Dr Matthias Schmidt

Contact / Addess:

E-mail

Phone +49 (0) 341 235 1358
Fax +49 (0) 341 235 450822


Helmholtz Centre for Environmental Research - UFZ
Permoserstrasse 15
04318 Leipzig

Dr. Matthias Schmidt

Curriculum Vitae


Since June 2014 Head of the high-resolution imaging group
at ProVIS - Centre for Chemical Microscopy
Helmholtz Centre for Environmental Research – UFZ
Department of Isotope Biogeochemistry
2013-2014 Post-Doctoral Fellow
Max-Planck Institute for Microstructure Physics
Halle (Saale), Germany
2012-2013 Post-Doctoral Fellow
University of Pretoria
Department of Physics
Pretoria, South Africa.
Jan 2012 Ph.D. in Physics
Universität Leipzig
Semiconductor Physics Group
Leipzig, Germany
Aug - Dec 2011 Research Assistant
Universität Leipzig
Faculty of Physics and Geosciences
Semiconductor Physics Group
Leipzig, Germany
2009 - 2011 Evangelisches Studienwerk Villigst eV.
Stipendiary
2007 - 2012
Ph.D. project in semiconductor physics at
Universität Leipzig
Faculty of Physics and Geoscience
Leipzig, Germany
and
Helmholtz-Centre Dresden-Rossendorf
Dept. of Ion-Beam Physics
Dresden, Germany
Dec 2006 Diploma in Physics
Universität Leipzig
Faculty of Physics and Geoscience
Germany

Field of Expertise

  • high-resolution imaging (scanning electron and helium-ion microscopy)
  • preparation of microbial samples for SEM and HIM
  • correlative microscopy
  • image-processing


Main Research Interests

  • development of helium-ion microscopy techniques for imaging of microbiological samples
  • bacteriophages and bacterial predators
  • microbial corrosion
  • bioleaching and biomineralisation
  • interactions between microbes plants and soil in the rhizosphere


