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Research
Research groups
UCT PragueFCTDepartment of Glass and Ceramics About department Members of the Department prof. RNDr. Ondrej Gedeon, Ph.D. DSc.

prof. RNDr. Ondrej Gedeon, Ph.D. DSc.

 

Contact

Email: Ondrej.Gedeon@vscht.cz
Phone: +420220443695
Office: AS102K

Publication activity

ORCID, WoS, Scopus

Research interest

  • Electron microscopy and X-ray analysis
  • Interaction of ionizing radiation with materials, material characterization
  • Computer modeling, Monte Carlo, molecular dynamics
  • Silicate glasses, glass structure, medium-range order in glass, use of Voronoi polyhedra to describe glass structure, cycles and their associated entropy
  • Glass surfaces, glass surface modification
 

Teaching activities 

  • Spectroscopic and Microscopic Characterization of Materials (AM107017)
  • Spectroscopic Methods for Study of Solids (D107004)
  • Structure of Glass (D107008)

Research interests

  • electron microscopy and X-Ray microanalysis, interaction of ionising radiation with solid, characterisation of materials
  • computer simulations, Monte Carlo, Molecular dynamics
  • silicate glass, glass structure, medium-range order in glass, Voronoy polyhedra for glass structure, rings and ring-associated configuration entropy
  • glass surface: structure, interaction, modification

Memberships

  • International Journal of Applied Glass Science, Associate editor
  • Czech Glass Society
  • Int. Commission on Glass, TC3
  • Society of glass Technology
  • European Microbeam Analytic Society
  • Spectroscopic Society of Jan Marcus Marci
  • Committee for scholar activities at Ministry of Transport

Publications

WoS, Scopus

96 papers (WoS), the last five years:

  1. J. Machacek, O. Gedeon, M. Liska, Comparison of silica and sodium trisilicate glass surfaces created by moulding and breaking – MD simulation, Ceramics – Silikaty, 66(1) (2022) 43-53.
  2. J. Olejnicek, A. Hrubantova, L. Volfova, M. Dvorakova, M. Kohout, D. Tvarog, O. Gedeon, H. Wulff, R. Hippler, Z. Hubicka, WO3 and WO3-x thin films prepared by DC hollow cathode discharge, Vacuum 195 (2022) 110679.
  3. O. Gedeon, Configurational Entropy Relaxation of Silica Glass - Molecular Dynamics Simulations, Entropy 23(7) (2021) 885.
  4. O. Gedeon, K. Jurek, Potassium-silicate glass foil irradiated with electrons - Asymmetry in migration and space distribution given by the elastic scattering of electrons on potassium atoms, Nuclear Instr. and Methods in Physics Research B 502 (2021) 150-156.
  5. J. Pinc, M. Dendisova, K. Kolarova, O. Gedeon, M. Svecova, D. Hradil, J. Hradilova, V. Bartunek, Preparation of surfaces of composite samples for tip based micro-analyses using ion beam milling, Micron 116 (2019) 1-4.