Duff, A.; Lymperakis, L.; Neugebauer, J.: Limits of Indium Incorporation on In1-xGaxN {0001} III- and N-Polar Surfaces: An Ab Initio Approach. 10th International Conference on Nitride Semiconductors, Washigton DC, USA (2013)
Dutta, B.; Hickel, T.; Neugebauer, J.: Ab-initio based prediction of chemical trends for phase transitions in magnetic shape memory alloys. Computation meets Experiment: KKR Green functions for calculations of spectroscopic, transport and magnetic properties, Department of Physics, University of Warwick, Warwick, Coventry, UK (2013)
Todorova, M.; Neugebauer, J.: Electrochemical Pourbaix phase diagrams from ab initio calculations. XLII CALPHAD Conference, San Sebastian, Spain (2013)
Cheng, S.-T.; Todorova, M.; Neugebauer, J.: Interactions of oxidizing species with the Mg(0001) surface: The role of electrostatic contributions. Connecting electrochemical and water simulations: Status and future challenges, Ringberg, Germany (2013)
Todorova, M.; Neugebauer, J.: Extending the concept of semiconductor defect chemistry to electrochemistry. Connecting electrochemical and water simulations: Status and future challenges, Ringberg, Germany (2013)
Todorova, M.; Neugebauer, J.: Extending the concept of semiconductor defect chemistry to electrochemistry. Workshop "Connecting electrochemical and water simulations: Status and future challenges", San Sebastian, Spain (2013)
Remmele, T.; Schulz, T.; Markurt, T.; Korytov, M.; Albrecht, M.; Duff, A.; Lymperakis, L.; Neugebauer, J.: Quantitative measurement of composition fluctuations in InGaN quantum wells. 15th European Microscopy Congress, Manchester Central, UK (2012)
Aydin, U.; Hickel, T.; Neugebauer, J.: Combining ab initio with data mining techniques: Solution enthalpy of hydrogen in transition metals. ADIS Conference 2012, Ringberg, Germany (2012)
Aydin, U.; Hickel, T.; Neugebauer, J.: Combining ab initio with data mining techniques: Solution enthalpy of hydrogen in transition metals. DPG Frühjahrstagung 2012, Berlin, Germany (2012)
Bauer, K.-D.; Todorova, M.; Hingerl, K.; Neugebauer, J.: Ab-initio Study on Liquid Metal Embrittlement in the Fe/Zn System. International Workshop on Ab initio Description of Iron and Steel (ADIS2012), Ringberg, 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…
We will investigate the electrothermomechanical response of individual metallic nanowires as a function of microstructural interfaces from the growth processes. This will be accomplished using in situ SEM 4-point probe-based electrical resistivity measurements and 2-point probe-based impedance measurements, as a function of mechanical strain and…
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.
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
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,...
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…
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…