Invited Seminars at Universities or Research Institutions

• May 1991: Institut für Technische Physik, Universität Erlangen, Germany,  A photoemission intensity calculation scheme for valence electrons based on the multi-slice method
• January 1993: Fritz-Haber-Institut, Berlin, Germany, Identification of Stable and Metastable Adsorption Sites of K Adsorbed on Al(111)
• March 1994: Institut de Physique, Universite de Fribourg, Switzerland, Alkali metal adsorption on metal surfaces
• March 17 1995: IBM Thomas, J. Watson Research Center, York Town Heights, New York, America, New physics in alkali metal adsorption: surface alloy formation of immiscible constituents and condensation into islands
• March 27 1995: Vanderbilt University, Nashville, Tenessee, America, New physics in alkali metal adsorption: surface alloy formation of immiscible constituents and condensation into islands
• June 15 1995: Department of Physics, La Trobe University, Melbourne, Australia, Density functional theory of reactions at surfaces
• July 20 1995: Fritz-Haber-Institut, Berlin, Germany, The CO oxidation reaction over Ru(0001): A theoretical study
• July 31 1995: Physics department, Marburg, Germany, Theory of alkali metal adsorption
• September 1995: Physics department, Nagoya University, Japan, New phenomena alkali metal adsorption: surface alloy formation and condensation into islands
• June 11, 1996: Physics department, Lyngby University, Denmark, The Carbon Monoxide Oxidation Reaction over Ru(0001)
• March 7, 1997: Xerox Palo Alto Research Center, Palo Alto, California, U.S., Theoretical Study of the Catalytic Oxidation of Carbon Monoxide
• November 21, 1997: Xerox Palo Alto Research Center, Palo Alto, California, U.S., Theoretical Investigation of Defects in Bulk III-V Nitrides
• November 26, 1997: Lawrence Berkeley National Laboratory, Berkeley, California, U.S., Theoretical Investigation of Defects in Bulk III-V Nitrides
• February 11, 1998: Physics Department, La Trobe University, Melbourne, Australia, Theoretical Study of Defects in III-V Nitrides
• February 18, 1998: Physics Department, The University of Melbourne, Melbourne, Australia, Theoretical Study of Defects in III-V Nitrides
• February 25, 1998: Physics Department, Monash University, Melbourne, Australia, Theoretical Study of Defects in III-V Nitrides
• November 18, 1998: Department of Physics and Astronomy, Northwestern University, Evanston, Illinois, Challenges in predictive calculations of processes at surfaces: surface thermodynamics and catalytic reactions
• November 19, 1998: Department of Chemistry, University of Chicago,  Illinois, U.S., Challenges in predictive calculations of processes at surfaces: surface thermodynamics and catalytic reactions
• December 7, 1998: Physics Department, Dalhousie University, Halifax, Canada, Challenges in predictive calculations of processes at surfaces: surface thermodynamics and catalytic reactions
• December 14, 1998: Physics Department, Humboldt University, Berlin, Germany, Ab Initio Calculations of Reactions at Surfaces
• October 25, 2001: Institute for Theoretical Physics, The Technical University, Berlin, Germany Adsorption at, desorption from, and chemical activity of metal surfaces
• May 29, 2002: Department of Chemistry and Pharmacy, Ludwig-Maximilians University of Munich, Catalysis and Corrosion: Oxidation and Reactions at Metal Surfaces
• February 12, 2003: Department of Chemistry, Technical University of Munich, First-Principles Investigations of  Early-transition Metal Nitride Systems: Atomic and Electronic Structure of Surfaces, Defects, and Interfaces
• October, 2003: School of Physics, The University of Sydney, Sydney, Australia, Surface Science from First-principles: Recent Studies
• March, 2004: Center for Computational Molecular Science, The University of Queensland, Brisbane, Australia. Surface Science from First-principles: Present Status and Future Directions.
• June, 2004: Department of Chemical Engineering, The University of Sydney, Sydney, Australia. Understanding surface processes through ab initio thermodynamics and statistical mechanics.
• November, 2004: Department of Chemistry, The University of New South Wales, Sydney, Australia. Understanding surface processes and phase transitions through ab initio thermodynamics and statistical mechanics.
• 16 June, 2005, Australian Institute of Physics Victroia, Melbourne University, Australia Addressing Surface and Materials Science Problems through Ab initio Thermodynamics and Statistical Mechanics