Freysoldt, C.; Boeck, S.; Neugebauer, J.: Direct minimization technique for metals in density-functional theory. Physical Review B 79, 241103(R), pp. 1 - 4 (2009)
Qteish, A.; Al-Sharif, A. I.; Fuchs, M.; Scheffler, M.; Boeck, S.; Neugebauer, J.: Role of semicore states in the electronic structure of group-III nitrides: An exact-exchange study. Physical Review B 72, 155317 (2005)
Qteish, A.; Al-Sharif, A. I.; Fuchs, M.; Scheffler, M.; Boeck, S.; Neugebauer, J.: Exact-exchange calculations of the electronic structure of AlN, GaN and InN. Computer Physics Communications 169, p. 28 (2005)
Aydin, U.; Boeck, S.; Hickel, T.; Neugebauer, J.: Hydrogen solution enthalpies derived from first principles: Chemical trends along the series of transition metals. DPG Frühjahrstagung 2011, Dresden, Germany (2011)
Marquardt, O.; Hickel, T.; Grabowski, B.; Boeck, S.; Neugebauer, J.: Implementation and application of the k.p-formalism to electronic structure and Coulomb matrix elements. Spring meeting of the German Physical Society (DPG), Regensburg, Germany (2007)
Uchdorf, T.: Developing a general purpose database application for multiphysics. Diploma, Fachhochschule Aachen, Standort Jülich, Jülich, Germany (2008)
International research team shows how hydrogen affects Nickel-base superalloys at elevated temperatures. Latest results published in journal Nature Materials.
We have studied a nanocrystalline AlCrCuFeNiZn high-entropy alloy synthesized by ball milling followed by hot compaction at 600°C for 15 min at 650 MPa. X-ray diffraction reveals that the mechanically alloyed powder consists of a solid-solution body-centered cubic (bcc) matrix containing 12 vol.% face-centered cubic (fcc) phase. After hot compaction, it consists of 60 vol.% bcc and 40 vol.% fcc. Composition analysis by atom probe tomography shows that the material is not a homogeneous fcc–bcc solid solution