The Group

Head of Laboratory

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Associate Professor

Dr. Alex Redinger

Administrative staff

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Astrid Tobias

Postdoctoral fellows

Doctoral students

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Thibaut Gallet

Christian Kameni

Boumenou

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Evandro Lanzoni

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Jonathan 

Rommelfangen

Master Students

Technical staff

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Dr. Ulrich Siegel

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Robert Himelrick

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Dr. Bernd Uder

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Himanshu

Phirke

Joana Ferreira

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Dr. Jeremy

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We are always welcoming new Master students. Contact Alex Redinger if you wish to be part of our group

Alumni

Dr. Ajay Singh

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Md. Uzair Farooq

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Bernd Uder started in April 2019 as technical staff at the University of Luxembourg to support research activities of the Physics and Materials Science Research Unit.

He is also the laser safety officer for the University of Luxembourg at the Limpertsberg campus.

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Dr. Bernd Uder

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After his diploma in physics in 1993 he worked for more than 20 years at Omicron NanoTechnology (now Scienta Omicron) in test, service, engineering and product management. Bernd is specialized in Scanning Probe Microscopy, Thin Film Systems and Surface Science Instrumentation.

 

He returned as PhD student in 2015 to the Saarland University in Saarbrücken (Germany) and started research on the elasticity of freestading graphene membrane (B. Uder et al. Nanoscale 2018, 10, 2148 “Low-force spectroscopy on graphene membranes by scanning tunneling microscopy”) and obtained his PhD in Physics in 2018.

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Joana Ferreira

Joana Ferreira is a PhD candidate in Physics and Materials Science at the university of Luxembourg, in the Scanning Probe Microscopy Laboratory, under the supervision of Alex Redinger. Her research is based on the epitaxial growth of tin perovskites and their characterization.

 

She received the BSc and the MSc in Physics from the university of Luxembourg. Her Master thesis was carried out in the LPM group at the University of Luxembourg and consisted in the study of polymer crystallization using fast differential scanning calorimetry.

Himanshu Phirke is a PhD candidate in Physics at the University of Luxembourg in the Scanning Probe Microscopy Laboratory of Alex Redinger. His research focuses on the correlation of optical and electronic properties of halide perovskite and CIGS using PL and KPFM.

 

He received his BSc in Physics from University of Pune, India and his MSc in Physics from California State University Northridge, USA. His Master thesis was based on STM and the study of the work function change of Graphene on copper and Nitrogen-doped graphene on copper.

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Himanshu

Phirke

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Thibaut Gallet

Thibaut Gallet is a PhD candidate in Physics at the University of Luxembourg in the Scanning Probe Microscopy Laboratory of Alex Redinger. His research focuses on the co-evaporation of hybrid perovskite absorbers and their characterization using a variety of scanning probe microscopy techniques.

 

He received his BSc and MSc in Materials Science from INSA Lyon (France) with a focus on semiconductor physics and obtained a second MSc in Nanoscale Engineering from Centrale Lyon (France). His Master thesis carried out in the group of photovoltaics of Alain Fave, at the Institute of Nanotechnologies in Lyon (INL) was on the fabrication of silicon tunnel junction for tandem solar cells, which gave him a genuine interest in solar cell physics.

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Evandro M. Lanzoni is a Phd candidate in Physics and Materials Science at the University of Luxembourg. His research is focused in scanning probe microscopy based techniques applied to the investigation of the Cu(In,Ga)Se2 (CIGS) grain boundary epitaxially grown on GaAs substrate.

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Evandro Lanzoni

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He studied Physics at São Paulo State University – UNESP (Brazil) and he received his Msc in Science and Technology of Materials also at São Paulo State University – UNESP (Brazil). In 2012 he joined as a trainee at Tunneling and Atomic Force Microscopy Group - MTA/LNNano (currently laboratory for Surface Science - LCS/LNNano). From 2013 to 2018, he worked as a specialist technician of the same group. He has a vast experience in scanning probe microscopy based technique, such as STM, AFM, EFM, KPFM, MFM, SCM, NanoIR, SNOM, LFM, Nanolithography, etc.

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Christian Kameni

Boumenou

Christian KAMENI  BOUMENOU is a PhD candidate in the scanning probe microscopy (SPM) Lab of the university of Luxembourg. His research topic is mainly based on the nanoscale investigation of the surfaces, interfaces and grain boundaries and the electronic properties of polycrystalline Cu(In, Ga)Se2 thin film solar cells absorber layers, by using different surface sensitive characterization techniques such as STM, STS and KPFM. Additional measurements like XPS and UPS are also used.

He received his BSc in physics and MSc degree by coursework in materials science from the university of Yaounde 1, in Cameroon. He then went to Nelson Mandela University (NMU) in South Africa where he obtained a second MSc degree by research where his Master thesis was on cross-sectional surface potential imaging of n-type/p-type GaAs grown on semi-insulating GaAs using both amplitude and frequency modulation KPFM. His research works were carried out in the semiconductor materials and nanostructures Lab of Professor Reinhardt Botha.

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Jonathan Rommelfangen is a Phd candidate in Physics and Materials Science at the University of Luxembourg. His research is focused in scanning probe microscopy based techniques based on the 2D material MoS2.

He received his BSc and MSc in Physics from the University of Luxembourg. His Master thesis carried ou in the SPM group was on the growth and characterizations of MoS2.

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Jonathan 

Rommelfangen

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Dr. Jeremy

Hieulle

Jeremy Hieulle is a PostDoc in Physics and Materials Science at the university of Luxembourg in the Scanning Probe Microscopy Laboratory of Alex Redinger. His research focuses on the study of halide perovskites via upgrading the UHV SPM with XPS and UPS.

He received his PhD from Ecole Polytechnique, where he worked on the fabrication of self-assembled monolayers and their study via STM. Since then, he held different PostDoc positions at CIC nanoGUNE, Spain and OIST, Japan where he worked on halide perovskites and other materials using SPM techniques.

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Dr. Ajay Singh

Ajay Singh is an R&D specialist cum postdoctoral researcher at the University of Luxembourg in the Scanning Probe Microscopy Laboratory of Alex Redinger. His research focuses on nanoelectronic devices including solar cells, LEDs, transistors, nanowires, thermoelectric devices. He works on numerical (drift-diffusion and optoelectronic) simulations of nanoelectronic devices, with special emphasis on renewable energy systems, such as solar cells (organic semiconductors, perovskite-based) and thermoelectric devices. Along with simulations, he works on the fabrication and characterization of inorganic-organic hybrid perovskite-based photovoltaic devices.

He recently submitted his Ph.D. at the Technical University of Munich, Germany, which was based on studying charge carrier transport in hybrid perovskite and dye-sensitized solar cells. His main objective is to combine his knowledge of device physics, nanoelectronics and material science to develop renewable energy technologies, such as solar cells and thermoelectric devices

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Md. Uzair Farooq

Mohammad Uzair Farooq is a PhD candidate in Physics at the University of Luxembourg in the Scanning Probe Microscopy Laboratory of Alex Redinger. His research focuses on the characterization of perovskite and CIGS thin films using SPM techniques.

 

He received his BSc and MSc in Physics from University of Luxembourg.

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