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Welcome to

 
Head: Prof. Dr. Adrijan Levstik
 
Laboratories: 
  • Dielectric Spectroscopy
  • Heat Capacity

 
Research
Activities: 
  • Condensed matter physics, experimental.
  • Dielectric spectroscopy and heat capacity measurements of solid state and soft matter.
  • Phase transitions.
  • Physics of disordered and partially ordered systems, spin glasses, deuteron glasses, relaxors, polymers, and liquid crystals.
  • Characterization of dielectric and ferroelectric properties of thin and thick ferroelectric films and ceramic materials.
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Group Members: 

Selected Recent Publications:
  • Adrijan Levstik, Zdravko Kutnjak, Cene Filipič, Raša Pirc, Glassy freezing in relaxor ferroelectric lead magnesium niobate, Phys. Rev. B 57, 11204 (1998).
  • Robert Blinc, Janez Dolinšek, Alan Gregorovič, Boštjan Zalar, Cene Filipič, Zdravko Kutnjak, Adrijan Levstik, Raša Pirc, Local polarization distribution and Edwards-Anderson order parameter of relaxor ferroelectrics, Phys. Rev. Lett. 83, 424 (1999).
  • Vid Bobnar, Zdravko Kutnjak, Raša Pirc, Adrijan Levstik, Electric-field-temperature phase diagram of the relaxor ferroelectric lanthanum-modified lead zirconate titanate, Phys. Rev. B 60, 6420 (1999).
  • Vid Bobnar, Zdravko Kutnjak, Raša Pirc, Robert Blinc, Adrijan Levstik, Crossover from glassy to inhomogeneous-ferroelectric nonlinear dielectric response in relaxor ferroelectrics, Phys. Rev. Lett. 84, 5892 (2000).
  • Zdravko Kutnjak, Vid Bobnar, Cene Filipič, Adrijan Levstik, Nonlinear contributions to the quasistatic and the first-harmonic dielectric response in relaxor systems, Europhys. Lett. 53, 673 (2001).
  • Giorgio Careri, Giuseppe Consolini, Zdravko Kutnjak, Cene Filipič, Adrijan Levstik, 1/f noise and dynamical heterogeneity in glasses, Phys. Rev. E 64, 052901-1 (2001).
  • Zdravko Kutnjak, Raša Pirc, Robert Blinc, Field-cooled static nonlinear response of relaxor ferroelectrics, Appl. Phys. Lett. 80, 3162 (2002).
  • Adrijan Levstik, Cene Filipič, Vid Bobnar, Raša Pirc, Bipolaron dynamics in pure and doped SrTiO3 and KTaO3 perovskite systems, Appl. Phys. Lett. 81, 4046 (2002).
  • Vid Bobnar, Peter Lunkenheimer, Michail Paraskevopoulos, Alois Loidl, Separation of grain boundary effects and intrinsic properties in perovskite-like Gd0.6Y0.4BaCo2O5.5 using high-frequency dielectric spectroscopy, Phys. Rev. B 65, 184403 (2002).
  • Peter Lunkenheimer, Vid Bobnar, Artem Pronin, Alexander Ritus, Alexander Volkov, Alois Loidl, Origin of apparent colossal dielectric constants, Phys. Rev. B 66, 052105 (2002).

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