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MM: Fachverband Metall- und Materialphysik

MM 75: Topical Session (Symposium MM): Big Data in Materials Science - Managing and exploiting the raw material of the 21st century

MM 75.2: Vortrag

Freitag, 16. März 2018, 11:45–12:00, H 0107

40 years of material science at ISOLDE-CERN using TDPAC and MS — •Juliana Schell1, 2, Peter Schaaf3, Hans-Christian Hofsäss4, and Doru C. Lupascu21European Organization for Nuclear Research (CERN), Switzerland — 2University of Duisburg-Essen, Germany — 3TU Ilmenau, Germany — 4Georg-August-Universität Göttingen, Germany

Since the late 70ies researchers at ISOLDE-CERN have been applying nuclear techniques to materials science research. A considerable infrastructure has been built up on-site to allow scientists to perform experiments using short-lived isotopes, especially using Time Differential Perturbed Angular Correlations (TDPAC) [1] and Mössbauer Spectroscopy (MS) [2, 3]. The online production of radioactive isotopes with high yield and elemental and isotopic purity allow the choice of the adequate probe to study the relevant solid state problem. In this context, TDPAC and emission MS are very powerful to characterize new materials and particularly atomic defects in them with very small concentrations of nuclear probes. Our facilities at ISOLDE-CERN are the world reference for these measurements. They are dedicated to many different purposes e.g. investigations of semiconductors oxides, photocatalytical materials, multiferroics, superconductors, metals, and alloys. In this presentation, we explore the multiple measurement possibilities.

References [1] J. Schell, P. Schaaf, and D. C. Lupascu, AIP Advances 7, 105017 (2017). [2] J. Schell, P. Schaaf et al. Not yet published. [3] MS Collaboration at ISOLDE-CERN: http://e-ms.web.cern.ch/

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