Person (en)

Dipl.-Chem. Dr. Silke Merchel

T: +43-1-4277-51716

silke.merchel@univie.ac.at

https://www.meteoroids.de

News: Watch our latest video for the open public: https://www.ionbeamcenters.eu/ams-video-clip/

Batagay Megaslump reveals oldest permafrost in Eurasia survived intense global warming events
http://www.sussex.ac.uk/broadcast/read/55581

We are partner of ReMade@ARI!
"Recyclable Materials Development at Analytical Research Infrastructures"
https://www.hzdr.de/db/Cms?pNid=99&pOid=66953

We are partner of ChETEC-INFRA!
Exploring the origin of the elements
https://www.hzdr.de/db/Cms?pOid=63372&pNid=99

Winter term 2024

260045 LP Laboratory: Nuclear and Isotope Physics - Isotope detection and application

260074 LP Lab-Course: Nuclear Physics

260080 SE Bachelor's Seminar

267128 PR Laboratory Nuclear and Isotope Physics - 14C dating with Accelerator Mass Spectrometry - for teacher students

Summer term 2024

260074 LP Lab-Course: Nuclear Physics

267128 PR Laboratory Nuclear and Isotope Physics - 14C dating with Accelerator Mass Spectrometry - for teacher students

Winter term 2023

260045 LP Laboratory: Nuclear and Isotope Physics - Isotope detection and application

267128 PR Laboratory Nuclear and Isotope Physics - 14C dating with Accelerator Mass Spectrometry - for teacher students

Bischoff, A., Patzek, M., Barrat, J. A., Berndt, J., Busemann, H., Degering, D., Di Rocco, T., Ek, M., Harries, D., Godinho, J. R. A., Heinlein, D., Kriele, A., Krietsch, D., Maden, C., Marchhart, O., Marshal, R. M., Martschini, M., Merchel, S., Möller, A., ... Wimmer, K. (2024). Cosmic pears from the Havelland (Germany): Ribbeck, the twelfth recorded aubrite fall in history. Meteoritics and Planetary Science, 59(10), 2660-2694. https://doi.org/10.1111/maps.14245

Bischoff, A., Patzek, M., Alosius, R. M. L., Barrat, J. A., Berndt, J., Busemann, H., Degering, D., Di Rocco, T., Ek, M., Gattacceca, J., Godinho, J. R. A., Heinlein, D., Krietsch, D., Maden, C., Marchhart, O., Martschini, M., Merchel, S., Pack, A., Peters, S., ... Zielke, R. (2024). The anomalous polymict ordinary chondrite breccia of Elmshorn (H3-6)—Late reaccretion after collision between two ordinary chondrite parent bodies, complete disruption, and mixing possibly about 2.8 Gyr ago. Meteoritics and Planetary Science, 59(9), 2321-2356. https://doi.org/10.1111/maps.14193

Hofmann, F. M., Groos, A. R., Morabito, E. G., Struck, J., Gnägi, C., Scharf, A., Rugel, G., Merchel, S., & Zech, R. (2024). A regional assessment of the deglaciation history of the Swiss Plateau based on newly obtained and re-evaluated Be-10 cosmic-ray exposure ages. Quaternary Science Advances, 13, [100124]. https://doi.org/10.1016/j.qsa.2023.100124

Kudriavtseva, A., Codilean, A. T., Sobel, E. R., Landgraf, A., Fülöp, R-H., Dzhumabaeva, A., Abdrakhmatov, K., Wilcken, K. M., Schildgen, T., Fink, D., Fujioka, T., Gong, L., Rosenwinkel, S., Merchel, S., & Rugel, G. (2023). Impact of Quaternary Glaciations on Denudation Rates in North Pamir—Tian Shan Inferred From Cosmogenic ¹⁰Be and Low-Temperature Thermochronology. Journal of Geophysical Research: Earth Surface, 128(12), [e2023JF007193]. https://doi.org/10.1029/2023JF007193

Pittarello, L., Chernonozhkin, S., Downes, H., Marchhart, O., Merchel, S., Wieser, A., Vanhacke, F., Villeneuve, J., & Goderis, S. (2023). An uncommon terrestrial rock that was believed to be a meteorite. Paper presented at MinWien2023, Wien, Austria.

Koll, D., Wallner, A., Battisson, S., Fichter, S., Fifield, L. K., Froehlich, M. B., Lachner, J., Merchel, S., Pavetich, S., Rugel, G., Slavkovská, Z., Tims, S. G., & Ziegenrücker, R. (2022). Element separation chemistry and cosmogenic ¹⁰Be dating of a ferromanganese crust. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 530, 53-58. https://doi.org/10.1016/j.nimb.2022.08.017

Froehlich, M. B., Slavkovska, Z., Koll, D., Pavetich, S., Dastgiri, F., Fifield, L. K., Hotchkis, M. A. C., Merchel, S., Tims, S. G., & Wallner, A. (2022). Scavenger hunt: Searching for the optimal target material for low-level Pb-210 accelerator mass spectrometry. Nuclear Instruments & Methods in Physics Research. Section B. Beam Interactions with Materials and Atoms, 529, 18-23. https://doi.org/10.1016/j.nimb.2022.08.015

Koll , D., Faestermann, T., Korschinek, G., Leya, I., Merchel, S., & Wallner, A. (2022). The Dyadic Radionuclide System ⁶⁰Fe / ⁵³Mn to Distinguish Interstellar from Interplanetary ⁶⁰Fe. EPJ Web of Conferences, 260, [11022]. https://doi.org/10.1051/epjconf/202226011022

