Helmholtz-Zentrum Dresden-Rossendorf
Surface Processes
Dr. Moritz Schmidt
Phone:	+49 351 260 3136, +49 351 260 2536
Email:	moritz.schmidthzdr.de
Address	Bautzner Landstraße 400 01328 Dresden
Building/Office:	801/P207, 850/16.1

Scientific career

• 2013 – current:
  Helmholtz Young Investigator group leader at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology.
• 2012 – 2013:
  Research associate at the Karlsruhe Institute of Technology (KIT), Institute for Nuclear Waste Disposal.
• 2010 – 2012:
  Research Associate at Argonne National Laboratory (ANL), Chemical Sciences and Engineering Division.
• 11/2009:
  PhD at the University of Heidelberg, Department of Chemistry, “Untersuchungen zum Einbaumechanismus von Actiniden und Lanthaniden in Calcium-haltige Sekundärphasen” (in German).
• 2006 – 2009:
  PhD student at the Forschungszentrum Karlsruhe, Institute for Nuclear Waste Disposal.
• 2006:
  Diplom (M.Sc.) in Chemistry at the University of Heidelberg

Research experience

• Geochemistry of the actinides in the context of nuclear waste storage
• Mineral/water interface reactions
• Structural incorporation of actinides into mineral phases
• Site-selective time-resolved laser fluorescence spectroscopy with Cm(III) and Eu(III)
• Surface X-ray diffraction

Important publications

Peer-reviewed papers

• E. V. Johnstone, S. Hofmann, A. Cherkouk, M. Schmidt (2016) "Study of the Interaction of Eu3+ with Microbiologically Induced Calcium Carbonate Precipitates using TRLFS", Environ. Sci. Tech., 50(22), 12411-12420.
• S. Hellebrandt, K. E. Knope, S. S. Lee, A. J. Lussier, J. E. Stubbs, P. J. Eng, L. Soderholm, P. Fenter, M. Schmidt (2016) "A Comparison of Adsorption, Reduction, and Polymerization of the Plutonyl(VI) and Uranyl(VI) Ions from Solution onto the Muscovite Basal Plane", Langmuir, 32(41), 10473-10482.
• S. E. Hellebrandt, S. Hofmann, N. Jordan, A. Barkleit, M. Schmidt (2016) "Incorporation of Eu(III) into Calcite under Recrystallization conditions", Sci. Rep., 6, 33137.
• S. S. Lee, M. Schmidt, T. T. Fister, K. L. Nagy, N. C. Sturchio, P. Fenter (2016) "Structural Characterization of Aluminum (Oxy)hydroxide Films at the Muscovite (001)–Water Interface", Langmuir, 32(2), 477-486.
• M. Schmidt, S. Hellebrandt, K. E. Knope, S. S. Lee, J. E. Stubbs, P. J. Eng, L. Soderholm, P. Fenter (2015) "Effects of the Background Electrolyte on Th(IV) Sorption to Muscovite Mica", Geochim. Chosmochim. Acta, 165, 280-293.
• S. Hofmann, K. Voitchovsky, M. Schmidt, T. Stumpf (2014) “Trace concentration - huge impact: Nitrate in the calcite/Eu(III) system”, Geochim. Cosmochim. Acta, 125, 528-538.
• M. Schmidt, S. S. Lee, R. E. Wilson, K. E. Knope, F. Bellucci, P. J. Eng, J. E. Stubbs, L. Soderholm, P.Fenter, (2013) “Surface-Mediated Formation of Pu(IV) nanoparticles at the Muscovite-Electrolyte Interface”, Environ. Sci. Technol., 47(24), 14178-14184.
• S. S. Lee, M. Schmidt, N. Laanait, N. C. Sturchio, P. Fenter, (2013) “Investigation of Structure, Adsorption Free Energy, and Overcharging Behavior of Trivalent Yttrium Adsorbed at the Muscovite (001) - Water Interface”, J. Phys. Chem. C, 117(45), 23738-23749.
• M. Schmidt, S. Heck, D. Bosbach, S. Ganschow, C. Walther, T. Stumpf, (2013) “Characterization of powellite-based solid solutions by site-selective time resolved laser fluorescence spectroscopy”, Dalton Trans., 42(23), 8387 – 8393.
• H. Geckeis, J. Lützenkirchen, R. Polly, T. Rabung, M. Schmidt, (2013) “Mineral–Water Interface Reactions of Actinides”, Chem. Rev., 113(2), 1016–1062.
• M.Schmidt, S. S. Lee, R. E. Wilson, L. Soderholm, P. Fenter, (2012) “Sorption of Tetravalent Thorium on Muscovite”, Geochim. Cosmochim. Acta, 88, 66–76.
• K. Holliday, A. Chagneau, M. Schmidt, F. Claret, T. Schäfer, T. Stumpf, (2012) “Discriminating factors affecting incorporation: Comparison of the fate of Eu³⁺/Cm³⁺ in the Sr carbonate/sulfate system”, Dalton Trans., 41, 3642–3647.
• M. Schmidt, R. E. Wilson, S. S. Lee, L.Soderholm, P. Fenter, (2012) “Adsorption of Plutonium-Oxide Nanoparticles on Muscovite”, Langmuir, 28(5), 2620–2627.
• T. T. Fister, M. Schmidt, P. Fenter, C. S. Johnson, M. D. Slater, M. K. Y. Chan, E. L. Shirley, (2011) “Electronic structure of lithium battery interphasecompounds: Comparison between inelastic x-ray scattering measurements and theory”, J. Chem. Phys., 135(22), 224513.
• M. Schmidt, P. J. Eng, J. E. Stubbs, L. Soderholm, P. Fenter, (2011) “On a new X-ray reflectivity environmental cell design for in situ studies of radioactive and atmosphere-sensitive samples”, Rev. Sci. Inst., 82(7), 075105.
• M. Schmidt, T. Stumpf, C. Walther, H. Geckeis, Th. Fanghänel, (2010) “Phase transformation in CaCO₃ polymorphs: A spectroscopic, microscopic and diffraction study”, J. Colloid Interface Sci., 351(1), 50–56.
• M. Schmidt, T. Stumpf, C. Walther, H. Geckeis, Th. Fanghänel, (2009) “Incorporation versus adsorption: Substitution of Ca²⁺ by Eu³⁺ and Cm³⁺ in aragonite and gypsum”, Dalton Trans., 33, 6645–6650.
• M. Schmidt, T. Stumpf, M. Marques Fernandes, C.Walther, Th. Fanghänel, (2008) “Charge Compensation in Solid Solutions”, Angew. Chem., Int. Ed., 47(31), 5846–5850.
• M. Marques Fernandes, M. Schmidt, T. Stumpf, C. Walther, D. Bosbach, R. Klenze, Th. Fanghänel, (2008) “Site-selective time-resolved laser fluorescence spectroscopy of Eu³⁺ in calcite”, J. Colloid Interface Sci., 321(3), 323–332.

Grants

Helmholtz Young Investigator Group “Structures and reactivity at the aqueous/mineral interface” (VH-NG-942).

Group Members

PhD students

• Sophia Peschel
• Stefan Hellebrandt
• Konrad Zesewitz

Post-Docs

• Dr. Bin Xiao
• Dr. Canrong Qiu

Former Group Members

• Dr. Sascha Hofmann
• Dr. Erik V. Johnstone