Invited Talks:
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"QLEDs und QD-Laser - Optimierung von QD-Eigenschaften mittels ReaxFF+" R. Leitsmann -- 3th Industry Partners Day Fraunhofer FEP Dresden 2015
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"Simulation chemischer Prozesse - effizient, effizienter, ReaxFF+" O. Böhm und R. Leitsmann -- EFDS Anwenderworkshop Einsatz von Simulationsmethoden im industriellen Umfeld 2015
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"Ab initio modelling of polar interfaces and nanostructures" R. Leitsmann and F. Bechstedt -- 15th international Conference on Solid Films and Surfaces 2010 Beijing
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"Nanomagnetism in Si Nanocrystals" C. Panse, R. Leitsmann, and F. Bechstedt -- Rewiev and Results Workshop 2009 LRZ München (presented by C. Panse)
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"Quantum Confined Stark Effect in embedded PbTe Nanocrystals" R. Leitsmann, and F. Bechstedt -- Rewiev and Results Workshop 2008 HLRS Stuttgart
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"Ab initio Simulations of PbTe-CdTe Nanostructures" R. Leitsmann, and F. Bechstedt -- Rewiev and Results Workshop 2007 HLRS Stuttgart
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"Lattice type mismatched quantum dots with strong emission in the mid-infrared W. Heiss, H. Groiss, E. Kaufmann, G. Hesser, G. Springholz, F. Schäffler, K. Koike, H. Harada, M. Yano, R. Leitsmann, and F. Bechstedt -- Euro-MBE 2007 Sierra Nevada (presented by W. Heiss)
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"Quantum dots with coherent interfaces between rocksalt-PbTe and zincblende-CdTe" W. Heiss, H. Groiss, E. Kaufmann, G. Hesser, M. Böberl, G. Springholz, F. Schäffler, R. Leitsmann, F. Bechstedt, K. Koike, H. Harada, and M. Yano -- ICPS 2006 in Wien (presented by W. Heiss)
Contributed Talks:
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"ReaxFF+ I - a new reactive force field method for the accurate description of ionic systems"
-- DPG Spring Meeting 2016 in Regensburg -
"ReaxFF+ II - highly efficient parametrization methods for the ReaxFF+ at the example of the hydrolysation of aluminosilicates" -- DPG Spring Meeting 2016 in Regensburg
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"Oxygen Vacancies in the Ultrathin SiO2 Interfacial Layer of High-K/Metal Gate CMOS Devices"
-- DPG Spring Meeting 2016 in Regensburg -
"Comprehensive Defect Spectroscopy and Multi-Frequency Charge Pumping Study of High-K Metal Gate Transistors" -- IEEE SISC 2015 (presented by J.. Ocker)
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"Deciphering Reliability in High-K Metal Gate Technology" -- IEEE SISC 2015 (presented by M. Drescher)
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"Charge transition levels of oxygen, lanthanum and fluorine related defect structures in bulk hafniumdioxide (HfO2): an ab initio investigation" -- DPG Spring Meeting 2015
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"Influence of Nitrogen Trap States on the Electronic Properties of HKMG Transistors" -- IIRW 2014 (presented by J. Ocker)
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"Fluorine Interface Treatments within the Gate Stack for Defect Passivation in 28nm HKMG Technology" -- WODIM 2014 (presented by M. Drescher)
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"Oxygen Related Defects and the Reliability of High-k Dielectric Films in FETs" -- ISCDG 2013 in Dresden
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"Lithium Interkalation im kathodenmaterial Vanadiumoxid (V2O5) als Beispiel für den Einsatz moderner Materialsimulationen auf atomarer Basis in der industriellen Forschung" -- Sächsisches Forum für Brennstoffzellen und Energiespeicher" 2012 Leipzig
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"Post-etch cleaning mechanisms at ultra-low k surfaces" -- DPG Spring Meeting 2011 in Dresden
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"Modeling of interfaces and nanostructures: Effects of structure mismatch, bond polarity and interface charges" -- DPG Spring Meeting 2010 in Regensburg
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"Interfaces between polar materials and nanocrystals" -- ICFSI 2009 in Weimar
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"Internal quantum confined Stark effect in embedded IV-VI semiconductor nanodots" -- DPG Spring Meeting 2009 in Dresden
