Gogoi, M.; Deb, P.; Vasan, G.; Keil, P.; Kostka, A.; Erbe, A.: Direct monophasic replacement of fatty acid by DMSA on SPION surface. Applied Surface Science 258, pp. 9685 - 9691 (2012)
Vasan, G.; Erbe, A.: Incidence angle dependence of enhancement factor in attenuated total reflection surface enhanced infrared absorption spectroscopy studied by numerical solution of the vectorial Maxwell equations. Physical Chemistry Chemical Physics 14, pp. 14702 - 14709 (2012)
Vasan, G.; Chen, Y.; Erbe, A.: Computation of surface-enhanced infrared absorption spectra of particles at a surface through the Finite Element Method. Journal of Physical Chemistry 115 (7), pp. 3025 - 3033 (2011)
Reithmeier, M.; Vasan, G.; Erbe, A.: Optical engineering of interfaces for concurrent internal reflection infrared-spectroscopic and electrochemical applications. 109th Annual meeting of the German Bunsen Society of Physical Chemistry (Bunsentagung), Bielefeld, Germany (2010)
Vasan, G.; Erbe, A.: Finite element calculations of surface enhancement in attenuated total reflection infrared spectroscopy. Spring meeting of the German Physical Society, Regensburg, Germany (2010)
Vasan, G.; Erbe, A.: Finite element calculations of surface enhancement in attenuated total reflection infrared spectroscopy. Workshop Nano particles, nano structures and near field computation, Bremen, Germany (2010)
Vasan, G.; Chen, Y.; Erbe, A.: Finite element analysis of surface enhancement in surface enhanced attenuated total reflection infrared spectroscopy. ENFI 2011, Linz, Austria (2011)
Sonowal, H.; Gogoi, M.; Kalita, E.; Vasan, G.; Erbe, A.; Deb, P.: Surface functionalisation mediated enhanced bio-distribution of superparamagnetic iron oxide nanoparticles (SPION) for diagnostic applications. International Conference on Nanoscience and Technology, Mumbai, India (2010)
Vasan, G.; Erbe, A.: Simulation of surface enhanced infrared absorption spectra for rough model surfaces. 4th International workshop on vibrational spectroscopy of thin films (VSM4), Potsdam, Germany (2009)
Vasan, G.; Erbe, A.: Simulation of surface enhanced infrared absorption spectra for rough model surfaces. 108th Annual Meeting of the Bunsen Society of Physical Chemsitry (Bunsentagung), Köln, Germany (2009)
Vasan, G.: Numerical Investigation of Rough Model Surfaces in Attenuated Total Reflection Surface Enhanced Infrared Absorption Spectroscopy With Correlating Experiments. Dissertation, Fakultät für Maschinenbau der Ruhr-Universität, Bochum, Germany (2012)
Hydrogen in aluminium can cause embrittlement and critical failure. However, the behaviour of hydrogen in aluminium was not yet understood. Scientists at the Max-Planck-Institut für Eisenforschung were able to locate hydrogen inside aluminium’s microstructure and designed strategies to trap the hydrogen atoms inside the microstructure. This can…
This project will aim at developing MEMS based nanoforce sensors with capacitive sensing capabilities. The nanoforce sensors will be further incorporated with in situ SEM and TEM small scale testing systems, for allowing simultaneous visualization of the deformation process during mechanical tests
Hydrogen induced embrittlement of metals is one of the long standing unresolved problems in Materials Science. A hierarchical multiscale approach is used to investigate the underlying atomistic mechanisms.
Hydrogen embrittlement affects high-strength ferrite/martensite dual-phase (DP) steels. The associated micromechanisms which lead to failure have not been fully clarified yet. Here we present a quantitative micromechanical analysis of the microstructural damage phenomena in a model DP steel in the presence of hydrogen.
Thermo-chemo-mechanical interactions due to thermally activated and/or mechanically induced processes govern the constitutive behaviour of metallic alloys during production and in service. Understanding these mechanisms and their influence on the material behaviour is of very high relevance for designing new alloys and corresponding…
The project aims to study corrosion, a detrimental process with an enormous impact on global economy, by combining denstiy-functional theory calculations with thermodynamic concepts.
Understanding hydrogen-assisted embrittlement of advanced structural materials is essential for enabling future hydrogen-based energy industries. A crucially important phenomenon in this context is the delayed fracture in high-strength structural materials. Factors affecting the hydrogen embrittlement are the hydrogen content,...
Understanding hydrogen-assisted embrittlement of advanced high-strength steels is decisive for their application in automotive industry. Ab initio simulations have been employed in studying the hydrogen trapping of Cr/Mn containing iron carbides and the implication for hydrogen embrittlement.
Nickel-based alloys are a particularly interesting class of materials due to their specific properties such as high-temperature strength, low-temperature ductility and toughness, oxidation resistance, hot-corrosion resistance, and weldability, becoming potential candidates for high-performance components that require corrosion resistance and good…