Publications

  • Bader, M., Müller, K., Foerstendorf, H., Drobot, B., Schmidt, M., Musat, N., Swanson, J.S., Reed, D.T., Stumpf, T., Cherkouk, A., (2017):
    Multistage bioassociation of uranium onto an extremely halophilic archaeon revealed by a unique combination of spectroscopic and microscopic techniques
    J. Hazard. Mater. 327 , 225 - 232
    full text (url)
  • Bader, M., Müller, K., Foerstendorf, H., Schmidt, M., Simmons, K., Swanson, J.S., Reed, D.T., Stumpf, T., Cherkouk, A., (2018):
    Comparative analysis of uranium bioassociation with halophilic bacteria and archaea
    PLOS One 13 (1), e0190953
    full text (url)
  • Bader, M., Rossberg, A., Steudtner, R., Drobot, B., Großmann, K., Schmidt, M., Musat, N., Stumpf, T., Ikeda-Ohno, A., Cherkouk, A., (2018):
    Impact of Haloarchaea on speciation of uranium—A multispectroscopic approach
    Environ. Sci. Technol. 52 (12), 12895 - 12904
    full text (url)
  • Benettoni, P., Stryhanyuk, H., Wagner, S., Kollmer, F., Moreno Osorio, J.H., Schmidt, M., Reemtsma, T., Richnow, H.-H., (2019):
    Identification of nanoparticles and their localization in algal biofilm by 3D-imaging secondary ion mass spectrometry
    J. Anal. At. Spectrom. 34 (6), 1098 - 1108
    full text (url)
  • Böhme, S., Baccaro, M., Schmidt, M., Potthoff, A., Stärk, H.-J., Reemtsma, T., Kühnel, D., (2017):
    Metal uptake and distribution in the zebrafish (Danio rerio) embryo: differences between nanoparticles and metal ions
    Environ. Sci.-Nano 4 (5), 1005 - 1015
    full text (url)
  • Byrne, J.M., Schmidt, M., Gauger, T., Bryce, C., Kappler, A., (2018):
    Imaging organic-mineral aggregates formed by Fe(II)-oxidizing bacteria using helium ion microscopy
    Environ. Sci. Technol. Lett. 5 (4), 209 - 2013
    full text (url)
  • Chen, S.-C., Musat, N., Lechtenfeld, O.J., Paschke, H., Schmidt, M., Said, N., Popp, D., Calabrese, F., Stryhanyuk, H., Jaekel, U., Zhu, Y.-G., Joye, S.B., Richnow, H.-H., Widdel, F., Musat, F., (2019):
    Anaerobic oxidation of ethane by archaea from a marine hydrocarbon seep
    Nature 568 (7750), 108 - 111
    full text (url)
  • Decelle, J., Stryhanyuk, H., Gallet, B., Veronesi, G., Schmidt, M., Balzano, S., Marro, S., Uwizeye, C., Jouneau, P.-H., Lupette, J., Jouhet, J., Maillot-Maréchal, E., Schwab, Y., Schieber, N.L., Tucoulou, R., Richnow, H., Finazzi, G., Musat, N., (2019):
    Algal remodeling in a ubiquitous planktonic photosymbiosis
    Curr. Biol. 29 (6), 968 - 978.e4
    full text (url)
  • Kallies, R., Kiesel, B., Schmidt, M., Ghanem, N., Zopfi, J., Hackermüller, J., Harms, H., Wick, L.Y., Chatzinotas, A., (2019):
    Complete genome sequence of Pseudoalteromonas virus vB_PspP-H6/1 that infects Pseudoalteromonas sp. strain H6
    Mar. Genom.
    full text (url)
  • Kallies, R., Kiesel, B., Schmidt, M., Kacza, J., Ghanem, N., Narr, A., Zopfi, J., Wick, L.Y., Hackermüller, J., Harms, H., Chatzinotas, A., (2017):
    Complete genome sequence of Pseudoalteromonas phage vB_PspS-H40/1 (formerly H40/1) that infects Pseudoalteromonas sp. strain H40 and is used as biological tracer in hydrological transport studies
    Stand. Genomic Sci. 12 , art. 20
    full text (url)
  • Moreno Osorio, J.H., Benettoni, P., Schmidt, M., Stryhanyuk, H., Schmitt-Jansen, M., Pinto, G., Pollio, A., Frunzo, L., Lens, P.N.L., Richnow, H.H., Esposito, G., Musat, N., (2019):
    Investigation of architecture development and phosphate distribution in Chlorella biofilm by complementary microscopy techniques
    FEMS Microbiol. Ecol. 95 (4), fiz029
    full text (url)
  • Pickenhain, R., Schmidt, M., von Wenckstern, H., Benndorf, G., Pöppl, A., Böttcher, R., Grundmann, M., (2018):
    Negative‐U properties of the deep level E3 in ZnO
    Phys. Status Solidi B-Basic Solid State Phys. 255 (7), art. 1700670
    full text (url)
  • Renpenning, J., Horst, A., Schmidt, M., Gehre, M., (2018):
    Online isotope analysis of 37Cl/35Cl universally applied for semi-volatile organic compounds using GC-MC-ICPMS
    J. Anal. At. Spectrom. 33 (2), 314 - 321
    full text (url)
  • Said, N., Chatzinotas, A., Schmidt, M., (2019):
    Have an ion on it: the life-cycle of Bdellovibrio bacteriovorus viewed by helium-ion microscopy
    Adv. Biosyst. 3 (1), art. 1800250
    full text (url)
  • Schkolnik, G., Schmidt, M., Mazza, M.G., Harnisch, F., Musat, N., (2015):
    In situ analysis of a silver nanoparticle-precipitating Shewanella biofilm by surface enhanced confocal Raman microscopy
    PLOS One 10 (12), e0145871
    full text (url)
  • Sharma, A., Schmidt, M., Kiesel, B., Mahato, N.K., Cralle, L., Singh, Y., Richnow, H.H., Gilbert, J.A., Arnold, W., Lal, R., (2018):
    Bacterial and archaeal viruses of Himalayan hot springs at Manikaran modulate host genomes
    Front. Microbiol. 9 , art. 3095
    full text (url)
  • Zarejousheghani, M., Schrader, S., Möder, M., Schmidt, M., Borsdorf, H., (2018):
    A new strategy for accelerated extraction of target compounds using molecularly imprinted polymer particles embedded in a paper-based disk
    J. Mol. Recognit. 31 (3), e2629
    full text (url)


  • M. Schmidt, P.J. Janse van Rensburg, W.E. Meyer and F.D. Auret,
    Observation of low-temperature annealing of a primary defect in gallium nitride,
    Physica B 439 64 (2014)
    DOI: 10.1016/j.physb.2013.11.008

  • M. Schmidt, H. de Meyer, P.J. Janse van Rensburg, W.E. Meyer and F.D. Auret,
    Introduction and annealing of primary defects in proton-bombarded n-GaN,
    Phys. Status Solidi B 251, 211 (2014)
    DOI: 10.1002/pssb.201349191

