Volume 91, Number 6, September 2010
|Number of page(s)||5|
|Published online||06 October 2010|
Nuclear forward and inelastic spectroscopy on 125Te and Sb2125 Te3
Deutsches Elektronen-Synchrotron - D-22607 Hamburg, Germany, EU
2 Institut für Festkörperforschung, JCNS und JARA-FIT, Forschungszentrum Jülich GmbH D-52425 Jülich, Germany, EU
3 Faculté des Sciences, Université de Liège - B-4000 Liège, Belgium, EU
4 European Synchrotron Radiation Facility - F-38043 Grenoble Cedex, France, EU
5 Argonne National Laboratory, Advanced Photon Source - Argonne, IL 60439, USA
Accepted: 6 September 2010
We report on the observation of nuclear forward and nuclear inelastic scattering of synchrotron radiation by 125Te and the application of both spectroscopic methods to tellurium compounds by using a high-resolution backscattering sapphire monochromator in combination with fast detection electronics. The lifetime of the nuclear resonance and the energy of the transition were determined to be 2.131(12) ns and 35493.12(30) eV, respectively. As applications, the nuclear inelastic spectrum in Sb2Te3 and the nuclear forward scattering by Te metal were measured. These measurements open the field of nuclear resonance spectroscopy on tellurium compounds such as thermoelectric and superconducting materials.
PACS: 23.20.Lv – γ transitions and level energies / 29.30.Kv – X- and γ-ray spectroscopy / 63.20.D- – Phonon states and bands, normal modes, and phonon dispersion
© EPLA, 2010
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