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Wallner A, Melber K, Merchel S, et al. Stable platinum isotope measurements in presolar nanodiamonds by TEAMS. Nucl Instrum Methods Phys Res B. 2013;294(2):496-502doi: 10.1016/j.nimb.2012.03.036.
Wallner, A., Melber, K., Merchel, S., Ott, U., Forstner, O., Golser, R., Kutschera, W., Priller, A., & Steier, P. (2013). Stable platinum isotope measurements in presolar nanodiamonds by TEAMS. Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 294(2), 496-502. https://doi.org/10.1016/j.nimb.2012.03.036
Wallner, A, et al. "Stable platinum isotope measurements in presolar nanodiamonds by TEAMS." Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms vol. 294,2 (2013): 496-502. doi: https://doi.org/10.1016/j.nimb.2012.03.036
Wallner A, Melber K, Merchel S, Ott U, Forstner O, Golser R, Kutschera W, Priller A, Steier P. Stable platinum isotope measurements in presolar nanodiamonds by TEAMS. Nucl Instrum Methods Phys Res B. 2013 Jan;294(2):496-502. doi: 10.1016/j.nimb.2012.03.036. PMID: 23565017; PMCID: PMC3617595.
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Nucl Instrum Methods Phys Res B. 2013 Jan;294(2):496-502. doi: 10.1016/j.nimb.2012.03.036.

Stable platinum isotope measurements in presolar nanodiamonds by TEAMS.

Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms

A Wallner, K Melber, S Merchel, U Ott, O Forstner, R Golser, W Kutschera, A Priller, P Steier

Affiliations

  1. University of Vienna, Faculty of Physics, VERA Laboratory, Währinger Strasse 17, A-1090 Vienna, Austria ; Department of Nuclear Physics, Research School of Physics and Engineering, The Australian National University, Canberra, Australia ; Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights, Australia.

PMID: 23565017 PMCID: PMC3617595 DOI: 10.1016/j.nimb.2012.03.036

Abstract

Nanodiamonds are stardust grains commonly found in primitive meteorites. They survived the formation of the solar system and kept their own individuality. Measurements of trace-element isotopic signatures in these grains will help understanding heavy element nucleosynthesis in massive stars and dust formation from their ejecta. We have continued previous attempts to search for stable Pt isotope anomalies in nanodiamonds via trace element accelerator mass spectrometry (TEAMS). The installation of a new injector beam line at the VERA facility allowed studying low traces of stable elements in different materials. Moreover, recent experiments showed that VERA provides the required measurement precision together with a low Pt machine background. Here, we observed for the first time an indication for enhancements of

Keywords: Nanodiamonds; Presolar grains; Pt; Super novae; TEAMS; Trace elements

References

  1. Science. 2004 Jan 30;303(5658):649-52 - PubMed

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