[ES_JOBS_NET] 3 Years post-doctoral position within the DFG research unit MADSoil

Erika Marín-Spiotta marinspiotta at wisc.edu
Sun Aug 30 19:54:49 MDT 2015

Position Announcement
3 Years post-doctoral position (100%) within the DFG research unit MADSoil
We offer a 3-year post-doctoral position (100%) at the Chair of
Hydrogeology of the Friedrich-Schiller-Universität Jena, Germany (
www.uni-jena.de / www.hydro.uni-jena.de) within the DFG-funded research
unit MADSoil. The announced position includes a salary according to TV-L
E13, corresponding to the German TV-L system (Tarifvertrag für den
Öffentlichen Dienst der Länder). The starting date is October 1st 2015.

Within the soil aggregate system, microaggregates are supposed to be of
primary importance, as they are strongly linked with essentially all
processes which control interaction, transport and turnover of soil
constituents. As such, they are intimately connected with the major energy
and biogeochemical cycles. Formation and stability of soil micro-aggregates
depend on the forces acting between the building units. While the
interaction forces are the result of the superposition of short-range and
long-range forces, the contact surface is a function of the size, shape,
roughness and larger-scale irregularities. By employing atomic force
microscopy (AFM), we will explore the role of topography, adhesion,
elasticity and hardness for the formation of soil micro-aggregates and
their stability against external stress. Special consideration will be put
on the role of extracellular polymeric substances as glueing agent. The
objectives are to identify the surface properties which control the
stability of aggregates, to explain formation and stability of aggregates
by analyzing interaction forces and contacting surface topography, and to
link these results to the chemical information obtained by, e.g., NanoSIMS
and XPS in other MadSoil projects.

This position gives an opportunity to combine AFM with other cutting edge
technologies within an interdisciplinary research team focusing on the
(trans-)formation, fate and transport of sub-micron-sized aggregates in the
pedosphere and hydrogeosphere.

Applicants should hold a M.Sc. degree and Doctoral degree in physics,
chemistry, microbiology, geosciences, mineralogy, environmental sciences or
related science. Advanced experience in the application of atomic force
microscopy and publication in peer reviewed journals as first author are
mandatory. Additional experience in other microscopic techniques like Raman
microscopy, scanning and/or transmission electron microscopy (SEM, TEM) are
highly welcome. Experience with AFM-tip modification or advanced image
analysis will be highly beneficial. The candidate should be highly
motivated, team-minded, and keen to work with advanced analytical

A single pdf-file including a letter of motivation, a CV, publication list,
the contact data of 2 referees, and a statement of research interests
should be sent by email indicating [AFM-MadSoil] in the subject line to
hydrogeologie at uni-jena.de until September 27th 2015. Evaluation of the
applications will start soon after the deadline. For questions concerning
your application feel free to contact kai.tosche at uni-jena.de.

For enquiries concerning the position please refer to:

-- ------------------------------
Univ.-Prof. Dr. Kai U. Totsche

Leiter Lehrstuhl für Hydrogeologie, FSU Jena

Sprecher DFG Schwerpunktprogramm *SPP1315 Biogeochemical Interfaces in Soil*

Sprecher  DFG SFB 1076 AquaDiva (gemeinsam mit Prof. Dr. K. Küsel und Prof
Dr. S. Trumbore)


Sprecher des Thüringer Klimarats


Lehrstuhl für Hydrogeologie
Institut für Geowissenschaften
Friedrich-Schiller-Universität Jena
Burgweg 11
07749 Jena
Ph:    +49 (0) 3641 948650

Ph2:  +49 (0) 3641 948651 (Sekr.)
Fax.:  +49 (0) 3641 948652
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