Nondestructive determination of the 13C content in isotopic diamond by nuclear resonance fluorescence

O. Beck, T. Ruf, Y. Finkelstein, M. Cardona, T. R. Anthony, D. Belic, T. Eckert, D. Jäger, U. Kneissl, H. Maser, R. Moreh, A. Nord, H. H. Pitz, A. Wolpert

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Nuclear resonance fluorescence excited with continuous electron bremsstrahlung from the 4.3 MV Stuttgart Dynamitron accelerator is used as a nondestructive method to determine the 13C content x of bulk isotopic diamonds (12C1-x13Cx). The smallest detectable amount of 13C in carbon or low Z matrices is on the order of 0.5 mg. The relative accuracy of absolute mass determinations is about ±7%. Errors are mainly due to uncertainties in the natural widths Γ of the 13C nuclear levels at 3089 and 3684 keV used in the measurements. The results confirm a previous calibration which is based on Raman scattering and the destructive determination of x by mass spectroscopy.

Original languageEnglish
Pages (from-to)5484-5488
Number of pages5
JournalJournal of Applied Physics
Volume83
Issue number10
DOIs
StatePublished - 15 May 1998

ASJC Scopus subject areas

  • General Physics and Astronomy

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