Isomer-shift of interstitial and substitutional iron in silicon and germanium |
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| Authors: | J Kübler A E Kumm H Overhof P Schwalbach M Hartick E Kankeleit B Keck L Wende R Sielemann |
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| Institution: | (1) Institut für Festkörperphysik, Technische Hochschule, D-64289 Darmstadt, Germany;(2) Fachbereich Physik, Universität-GH, D-33098 Paderborn, Germany;(3) Institut für Kernphysik, Technische Hochschule, D-64289 Darmstadt, Germany;(4) Hahn-Meitner-Institut, D-14129 Berlin, Germany |
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| Abstract: | We describe results from in-beam Mössbauer implantation measurements for57Fe inn-type Si, inp-type Si, and in Ge. Ab initio calculations for the contact densities from density functional theory in the local-density approximation are presented and their results are employed to locate the type of position of Fe in the lattice of the host. Thus the different spectral features corresponding to interstitial and substitutional Fe in Si and Ge are unambiguously identified.Dedicated to U. Gonser on the occasion of his 70th birthday |
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| Keywords: | 76 80 71 55 61 70 T |
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