Bischoff, A., Storz, J., Barrat, J-A., Heinlein, D., Jull, A. J. T., Merchel, S., Pack, A., & Rugel, G. (2022). Blaubeuren, Cloppenburg, and Machtenstein—Three recently recognized H-group chondrite finds in Germany with distinct terrestrial ages and weathering effects. Meteoritics and Planetary Science, 57(1), 136-153. https://doi.org/10.1111/maps.13779

Merchel, S., Rugel, G., Lachner, J., Wallner, A., Walther, D., & Ziegenrucker, R. (2021). Evaluation of a sensitive, reasonable, and fast detection method for Fe-55 in steel. Journal of Radioanalytical and Nuclear Chemistry, 330(3), 727-735. [L081701]. https://doi.org/10.1007/s10967-021-08000-7

Merchel, S., Braucher, R., Lachner, J., & Rugel, G. (2021). Which is the best ⁹Be carrier for ¹⁰Be/⁹Be accelerator mass spectrometry? MethodsX, 8, [101486]. https://doi.org/10.1016/j.mex.2021.101486

Stübner, K., Bookhagen, B., Merchel, S., Lachner, J., & Gadoev, M. (2021). Unravelling the Pleistocene glacial history of the Pamir mountains, Central Asia. Quaternary Science Reviews, 257, [106857]. https://doi.org/10.1016/j.quascirev.2021.106857

Wallner, A., Feige, J., Fifield, L. K., Froehlich, M. B., Golser, R., Hotchkis, M. A. C., Koll, D., Leckenby, G., Martschini, M., Merchel, S., Panjkov, S., Pavetich, S., Rugel, G., & Tims, S. G. (2020). ⁶⁰Fe deposition during the late Pleistocene and the Holocene echoes past supernova activity. Proceedings of the National Academy of Sciences of the United States of America (PNAS), 117(36), 21873-21879. https://doi.org/10.1073/pnas.1916769117

Gärtner, A., Merchel, S., Niedermann, S., Braucher, R., Aster-Team, Steier, P., Rugel, G., Scharf, A., Le Bras, L., & Linnemann, U. (2020). Nature does the averaging — In-situ produced ¹⁰Be, ²¹Ne, and ²⁶Al in a very young river terrace. Geosciences, 10(6), [237]. https://doi.org/10.3390/geosciences10060237

Martschini, M., Lachner, J., Merchel, S., Priller, A., Steier, P., Wallner, A., Wieser, A., & Golser, R. (2020). The quest for AMS of ¹⁸²Hf – why poor gas gives pure beams. EPJ Web of Conferences, 232, [02003]. https://doi.org/10.1051/epjconf/202023202003

Riisager, K., Borge, M. J. G., Briz, J. A., Carmona-Gallardo, M., Forstner, O., Fraile, L. M., Fynbo, H. O. U., Camacho, A. G., Johansen, J. G., Jonson, B., Lund, M., Lachner, J., Madurga, M., Merchel, S., Nacher, E., Nilsson, T., Steier, P., Tengblad, O., & Vedia, V. (2020). Search for beta-delayed proton emission from ¹¹Be. European Physical Journal A, 56(3), [100]. https://doi.org/10.1140/epja/s10050-020-00110-2

Steier, P., Martschini, M., Buchriegler, J., Feige, J., Lachner, J., Merchel, S., Michlmayr, L., Priller, A., Rugel, G., Schmidt, E., Wallner, A., Wild, E. M., & Golser, R. (2019). Comparison of methods for the detection of ¹⁰Be with AMS and a new approach based on a silicon nitride foil stack. International Journal of Mass Spectrometry, 444, [116175]. https://doi.org/10.1016/j.ijms.2019.116175

Wallner, A., Bichler, M., Coquard, L., Dillmann, I., Forstner, O., Golser, R., Heil, M., Käppeler, F., Kutschera, W., Lederer-Woods, C., Martschini, M., Mengoni, A., Merchel, S., Michlmayr, L., Priller, A., Steier, P., & Wiescher, M. (2019). Stellar and thermal neutron capture cross section of Be-9. Physical Review C, 99(1), [015804]. https://doi.org/10.1103/PhysRevC.99.015804

Pavetich, S., Wallner, A., Martschini, M., Akhmadaliev, S., Dillmann, I., Fifield, K., Halfon, S., Heftrich, T., Kaeppeler, F., Lederer-Woods, C., Merchel, S., Paul, M., Reifarth, R., Rugel, G., Steier, P., Tessler, M., Tims, S., Weigand, M., & Weissman, L. (2019). Accelerator mass spectrometry measurement of the reaction Cl-35(n, gamma)Cl-36 at keV energies. Physical Review C, 99(1), [015801]. https://doi.org/10.1103/PhysRevC.99.015801

Feige, J., Wallner, A., Altmeyer, R., Fifield, L. K., Golser, R., Merchel, S., Rugel, G., Steier, P., Tims, S. G., & Winkler, S. R. (2018). Limits on Supernova- Associated Fe-60/Al-26 Nucleosynthesis Ratios from Accelerator Mass Spectrometry Measurements of Deep-Sea Sediments. Physical Review Letters, 121(22), [221103]. https://doi.org/10.1103/PhysRevLett.121.221103