All Stories

  1. Oxygen diffusion in LaInO3 films grown by molecular beam epitaxy

    Article • Applied Physics Letters, May 2025, American Institute of Physics

    Roger De Souza

  2. The importance of singly charged oxygen vacancies for electrical conduction in monoclinic HfO2

    Article • Journal of Applied Physics, January 2021, American Institute of Physics

    Roger De Souza, Michael Müller

  3. Cation diffusion in polycrystalline thin films of monoclinic HfO2 deposited by atomic layer deposition

    Article • APL Materials, August 2020, American Institute of Physics

    Roger De Souza, Michael Müller

  4. Complex behaviour of vacancy point-defects in SrRuO3 thin films

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Roger De Souza

  5. Oxygen diffusion in single crystal barium titanate

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Roger De Souza

  6. Do dislocations act as atomic autobahns for oxygen in the perovskite oxide SrTiO3?

    Article • Nanoscale, August 2014, Royal Society of Chemistry

    Roger De Souza

  7. Complex diffusion behavior of oxygen in nanocrystalline BaTiO3 ceramics

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Roger De Souza

  8. Ionic conduction in the SrTiO3|YSZ|SrTiO3 heterostructure

    Article • Physical Chemistry Chemical Physics, January 2013, Royal Society of Chemistry

    Roger De Souza

  9. Diffusion of La and Mn in Ba0.5Sr0.5Co0.8Fe0.2O3−δpolycrystalline ceramics

    Article • Energy & Environmental Science, January 2012, Royal Society of Chemistry

    Roger De Souza

  10. Modifying the barriers for oxygen-vacancy migration in fluorite-structured CeO2electrolytes through strain: a computer simulation study

    Article • Energy & Environmental Science, January 2012, Royal Society of Chemistry

    Roger De Souza

  11. Electrochemical activation of molecular nitrogen at the Ir/YSZ interface

    Article • Physical Chemistry Chemical Physics, January 2011, Royal Society of Chemistry

    Roger De Souza, Dr Ilia Valov

  12. A kinetic study of the decomposition of the cubic perovskite-type oxide BaxSr1−xCo0.8Fe0.2O3−δ (BSCF) (x = 0.1 and 0.5)

    Article • Physical Chemistry Chemical Physics, January 2010, Royal Society of Chemistry

    Roger De Souza

  13. The formation of equilibrium space-charge zones at grain boundaries in the perovskite oxide SrTiO3

    Article • Physical Chemistry Chemical Physics, January 2009, Royal Society of Chemistry

    Roger De Souza