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TDPAC studies on181Hf implanted into diamond |
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| Authors: | J H Raudies H Appel G M Then W -G Thies K Freitag J P F Sellschop M E Stemmet |
| Institution: | (1) Kernforschungszentrum Karlsruhe Institut für Genetik und für Toxikologie von Spaltstoffen, Deutschland;(2) Institut für Experimentelle Kernphysik, Universität Karlsruhe, Postfach 3640, D 7500 Karlsruhe, Federal Republic of Germany;(3) Institut für Strahlen- und Kernphysik, Universität Bonn, Nußallee 14-16, D 5300 Bonn 1, Federal Republic of Germany;(4) Nuclear Physics Research Unit, University of the Witwatersrand, 2001 Johannesburg, Republic of South Africa |
| Abstract: | 181Hf ions were implanted at (900±10)K into (100) cleaved single crystal diamonds. After subsequent annealing residence site parameters were determined for the implanted ions employing the  (133 keV)–(482 keV) cascade in181Ta in TDPAC technique. Fractions of 5% each were determined that experience axially symmetric electric field gradients (EFG) Vzz(1)=5.5×1017 V cm–2 and Vzz(2)=9.6×1017 V cm–2, respectively. The bulk of the ions are strongly disturbed by still higher electric field gradients. |
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