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Laboratory for Waste Management (LES)

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Education

Current Postdocs

NES unit Name Project
LES Dr. Yanhua Chen

"Diffusive transport of gaseous
species at saturated and partially saturated
conditions"
Start date: September 2019

LES Dr. Pablo Cruz Hernandez

"Sorption
mechanisms of Zn and U on Opalinus Clay"
Start date: August 2019

LES Dr. Francesco Marafatto

"Cryo-microspectroscopy
at the microXAS beamline for the investigation of
redox- and radiation-sensitive samples"
Start date: June 2017

Current PhD Students

NES unit Name Title Supervisor
LES Vasyl Stotskyi “Molecular scale understanding of competitive cation adsorption on swelling clay minerals”
Start date: May 2021
Prof. S. Churakov, Universität Bern and PSI; Dr. M. Marques Fernandes, PSI
LES Dimitra Zerva

“Retention and transport of surface complexing radionuclides in compacted clay rocks”
Start date: March 2020

Prof. S. Churakov, Universität Bern and PSI; Dr. M. Glaus, PSI 
LES Jerry Owusu "Pore-scale simulations of gas molecules in saturated and partially saturated clays"
Start date: November 2019
Prof. S. Churakov, Universität Bern and PSI; Dr. N. Prasianakis, PSI
LES Yanting Qian "Adsorption of redox sensitive radionuclides on Fe-bearing clay minerals"
Start date:
November 2019

Prof. S. Churakov, Universität Bern and PSI; Dr. M. Marques Fernandes, PSI;
Dr. S. Grangeon, BRGM

LES Mohamed Mahrous "Resolving dissolution-precipitation processes in porous media: Pore-scale lattice Boltzmann modelling combined with synchrotron-based X-ray characterisation"
Start date: March 2018
Prof. S. Churakov, Universität Bern and PSI; Dr. N. Prasianakis, PSI

Past Postdocs

NES unit Name Project
LES Dr. Typhaine Guillemot “Development of C-14 AMS based analytical methods for the identification and quantification of dissolved and volatile organic compounds”
LES Dr. Ravi Patel

"Resolving carbonation mechanisms of cement-based materials through multi-scale microstructural simulations"

"Boiling crisis in nuclear reactor"

LES Dr. Dan Miron

"Effect of aluminum on C-S-H structure, stability and solubility"

ThermAc

LES Dr. Guoqing Gen "Alkali-silica reaction in concrete"
LES Guomin Yang "Pore-scale control of mineral precipitation: from atomistic model to macroscopic modelling and experimental observations"
LES Benjamin Cvetkovic C-14
LES Alina Yapparova COTHERM

Past PhD Students

NES unit Name Title Link to thesis
LES Leonardo Hax Damiani "Modelling transport across reactive interfaces with the Nernst-Planck approach"  
LES Philipp Krejci "Multispecies cation transport in compacted clays"  
LES Pietro Luraschi "Evolution of transport properties, mineralogy and porosity of cement-clay interfaces"  
LES Silvan Wick

"Thallium Sorption onto Illite and Birnessite and its Relevance in Soils"

Thesis
LES Andrea Mancini "Thermodynamic and spectroscopic investigations of ferric and ferrous iron in cementitious systems" Thesis
LES Latina Nedyalkova A structural and thermodynamic study of the intercalation of selenium(IV), selenium(-II), sulfur(-II) and iodine(-I) in AFm phases  
LES Annamária Kéri

Shedding light on metal adsorption processes on clay minerals inferred from atomistic simulations and X-ray absorption spectroscopy

 
LES Cornelia Wigger Anion accessibility in low argillaceous rocks (ANPOR)  
LES Yanhua Chen Retardation of low-molecular weight organic compounds in clays  
LES Amir Shafizadeh Porosity and structural changes at cement/clay interfaces and their relations to transport properties  
LES Jenna Poonoosamy Dissolution-Precipitation in Porous Media: Experiments and Modelling Thesis
LES Daniela Soltermann Ferrous iron uptake mechanisms at the montmorillonite-water interface under anoxic and electrochemically reduced conditions Diss., ETH Zürich, Nr. 22103

Teaching

NES unit Name Course University
LES Prof. Dr. Sergey Churakov Atomistic simulations of geo-materials Universität Bern
LES Prof. Dr. Sergey Churakov Mineral surface characterization by Atomic Force Microscopy (AFM) Universität Bern
LES Prof. Dr. Sergey Churakov Crystal Optics Universität Bern
LES Prof. Dr. Sergey Churakov Crystallography I + II and Practical Course Universität Bern
LES PD Dr. Wolfgang Hummel Nuclear Energy Systems ETH Zürich
LES PD Dr. Wolfgang Hummel Landfilling, Contaminated Sites and Radioactive Waste Repositories ETH Zürich
LES PD Dr. Georg Kosakowski Geostatistics Universität Bern
LES Dr. Enzo Curti Geological Disposal of Radioactive Waste Universität Bern
LES Dr. Thomas Gimmi Geochemical Modelling II: Reactive-Transport Modelling (prer) Universität Bern
LES Dr. Wilfried Pfingsten Modelling of Processes in Soils and Aquifers ETH Zürich

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Contact

Paul Scherrer Institut
Laboratory for Waste Management
Prof. Dr. Sergey Churakov
5232 Villigen PSI

Secretary
Deborah Schneider
Telephone: +41 56 310 24 17
E-mail: deborah.schneider@psi.ch

Contact

University of Bern
Institute of Geological Sciences
Prof. Dr. Sergey Churakov
Baltzerstrasse 1+3
3012 Bern

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