  • W. Mtangi, M. Schmidt, F.D. Auret, W.E. Meyer, P.J. Janse van Rensburg, M. Diale, J.M. Nel, A.G.M. Das, F.C.C. Ling and A. Chawanda,
    A study of the T2 defect and the emission properties of the E3 deep level in annealed melt grown ZnO single crystals,
    J. Appl. Phys. 113, 124502 (2013)
    DOI: 10.1063/1.4796139

  • M. Schmidt, H. v. Wenckstern, R. Pickenhain and M. Grundmann,
    On the investigation of electronic defect states in ZnO thin films by space charge spectroscopy with optical excitation
    Solid-State Electron. 75, 48 (2012)
    DOI: 10.1016/j.sse.2012.04.043

  • M. Schmidt, M. Ellguth, R. Karsthof, H. v. Wenckstern, R. Pickenhain, M. Grundmann, G. Brauer, and F.C.C. Ling,
    On the T2 trap in zinc oxide thin films,
    Phys. Status Solidi B 249, 588 (2012)
    DOI: 10.1002/pssb.201147271

  • M. Schmidt, K. Brachwitz, F. Schmidt, M. Ellguth, H. v. Wenckstern, R. Pickenhain, M. Grundmann, G. Brauer, and W. Skorupa,
    Nickel-related defects in ZnO – A deep-level transient spectroscopy and photo-capacitance study,
    Phys. Status Solidi B 248, 1949 (2011)
    DOI: 10.1002/pssb.201046634

  • Z. Zhang, H. v. Wenckstern, M. Schmidt, and M. Grundmann,
    Wavelength selective metal-semiconductor-metal photodetectors based on (Mg,Zn)O-heterostructures,
    Appl. Phys. Lett. 99 083502 (2011)
    DOI: 10.1063/1.3628338

  • A. Lajn, M. Schmidt, H. v. Wenckstern,and M. Grundmann,
    Transparent rectifying contacts for visible-blind ultraviolet photo diodes based on ZnO,
    J. Electr. Mat. 40, 473 (2011)
    DOI: 10.1007/s11664-010-1395-x

  • M. Ellguth, M. Schmidt, H. v. Wenckstern, R. Pickenhain, and M. Grundmann,
    Characterization of point defects in ZnO thin films by optical deep level transient spectroscopy,
    Phys. Status Solidi B 248, 941 (2011)
    DOI: 10.1002/pssb.201046244

  • H. v. Wenckstern, K. Brachwitz, M. Schmidt, C.P. Dietrich, M. Ellguth, M. Stölzel, M. Lorenz and M. Grundmann,
    The E3 defect in MgZnO,
    J. Electr. Mat. 39, 584 (2010)
    DOI: 10.1007/s11664-009-0967-0

  • J. Chai, R.J. Mendelsberg, R.J. Reeves, J. Kennedy, H. v. Wenckstern, M. Schmidt, M. Grundmann, K. Doyle, T.H. Myers, and S.M. Durbin,
    Identification of a Deep Acceptor Level in ZnO due to Silver Doping,
    J. Electr. Mat. 39, 577 (2010)
    DOI: 10.1007/s11664-009-1025-7

  • M. Schmidt, M. Ellguth, F. Schmidt, T. Lüder, H. v. Wenckstern, R. Pickenhain, M. Grundmann, G. Brauer, and W. Skorupa,
    Defects in a nitrogen-implanted ZnO thin film,
    Phys. Status Solidi B 247, 1220 (2010)
    DOI: 10.1002/pssb.200945534

  • M. Schmidt, M. Ellguth, C. Czekalla, H. v. Wenckstern, R. Pickenhain, M. Grundmann, G. Brauer, W. Skorupa, M. Helm, Q. Gu, and F.C.C. Ling,
    Defects in zinc-implanted ZnO thin films,
    J. Vac. Sci. Technol., B 27 1597, (2009)
    DOI: 10.1116/1.3086659

  • M. Schmidt, R. Pickenhain, and M. Grundmann,
    Exact solutions for the capacitance of space charge regions at semiconductor interfaces,
    Solid-State Electron. 51, 1002 (2007)
    DOI: 10.1016/j.sse.2007.04.004


Theses

Ph.D thesis (Universität Leipzig, 2012):

Space-Charge Spectroscopy applied to Defect Studies in Ion-Implanted Zinc Oxide Thin Films


Diploma thesis (Universität Leipzig, 2006):

Theoretische Untersuchungen zu Raumladungszonen an Halbleitergrenzflächen
(Theoretical Investigations of Space-Charge Regions at Semiconductor Interfaces)