• Invited Professor:
    Laboratoire CETHIL
    CNRS, INSA of Lyon, Un. Claude-Bernard Lyon 1, Lyon, France.
    14 February -14 March 2020
  • Invited Speaker:
    Advances in Cluster Beam Deposition,
    21-25 October 2019, Okinawa, Japan
    Title of Oral Presentation:
    “Modifying and Adapting Properties of Nanoparticles through Atomic Scale Computational Design”
  • Invited Professor:
    Nanoparticles Βy Design Unit
    Okinawa Institute of Science & Technology Graduate University (OIST)
    Tancha, Onna-son, Okinawa, Japan.
    17 July – 17 August 2018
  • Invited Speaker:
    Cluster-Surface Interactions conference,
    17-22 June 2018, Clarion hotel, Trondheim, Norway
    Title of Oral Presentation:
    “Ab initio and molecular dynamics investigations on nanostructures: atomic scale phenomena on surfaces & interfaces”
  • Invited Professor:
    11-16 June 2018,
    FAME Erasmus Mundus scholarship programme
    LMGP laboratory
    Grenoble INP, PHELMA, Grenoble, France
  • Invited Speaker:
    18-20 April 2018,
    Shaping Europe’s Digital Future
    HPC for Extreme Scale Scientific and Industrial Applications
    Sofia Digital Forum 2018 organized by the European Commission, DG Connect
    Title of Oral Presentation:
    “Tailoring Properties of Nanostructures through Atomic Scale Computational Design”
  • Invited Professor:
    12-15 November 2017,
    Semiconductor Physics Laboratory
    Department of Physics and Astronomy
    University of Leuven
    Celestijnenlaan 200D, B-3001 Leuven, Belgium
    Title of Oral Presentation:
    “Ab initio and molecular dynamics investigations on nanostructures: atomic scale phenomena on surfaces & interfaces“
  • Invited Professor:
    26-28 October 2016,
    Semiconductor Physics Laboratory
    Department of Physics and Astronomy
    University of Leuven
    Celestijnenlaan 200D, B-3001 Leuven, Belgium
  • Invited Professor:
    Laboratoire LEMTA – Université de Lorraine,
    Nancy, France
    1-30 July 2016
  • Invited Speaker:
    Nanocluster Synthesis, Characterization and Applications Workshop,
    16-19 May 2016,
    Okinawa, Japan.
    Title of Oral Presentation:
    “Computational investigations of nanostructures: from strain fields to atomic scale phenomena”
  • Invited Professor:
    25 May – 5 June 2015
    Grenoble INP, PHELMA, Grenoble France
    Title of Oral Presentation:
    “Nanostructures, Surfaces, Interfaces and Defects at the atomic scale“
  • Invited Professor:
    1-8 Febrouary 2015
    Université de Lorraine department of Physics,
    Nancy France
    Title of Oral Presentation:
    “Extended defects and nanostructures of III-nitrides at the atomic scale: First principles and interatomic potential investigations“
  • Invited Professor:
    Nanoparticles Βy Design Unit
    Okinawa Institute of Science & Technology Graduate University (OIST)
    Tancha, Onna-son, Okinawa, Japan. 17 – 31 September 2013
  • Invited Speaker:
    20-23 November 2012
    Department of Mechanical and Manufacturing Engineering at the
    University of Cyprus
    Title of Oral Presentation:
    “Surfaces, Interfaces and Nanostructures in III-nitride compound semiconductors”
  • Invited Speaker:
    International Mini-Workshop on Practical Aspects of Quantitative Analysis of HRTEM Images organized by the European Community program Centre of Excellence CEPHEUS (2004)
    Institute of Physics – Polish Academy of Sciences Warsaw Poland
    Title of Oral Presentation
    “Integrated methodology for the microstructural and energetical characterization of interfacial defects- large scale energetic”