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Mössbauer study of 57Fe in CVD diamond following 57Mn implantation

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Abstract

57Fe Mössbauer spectroscopy, following the implantation of radioactive parent 57Mn +  ions, has been performed on two chemical vapour deposited diamond samples, one synthesized in 2003 (CVD03) and the other in 2005 (CVD05). The spectra of sample CVD05 were as observed previously in natural IIa diamonds: single lines corresponding to substitutional and interstitial Fe were superimposed on a broad quadrupole split doublet. The site fraction of Fei reached 30% at 900 K. The spectra of the CVD03 sample showed, in addition to the above features, a strong contribution (>30%) from a quadrupole doublet attributable to the presence of intrinsic amorphous inclusions in the crystallites. This observation has been confirmed by X-ray diffraction.

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Authors and Affiliations

  1. School of Physics, University of KwaZulu-Natal, Durban, South Africa

    K. Bharuth-Ram & V. V. Naicker

  2. iThemba LABS: University of KwaZulu-Natal iThemba LABS, P.O. Box 722, Somerset West, 7129, Western Cape, South Africa

    K. Bharuth-Ram

  3. School of Physics, University of the Witwatersrand, WITS, Johannesburg, 2050, South Africa

    D. Naidoo

  4. Department of Physics and Astronomy, Aarhus University, 8000, Aarhus, Denmark

    H. P. Gunnlaugsson & G. Weyer

  5. Laboratorio Nazionale MDM-INFM, Via C. Olivetti 2, 20041, Agrate Brianza (M1), Italy

    R. Mantovan

  6. EP Division, CERN, CH-1211, Geneva 23, Switzerland

    M. Dietrich

  7. Naval Research Labs., Washington, DC, USA

    J. E. Butler

Authors
  1. K. Bharuth-Ram
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  2. V. V. Naicker
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  3. D. Naidoo
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  4. H. P. Gunnlaugsson
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  5. R. Mantovan
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  6. G. Weyer
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  7. M. Dietrich
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  8. J. E. Butler
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ISOLDE Collaboration

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Correspondence to K. Bharuth-Ram.

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Bharuth-Ram, K., Naicker, V.V., Naidoo, D. et al. Mössbauer study of 57Fe in CVD diamond following 57Mn implantation. Hyperfine Interact 179, 17–22 (2007). https://doi.org/10.1007/s10751-008-9669-x

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  • DOI: https://doi.org/10.1007/s10751-008-9669-x

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