Publications PD Dr. Roger A. De Souza

Showing 101 - 107 of 107 Results

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  • De Souza, Roger A.; Chater, R. J.
    Oxygen exchange and diffusion measurements : the importance of extracting the correct initial and boundary conditions
    Solid state ionics, 176, 1915-1920 (2005)
    [DOI: 10.1016/j.ssi.2005.05.010]
  • Ruiz-Trejo, Enrique; De Souza, Roger A.
    Dopant substitution and oxygen migration in the complex perovskite oxide Ba3CaNb2O9: A computational study
    Journal of solid state chemistry, 178, 1959-1967 (2005)
    [DOI: 10.1016/j.jssc.2005.04.002]
  • Zhang, Zaoli; Sigle, Wilfried; De Souza, Roger A.; Kurtz, Wolfgang; Maier, Joachim; Rühle, Manfred
    Comparative studies of microstructure and impedance of small-angle symmetrical and asymmetrical grain boundaries in SrTiO3
    Acta materialia, 53, 5007-5015 (2005)
    [DOI: 10.1016/j.actamat.2005.07.015]
  • De Souza, Roger A.; Martin, Manfred
    Secondary ion mass spectrometry: A powerful tool for diffusion studies in solids
    Archives of metallurgy and materials, 49, 431-446 (2004)
  • De Souza, Roger A.
    Ionen in Perovskit Oxiden : wie leicht springen sie?
    RWTH-Themen : Berichte aus der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2004, 16-18 (2004)
  • De Souza, Roger A.; Maier, J.
    A computational study of cation defects in LaGaO3
    Physical chemistry, chemical physics : PCCP, 5, 740-748 (2003)
    [DOI: 10.1039/b209062g]
  • Meyer, R.; De Souza, Roger A.
    The different origins of grain-boundary resistance in acceptor-doped and donor-doped SrTiO3
    Interfaces in electronic materials : proceedings of the international symposium ; [Symposium on Interfaces in Electronic Materials, held during the joint annual meetings of the Electrochemical Society and the Electronics Division of the American Ceramic Society, October 12 - 16, 2003 in Orlando, Florida] / sponsoring divisions: Electronics and Photonics, Dielectric Science and Technology, High Temperature Materials. Ed.: L. Cook ..., 220-234 (2003)