Gregor Skačej

Department of Physics
University of Ljubljana
Jadranska 19
SI-1000 Ljubljana
Slovenia

email: gregor.skacej(at)fmf.uni-lj.si
phone: +386 1 4766627
fax: +386 1 2517281


Personal data

  • born March 17, 1973 in Maribor, Slovenia
  • BSc (1996), MSc (1999), and PhD (2002) in physics; University of Ljubljana, Slovenia
  • 1996-present: teaching and research assistant at the Department of Physics, University of Ljubljana (group website)
  • 2003-2005: postdoctoral fellow at the University of Bologna (group website); also with INFN Bologna
  • languages: Slovene, English, German, French, Italian

    Download

  • PhD thesis: Modeling of strongly confined liquid-crystalline systems (March 2002) [compressed PS] [PDF].
  • MSc thesis: Sidranje na površini nematskega tekočega kristala: model s heksagonalno mrežo (September 1999) [manuscript in Slovene (PS)] [PDF].


    Teaching

    This semester:
  • Statistical Thermodynamics (exercises)
  • Statistical Physics (exercises)
  • Physics (for mathematics students) (exercises)
    Past courses:
  • Thermodynamics (exercises)
  • Physics Laboratory I
  • Physics Laboratory II

    Textbooks

  • Solved Problems in Thermodynamics
  • Solved Problems in Statistical Physics (both in Slovene, in collaboration with P. Ziherl)


    Research interests

  • liquid-crystalline elastomers: thermo- and electromechanical response, quenched disorder
  • strongly confined liquid crystals: surface anchoring, external field-induced alignment, topological defects
  • molecular modeling: lattice systems, Gay-Berne systems, Monte Carlo simulations, prediction of deuterium-NMR spectra

    Publications

    1. M. A. Bates, G. Skačej, and C. Zannoni,
      Defects and ordering in nematic coatings on uniaxial and biaxial colloids,
      Soft Matter 6, 655 (2010) [abstract].
    2. X. Ma, G. P. Crawford, R. J. Crawford, I. Amimori, S. Žumer, G. Skačej, and S. G. Cloutier,
      Nuclear magnetic resonance of pretransitional ordering of liquid crystals in well defined nano-geometries: the utility of the Landau-de Gennes formalism,
      Liquid Crystals 36, 1229 (2009) [abstract].
    3. G. Skačej and C. Zannoni,
      Controlling surface defect valence in colloids,
      Phys. Rev. Lett. 100, 197802 (2008) [PDF].
    4. G. Skačej and C. Zannoni,
      Biaxial liquid crystal elastomers: a lattice model,
      Eur. Phys. J. E 25, 181 (2008) [PDF].
    5. G. Skačej and C. Zannoni,
      External field-induced switching in nematic elastomers: a Monte Carlo study,
      Eur. Phys. J. E 20, 289 (2006) [PDF].
    6. P. Pasini, G. Skačej, and C. Zannoni,
      A microscopic lattice model for liquid crystal elastomers,
      Chem. Phys. Lett. 413, 463 (2005) [PDF].
    7. C. Chiccoli, P. Pasini, G. Skačej, and C. Zannoni,
      The effect of varying surface orientation on the molecular organization of nematic films. A Monte Carlo simulation,
      Mol. Cryst. Liq. Cryst. 429, 255 (2005).
    8. I. Amimori, J. N. Eakin, J. Qi, G. Skačej, S. Žumer, and G. P. Crawford,
      Surface-induced orientational order in stretched nanoscale-sized polymer dispersed liquid crystal droplets,
      Phys. Rev. E 71, 031702 (2005) [PDF].
    9. N. V. Priezjev, G. Skačej, R. A. Pelcovits, and S. Žumer,
      External and intrinsic anchoring in nematic liquid crystals: A Monte Carlo study,
      Phys. Rev. E 68, 041709 (2003) [PDF] [e-print].
    10. C. Chiccoli, P. Pasini, G. Skačej, C. Zannoni, and S. Žumer,
      Nematics with dispersed polymer fibrils: a Monte Carlo study of the external field-induced switching,
      Phys. Rev. E 67, 010701(R) (2003) [PDF].
    11. C. Chiccoli, P. Pasini, G. Skačej, C. Zannoni, and S. Žumer,
      Polymer network-induced ordering in a nematogenic liquid: a Monte Carlo study,
      Phys. Rev. E 65, 051703 (2002) [PDF].
    12. D. Andrienko, M. P. Allen, G. Skačej, and S. Žumer,
      Defect structures and torque on an elongated colloidal particle immersed in a liquid crystal host,
      Phys. Rev. E. 65, 041702 (2002) [e-print].
    13. C. Chiccoli, P. Pasini, G. Skačej, C. Zannoni, and S. Žumer,
      Inhomogeneous translational diffusion in polymer-dispersed liquid crystals: Monte Carlo simulations of NMR spectra,
      Mol. Cryst. Liq. Cryst. 367, 199 (2001) [compressed PS] [PDF].
    14. C. Chiccoli, P. Pasini, G. Skačej, C. Zannoni, and S. Žumer,
      Dynamical and field effects in polymer dispersed liquid crystals: Monte Carlo simulations of NMR spectra,
      Phys. Rev. E 62, 3766 (2000) [compressed PS] [PDF].
    15. C. Chiccoli, P. Pasini, G. Skačej, C. Zannoni, and S. Žumer,
      NMR spectra from Monte Carlo simulations of polymer dispersed liquid crystals,
      Phys. Rev. E 60, 4219 (1999) [compressed PS] [PDF].
    16. G. Barbero, G. Skačej, A. L. Alexe-Ionescu, and S. Žumer,
      Nematic ordering in a cell with modulated surface anchoring: effects of flexoelectricity,
      Phys. Rev. E 60, 628 (1999) [compressed PS] [PDF].
    17. G. Barbero, C. Ferrero, T. Guenzel, G. Skačej, and S. Žumer,
      Surface induced nematic ordering and the localization of a twisted distortion in a nematic cell,
      Phys. Rev. E 58, 8024 (1998). [compressed PS] [PDF].
    18. G. Skačej, A. L. Alexe-Ionescu, G. Barbero, and S. Žumer,
      Surface induced nematic order variation: intrinsic anchoring and subsurface director deformations,
      Phys. Rev. E 57, 1780 (1998). [compressed PS] [PDF].
    19. S. Žumer, A. Borštnik, G. Skačej, P. Ziherl, and G. P. Crawford,
      Microconfined liquid crystals: surface induced deformations, ordering and fluctuations,
      Mol. Cryst. Liq. Cryst. 304, 477 (1997).
    20. G. Skačej, V. M. Pergamenshchik, A. L. Alexe-Ionescu, G. Barbero, and S. Žumer,
      Subsurface deformations in nematics: the hexagonal lattice approach,
      Phys. Rev. E 56, 571 (1997). [compressed PS] [PDF].
    21. C. Chiccoli, P. Pasini, G. Skačej, S. Žumer, and C. Zannoni,
      NMR line spectra from lattice spin models of polymer-dispersed liquid crystals,
      in Computer simulations of liquid crystals and polymers, edited by P. Pasini, S. Žumer, and C. Zannoni, Kluwer, Dordrecht (2005).
    22. C. Chiccoli, P. Pasini, G. Skačej, S. Žumer, and C. Zannoni,
      Nematics with dispersed polymer networks: lattice spin models,
      in Computer simulations of liquid crystals and polymers, edited by P. Pasini, S. Žumer, and C. Zannoni, Kluwer, Dordrecht (2005).


    Last update: Feb 10, 2010

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