Marquardt, O.; Hickel, T.; Neugebauer, J.: Plane-wave implementation of the k.p-formalism including strain and piezoelectricity to study the optical properties of semiconductor nanostructures. Spring meeting of the German Physical Society (DPG), Berlin, Germany (2008)

Uijttewaal, M.; Hickel, T.; Neugebauer, J.: Phase transformations of Ni₂MnGa shape memory alloy from first principles. Spring meeting of the German Physical Society (DPG), Berlin, Germany (2008)

Hickel, T.; Uijttewaal, M.; Grabowski, B.; Neugebauer, J.: First principles Determination of Phase Transitions in Magnetic Shape Memory Alloys. Group Seminar in Materials Department, University of California (UCSB), Santa Barbara, CA, USA (2008)

Hickel, T.; Grabowski, B.; Körmann, F.; Dick, A.; Neugebauer, J.: Ab intio determination of free energies and phase diagrams. German-Korean miniworkshop, MPI für Eisenforschung GmbH, Düsseldorf, Germany (2008)

Marquardt, O.; Hickel, T.; Neugebauer, J.: Optical properties of semiconductor nanostructures, a PW-approach to real-space properties. MRL seminar at UCSB, UCSB, Santa Barbara, USA (2008)

Grabowski, B.; Hickel, T.; Neugebauer, J.: From ab initio to materials properties: Accuracy and error bars of DFT thermodynamics. Phonon Workshop, Krakau, Poland (2007)

Hickel, T.; Uijttewaal, M.; Grabowski, B.; Neugebauer, J.: Determination of symmetry reduced structures by a soft-phonon analysis in magnetic shape memory alloys. 2nd Workshop on ab initio phonon calculations, Cracow, Poland (2007)

Hickel, T.; Uijttewaal, M.; Grabowski, B.; Neugebauer, J.: First principles Determination of Phase Transitions in Magnetic Shape Memory Alloys. MRS Fall Meeting 2007, Boston, MA, USA (2007)

Grabowski, B.; Ismer, L.; Hickel, T.; Neugebauer, J.: Ab initio up to the melting point: Influence of vacancies and explicit anharmonicity. PAW workshop 2007, Goslar, Germany (2007)

Hickel, T.: Magnetic effects in solids: Results of analytical considerations. PAW workshop 2007, Goslar, Germany (2007)

Ismer, L.; Hickel, T.; Neugebauer, J.: Hydrogen in Mn-rich steels. PAW workshop 2007, Goslar, Germany (2007)

Marquardt, O.; Hickel, T.; Neugebauer, J.: A plane-wave approach to real-space properties of semiconductor nanostructures: Electronic states, strain profiles and piezoelectric fields. PAW workshop 2007, Goslar, Germany (2007)

Uijttewaal, M.; Hickel, T.; Neugebauer, J.: Phase transformation of Ni_2MnGa shape memory alloy from first principles: The pre-martensitic transition. PAW workshop 2007, Goslar, Germany (2007)

Uijttewaal, M.; Hickel, T.; Grabowski, B.; Neugebauer, J.: First ab initio determination of the phase transformation of Ni_{2}MnGa: The pre-martensitic transition. e-MRS 2007 Fall Meeting, Warsaw, Poland (2007)

Grabowski, B.; Hickel, T.; Neugebauer, J.: From ab initio to materials properties: Accuracy and error bars of DFT thermodynamics. Euromat 2007, European Congress on Advanced Materials and Processes, Nürnberg, Germany (2007)

Hickel, T.; Grabowski, B.; Uijttewaal, M.; Neugebauer, J.: Ab initio prediction of structural and thermodynamic properties of magnetic shape memory alloys. Euromat 2007, European Congress on Advanced Materials and Processes, Nürnberg, Germany (2007)

Uijttewaal, M.; Hickel, T.; Neugebauer, J.: Ab initio investigation of temperature dependent effects in Ni_{2}MnGa: The pre-martensitic transition. Convention of the SPP 1239, Castle Eichholz in Wesseling, Germany (2007)

Hickel, T.: Research at the department of Computational Materials Design. Visit of the Steering Committee of IISI project “India 2020”, MPIE Duesseldorf, Germany (2007)

Hickel, T.: Research at the department of Computational Materials Design. Guided Tour through the MPIE, MPIE (2007)

Hickel, T.; Grabowski, B.; Uijttewaal, M.; Neugebauer, J.: Determination of symmetry-reduced structures by a soft-phonon analysis in magnetic shape memory alloys. Physics Seminar of Loughborough University, Loughborough, UK (2007)