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Influence of surface roughness on the sorption of Cm(III) on crystalline-water interfaces

Autor: Demnitz, M., Schymura, S., Neumann, J., Müller, K., Schmidt, M.

Publikováno v: 28. Tagung der Fachsektion Hydrogeologie e. V. in der DGGV e.V., 23.-25.03.2022, Jena, Germany

Many countries plan to use deep geological repositories to dispose of their highly radioactive nuclear waste. Internationally, crystalline rock is a potential host rock because of its strong geotechnical stability, low permeability and low solubility

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::366b0fbb0a307aecd7bf6b6851be55d4
https://www.hzdr.de/publications/Publ-34518-1

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Data publication: Y(III) sorption at the orthoclase (001) surface measured by X-ray reflectivity

Autor: Neumann, J., Lessing, J., Lee, S. S., Stubbs, J. E., Eng, P. J., Demnitz, M., Fenter, P., Schmidt, M.

Publikováno v: Publication date: 2022-12-07 Embargoed accessDOI: 10.14278/rodare.2000Versions: 10.14278/rodare.2001License: CC-BY-4.0

CTR/RAXR raw and reduced data

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::9b2241a7d2ecd55521a5417792a7e05f
https://www.hzdr.de/publications/Publ-35735-1

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Data publication: Effects of surface roughness and mineralogy on the sorption of Cm(III) on crystalline rock

Autor: Demnitz, M., Molodtsov, K., Schymura, S., Schierz, A., Müller, K., Jankovsky, F., Havlova, V., Stumpf, T., Schmidt, M.

Publikováno v: Publication date: 2021-09-21 Open accessDOI: 10.14278/rodare.1190Versions: 10.14278/rodare.1191License: CC-BY-4.0

In the following we have compiled the data used in publication (mappings, taken pictures and measurements) as well as the used python scripts.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::d6b49908bc2f8b6d45af00c1fb8e1d9d
https://www.hzdr.de/publications/Publ-33137-1

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Structural Investigation of the Adsorption von Y(III) on Orthoclase (001) Single Crystals using Resonant Surface X ray Diffraction

Autor: Neumann, J., Lessing, J., Demnitz, M., Eng, P., Stubbs, J., Stumpf, T., Schmidt, M.

Publikováno v: TransRet Workshop: Processes Influencing Radionuclide Transport and Retention, 12.-13.10.2021, Karlsruhe, Deutschland

INTRODUCTION Transport of radionuclides (RNs), from deep geological repositories for radioactive waste, such as the highly toxic trivalent minor actinides (An(III)) Am and Cm, will be controlled by their interactions with charged mineral phases. Many

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::c0edc40a8b374c05f7219f37f6f2c90f
https://www.hzdr.de/publications/Publ-33393-1

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Temperature-dependent luminescence spectroscopic investigations of U(VI) complexation with the halides F- and Cl

Autor: Demnitz, M., Hilpmann, S., Lösch, H., Bok, F., Steudtner, R., Patzschke, M., Stumpf, T., Huittinen, N. M.

Publikováno v: Dalton Transactions 49(2020), 7109-7122

In the present study we have investigated the complexation of uranyl(VI) with chloride and fluoride using luminescence spectroscopy (TRLFS, time-resolved laser-induced fluorescence spectroscopy). At 25 °C, in the presence of 0 − 0.175 M fluoride,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::3d206f6d82a24305d055d6c9bc8686ca
https://www.hzdr.de/publications/Publ-30741-1

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Akademický článek

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Spatially-resolved speciation of Eu(III) and Cm(III) on granite surfaces

Autor: Demnitz, M., Molodtsov, K., Bollermann, T., Schymura, S., Schierz, A., Schmidt, M.

Publikováno v: Goldschmidt Barcelona 2019, 18.-23.08.2019, Barcelona, Spanien
GDCh Jahrestagung der Fachgruppe Nuklearchemie 2019, 25.-27.09.2019, Dresden, Deutschland

The search for a suitable site for a nuclear waste repository in Germany requires linking molecular scale information with the large scale of the repository. Here, we present a novel approach to bridge the gap from the molecular to the millimeter sca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6b91ed157628193a84fdd94d2a72d086
https://www.hzdr.de/publications/Publ-29973-1

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Elucidating the impact of elevated temperature on the complexation of Cm(III) and Eu(III) with phosphate ions by luminescence spectroscopy

Autor: Jordan, N., Demnitz, M., Lösch, H., Starke, S., Brendler, V., Huittinen, N.

Publikováno v: 4th International Workshop on Advanced Techniques in Actinide Spectroscopy (ATAS 2018), 06.-09.11.2018, Nice, France

Orthophosphate ions (H2PO4−, HPO42−, and PO43−) are ubiquitous in the environment and may originate from the natural decomposition of rocks and minerals (e.g. monazite or apatite), agricultural runoff, or from phosphate fertilizer plants. Solid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::35bee986638bf82d70cb0b3b3aa8065b
https://www.hzdr.de/publications/Publ-27686-2

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