins WJ. Carbonate as sputter target material for rapid 14C AMS. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 2013 Jan;294:328-334. https://doi.org/10.1016/j.nimb.2012.05.014

Author

Longworth, Brett E. ; Robinson, Laura F. ; Roberts, Mark L. ; Beaupre, Steven R. ; Burke, Andrea ; Jenkins, William J. / Carbonate as sputter target material for rapid 14C AMS. In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 2013 ; Vol. 294. pp. 328-334.

Bibtex - Download

@article{aa98fabd8b5741608df2b4bdf78fdd1d,
title = "Carbonate as sputter target material for rapid 14C AMS",
abstract = "This paper describes a technique for measuring the 14C content of carbonate samples by producing C− ions directly in the negative ion sputter source of an accelerator mass spectrometer (AMS) system. This direct analysis of carbonate material eliminates the time and expense of graphite preparation. Powdered carbonate is mixed with titanium powder, loaded into a target cartridge, and compressed. Beam currents for optimally-sized carbonate targets (0.09–0.15 mg C) are typically 10–20{\%} of those produced by optimally-sized graphite targets (0.5–1 mg C). Modern (>0.8 Fm) samples run by this method have standard deviations of 0.009 Fm or less, and near-modern samples run as unknowns agree with values from traditional hydrolysis/graphite to better than 2{\%}. Targets with as little as 0.06 mg carbonate produce useable ion currents and results, albeit with increased error and larger blank. In its current state, direct sputtering is best applied to problems where a large number of analyses with lower precision are required. These applications could include age surveys of deep-sea corals for determination of historic population dynamics, to identify samples that would benefit from high precision analysis, and for growth rate studies of organisms forming carbonate skeletons.",
keywords = "Accelerator mass spectrometry, Carbon, Graphite, Carbonate, Ion source, Method development, Sputtering",
author = "Longworth, {Brett E.} and Robinson, {Laura F.} and Roberts, {Mark L.} and Beaupre, {Steven R.} and Andrea Burke and Jenkins, {William J.}",
year = "2013",
month = "1",
doi = "10.1016/j.nimb.2012.05.014",
language = "English",
volume = "294",
pages = "328--334",
journal = "Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms",
issn = "0168-583X",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Carbonate as sputter target material for rapid 14C AMS

AU - Longworth, Brett E.

AU - Robinson, Laura F.

AU - Roberts, Mark L.

AU - Beaupre, Steven R.

AU - Burke, Andrea

AU - Jenkins, William J.

PY - 2013/1

Y1 - 2013/1

N2 - This paper describes a technique for measuring the 14C content of carbonate samples by producing C− ions directly in the negative ion sputter source of an accelerator mass spectrometer (AMS) system. This direct analysis of carbonate material eliminates the time and expense of graphite preparation. Powdered carbonate is mixed with titanium powder, loaded into a target cartridge, and compressed. Beam currents for optimally-sized carbonate targets (0.09–0.15 mg C) are typically 10–20% of those produced by optimally-sized graphite targets (0.5–1 mg C). Modern (>0.8 Fm) samples run by this method have standard deviations of 0.009 Fm or less, and near-modern samples run as unknowns agree with values from traditional hydrolysis/graphite to better than 2%. Targets with as little as 0.06 mg carbonate produce useable ion currents and results, albeit with increased error and larger blank. In its current state, direct sputtering is best applied to problems where a large number of analyses with lower precision are required. These applications could include age surveys of deep-sea corals for determination of historic population dynamics, to identify samples that would benefit from high precision analysis, and for growth rate studies of organisms forming carbonate skeletons.

AB - This paper describes a technique for measuring the 14C content of carbonate samples by producing C− ions directly in the negative ion sputter source of an accelerator mass spectrometer (AMS) system. This direct analysis of carbonate material eliminates the time and expense of graphite preparation. Powdered carbonate is mixed with titanium powder, loaded into a target cartridge, and compressed. Beam currents for optimally-sized carbonate targets (0.09–0.15 mg C) are typically 10–20% of those produced by optimally-sized graphite targets (0.5–1 mg C). Modern (>0.8 Fm) samples run by this method have standard deviations of 0.009 Fm or less, and near-modern samples run as unknowns agree with values from traditional hydrolysis/graphite to better than 2%. Targets with as little as 0.06 mg carbonate produce useable ion currents and results, albeit with increased error and larger blank. In its current state, direct sputtering is best applied to problems where a large number of analyses with lower precision are required. These applications could include age surveys of deep-sea corals for determination of historic population dynamics, to identify samples that would benefit from high precision analysis, and for growth rate studies of organisms forming carbonate skeletons.

KW - Accelerator mass spectrometry

KW - Carbon

KW - Graphite

KW - Carbonate

KW - Ion source

KW - Method development

KW - Sputtering

U2 - 10.1016/j.nimb.2012.05.014

DO - 10.1016/j.nimb.2012.05.014

M3 - Article

VL - 294

SP - 328

EP - 334

JO - Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

T2 - Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

JF - Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

SN - 0168-583X

ER -

Related by author

  1. CO2 storage and release in the deep Southern Ocean on millennial to centennial timescales

    Rae, J. W. B., Burke, A., Robinson, L. F., Adkins, J. F., Chen, T., Cole, C., Greenop, R., Li, T., Littley, E., Nita, D. C., Stewart, J. A. & Taylor, B., 24 Oct 2018, In : Nature. 562, p. 569-573 16 p.

    Research output: Contribution to journalLetter

  2. Sulfur isotopes in rivers: insights into global weathering budgets, pyrite oxidation, and the modern sulfur cycle

    Burke, A., Present, T. M., Paris, G., Rae, E. C. M., Sandilands, B. H., Gaillardet, J., Peucker-Ehrenbrink, B., Fischer, W. W., McClelland, J. W., Spencer, R. G. M., Voss, B. M. & Adkins, J. F., 15 Aug 2018, In : Earth and Planetary Science Letters. 496, p. 168-177 10 p.

    Research output: Contribution to journalArticle

  3. Acceleration of northern ice sheet melt induces AMOC slowdown and northern cooling in simulations of the early last deglaciation

    Ivanovic, R., Gregoire, L., Burke, A., Wickert, A. D., Valdes, P. J., Ng, H. C., Robinson, L. F., McManus, J. F., Mitrovica, J. X., Lee, L. & Dentith, J. E., 27 Jul 2018, In : Paleoceanography and Paleoclimatology. Early View, 18 p.

    Research output: Contribution to journalArticle

  4. Distribution and ecology of planktic foraminifera in the North Pacific: implications for paleo-reconstructions

    Taylor, B. J., Rae, J. W. B., Gray, W. R., Darling, K., Burke, A., Gersonde, R., Abelmann, A., Maier, E., Esper, O. & Ziveri, P., 1 Jul 2018, In : Quaternary Science Reviews. 191, p. 256-274 19 p.

    Research output: Contribution to journalArticle

  5. Climatic effect of Antarctic meltwater overwhelmed by concurrent Northern hemispheric melt

    Ivanovic, R. F., Gregoire, L. J., Wickert, A. D. & Burke, A., 16 Jun 2018, In : Geophysical Research Letters. 45, 11, p. 5681-5689 9 p.

    Research output: Contribution to journalArticle

Related by journal

ID: 53890149