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"Structural and Electronic Properties of IV-VI Semiconductor Nanodots" -- APS March-Meeting 2008 in New Orleans
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"Electronic Properties of PbTe/CdTe (100) interfaces" -- DPG Spring Meeting 2008 in Berlin
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"Ab initio description of nanocrystals" -- SFB IR-ON Meeting 2008 in Bad Hofgastein
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"Electronic properties of embedded PbTe Nanodots" -- SFB IR-ON Meeting 2007 in Linz
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"Electronic properties of polar PbTe/CdTe (100) interfaces" -- NGS-13 2007 in Guildford
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"Electronic properties of PbTe/CdTe (100) interfaces" -- ICN+T 2007 in Stockholm
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"Stability and structure of free standing III-V nanorods: An ab initio investigation" -- ICN+T 2007 in Stockholm
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"Stability and structure of free standing III-V semiconductor nanorods: An ab initio investigation" -- DPG Spring Meeting 2007 in Regensburg
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"Surface influence on stability and structure of III-V nanorods: First-principles studies" -- SFB IR-ON Meeting 2007 in Bad Hofgastein
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"Structural and Electronic properties of PbTe(rocksalt)/CdTe(zinc blende) interfaces" -- ICSFS13 2006 in San Carlos de Bariloche
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"PbTe/CdTe interfaces: electronic properties" -- SFB IR-ON Meeting 2006 in Wien
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"Ab initio calculation of Structural and Electronic Properties of Interfaces between Ionic Compounds: PbTe(rs)/CdTe(zb)" -- DPG Spring-Meeting 2006 in Dresden
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"PbTe-quantum dots embedded in CdTe-Matrix" -- SFB IR-ON Meeting 2005 in Bad Ischl
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"Excitons in Second-Harmonic Generation (SHG)" -- NANOQUANTA Young-Researchers-Meeting 2005 in Berlin
Poster contributions:
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“Simulation of reaction- and diffusion processes in pores of ultra-low k materials using the ReaxFF+ method“ -- DPG Spring Meeting 2016 Regensburg
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"Vibrational properties and Gibbs free energy of silylation reactions" -- OSI10 2013 Chemnitz
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"Restoring the k value in damaged ultra-low k materials" -- DPG Spring Meeting 2013 Regensburg
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"Restoring the k value in carbon depleted ultra-low k surfaces by the silylation of hydroxyl groups with N-trimethylsilylimidazole and dimethyldiacetoxysilane" -- DPG Spring Meeting 2012 Berlin
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"Repair process for carbon depleted ultra-low k materials" -- MSE 2012 Darmstadt
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"Charge Transition Levels of Boron and Silicon Impurities in GaAs" -- IEEE Semicond. Conf. 2011 Dresden
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"Internal quantum confined Stark effect in embedded IV-VI semiconductor quantum dots" -- NGS-14 2009 in Sendai
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"Internal quantum confined Stark effect in embedded IV-VI Semiconductor Nanodots" -- QD2008 in Gyeongju
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"Stability and structure of free-standing III-V nanorods: An ab initio investigation" -- APS March Meeting 2008 in New Orleans
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"Free-standing III-V nanorods: An ab initio investigation of the structural and electronic properties" -- NGS-13 2007 in Guildford
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"Self-organization of adenin dimer chains on Cu(110) surfaces" -- ICN+T 2007 in Stockholm
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"Interface structure and shape of rs-PbTe quantum dots embedded in zb-CdTe: An ab initio study" -- ICPS 2006 in Wien
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"Nonlinear optical Coefficients from First Principles Calculations" -- DPG Spring Meeting 2005 in Berlin
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"Nonlinear optical coefficients from first-principles calculations: Different numerical approaches" -- NANOEXC 2004 in Acquafredda di Maratea