Lymperakis, L.: Surface rehybridization and strain effects on the composition and the properties of ternary III Nitride alloys. 19th International Conference on Crystal Growth and Epitaxy, Keystone, CO, USA (2019)
Lymperakis, L.: Elastically Frustrated Rehybridization: Implications in Alloy Ordering and Strong Compositional Limitations in Epitaxial InGaN Films. 1st German Austrian Conference of Crystal Growth, Vienna, Austria (2018)
Lymperakis, L.: Physics, growth mechanisms, and peculiarities of III-N surfaces from ab-initio. Seminar at Institute for solid state physics, Technical University Berlin, Berlin, Germany (2017)
Lymperakis, L.: Elastically frustrated rehybridization of InGaN surfaces: Implications on growth temperature and alloy ordering. Spring school on short period superlattices, Warsaw, Poland (2017)
Lymperakis, L.: Epitaxial Growth of III-Nitrides: Insights from Density Functional Theory Calculations. Seminar at University of Crete, Physics Department, Crete, Greece (2016)
Lymperakis, L.: Interplay of kinetics and thermodynamics of epitaxially grown wide bandgap semiconductors. 10th Asian-European Conference on Plasma Surface Engineering, Jeju Island, South Korea (2015)
Lymperakis, L.; Weidlich, P. H.; Eisele, H.; Schnedler, M.; Nys, J.-P.; Grandidier, B.; Stievenard, D.; Dunin-Borkowski, R.; Neugebauer, J.; Ebert, P.: Revealing Hidden Surface States of Non-Polar GaN Facets by an Ab Initio Tailored STM Approach. 10th International Conference on Nitride Semiconductors, Washigton DC, USA (2013)
Schulz, T.; Remmele, T.; Markurt, T.; Korytov, M.; Albrecht, M.; Duff, A.; Lymperakis, L.; Neugebauer, J.: Alloy fluctuations in III-Nitrides revisited by aberration corrected transmission electron microscopy. International Workshop on Nitride Semiconductors 2012, Sapporo, Japan (2012)
Lymperakis, L.: Ab initio calculations of energetics, adatom kinetics, and electronic structure of nonpolar and semipolar III-Nitride surfaces. PolarCoN Summer School, Kostanz, Germany (2012)
Albrecht, M.; Markurt, T.; Schulz, T.; Lymperakis, L.; Duff, A.; Neugebauer, J.; Drechsel, P.; Stauss, P.: Dislocation Mechanisms and Strain Relaxation in the Growth of GaN on Silicon Substrates for Solid State Lighting. International Conference on Extended Defects in Semiconductors, Thessaloniki, Greek (2012)
Lymperakis, L.; Albrecht, M.; Neugebauer, J.: Excitonic emission from a-type screw dislocations in GaN. International Conference on Extended Defects in Semiconductors, Thessaloniki, Greek (2012)
von Pezold, J.; Lymperakis, L.; Neugebauer, J.: Towards an ab-initio based understanding of H-embrittlement: An atomistic study of the HELP mechanism. Joint Hydrogenius and ICNER International Workshop on Hydrogen-Materials Interactions, Kyushu, Japan (2012)
Duff, A.; Lymperakis, L.; Neugebauer, J.: Ab-initio based comparitive study of In incorporation and surface segregation on III- and N-face {0001} InGaN surfaces. 9th International Conference of Nitride Semi-Conductors, Glasgow, UK (2011)
International researcher team presents a novel microstructure design strategy for lean medium-manganese steels with optimized properties in the journal Science
The key to the design and construction of advanced materials with tailored mechanical properties is nano- and micro-scale plasticity. Significant influence also exists in shaping the mechanical behavior of materials on small length scales.
This project aims to correlate the localised electrical properties of ceramic materials and the defects present within their microstructure. A systematic approach has been developed to create crack-free deformation in oxides through nanoindentation, while the localised defects are probed in-situ SEM to study the electronic properties. A coupling…
This project endeavours to offer comprehensive insights into GB phases and their mechanical responses within both pure Ni and Ni-X (X=Cu, Au, Nb) solid solutions. The outcomes of this research will contribute to the development of mechanism-property diagrams, guiding material design and optimization strategies for various applications.
By using the DAMASK simulation package we developed a new approach to predict the evolution of anisotropic yield functions by coupling large scale forming simulations directly with crystal plasticity-spectral based virtual experiments, realizing a multi-scale model for metal forming.