Physical Chemistry of Complex Oxides for Energy and Information Technologies


Complex Oxides for Energy and Information Technologies

Research Areas

  • Anion and cation transport processes in complex oxides
  • Space-charge zones at extended defects in complex oxides
  • Atomistic simulations of point defect processes in oxides and at their extended defects
  • Numerical modelling of charge and mass transport
  • Nanoscale chemical analysis with ToF-SIMS „Time-of-Flight Secondary Ion Mass Spectrometry“

Research Projects

  • SFB 917 - Nanoswitches: Direct investigations of ion transport in oxide systems „HfO2, Ta2O5, SrTiO3
  • Oxygen surface exchange on CeO2, together with Prof. A. Klein, TUD
  • Oxygen transport in mixed conducting Sr(Ti,Fe)O3 perovskites, together with Prof. H. L. Tuller, MIT
  • Bulk and interfacial defect chemistry of CeO2, together with Prof. D. S. Mebane, WVU
  • SPP 1959: Electric field assisted diffusion and sintering of polycrystalline cerid, together with Prof. O. Guillon (IEK-1) and Prof. R. Dunin-Borkowski (ER-C)
  • Defects and diffusion in ferroelectric perovskites

Recent and forthcoming publications

  • „Analysing the grain-boundary resistance of oxide-ion conducting electrolytes: Poisson–Boltzmann versus Poisson–Cahn theories“
    DOI: 10.1111/jace.16716
  • „Optimising oxygen diffusion in non-cubic, non-dilute perovskite oxides based on BiFeO3
    DOI: 10.1039/C9TA08980B
  • „Probing vacancy behavior across complex oxide heterointerfaces“
    DOI: 10.1126/sciadv.aau8467
  • „Iodide-ion conduction in methylammonium lead iodide perovskite: some extraordinary aspects“
    DOI: 10.1039/C8CC09236B
  • „The thermodynamics and kinetics of iodine vacancies in the hybrid perovskite methylammonium lead iodide“
    DOI: 10.1039/C8EE01697F