Theoretical Group:
Liquid Surfaces and Thin Films

Head of the group
Prof. DSc Boryan Radoev
radoev@chem.uni-sofia.bg

Group members
Assist. Prof. Dr. Michail Avramov
mavramov@chem.uni-sofia.bg

Assist. Prof. Dr. Toshko Boev
boev@fmi.uni-sofia.bg

Assist. Prof. Dr. Kamen Dimitrov
kdimitrov@chem.uni-sofia.bg

Radomir Slavchev PhD student
kokalche@abv.bg

Hristina Milanova PhD student
hrmilanova@yahoo.com

Research interests

Electrostatics and electrochemistry of heterogeneous (bulk, surfaces, contact lines) systems. Phase transition and nucleation of 2D-(Langmuir monolayers) systems.
Thermodynamics of thin liquid (foam and wetting) films: equilibrium and stability.
Multi media technology in distance education.

Arbeitsgruppe Kolloide&Grenzflachдchen, TU Bergakademie
Freiberg, Germany
Max-Planck-Institut fьr Kolloid- und Grenzflachдchenforschung
Golm, Germany
Illinois Institute of Technology, Chem. Engineering Deparrtment
Chicago, Illinois, USA
Syncrude Canada Ltd. Edmonton Research Centre
Edmonton, Alberta, Canada
North Carolina State University, College of Engineering
Raleigh, NC, USA

Selected papers

K. Starchev, M. Avramov, B.Radoev
"Brownian Motion at Liquid-Gas Interface. 4. Experiments with Glass Microspheres in Presence of Surfactants"
Langmuir,11 (1995) 1731.

R. Tsekov, B. Radoev
"Surface forces and dynamic effects in thin liquid films
on solid inerfaces"
Int. J. Miner. Process. 56 (1999) 61.

R. Tsekov, H.J.Schulze, B.Radoev, E.Manev
"Linear surface waves on a liquid-vapor interface:
role of the surface permanent dipole moment"
Colloids and Surfaces A149 (1999) 475.

K.W.Stockelhuber, B.Radoev, H.J.Schulze
"Some new observations on line tension of microscopic droplets"
Colloids and Surfaces A156 (1999) 323.

J.Mahnke, H.J.Schulze, K.W.Stockelhuber, B.Radoev
"Rupture of thin wetting films on hydrophobic surfaces.
Part I: methylated glass surfaces
Colloids and Surfaces A157 (1999) 1

J.Mahnke, H.J.Schulze, K.W.Stockelhuber, B.Radoev
"Rupture of thin wetting films on hydrophobic surfaces.
Part II fatty acid Langmuir-Blodgett layers on glass surfaces"
Colloids and Surfaces A157 (1999) 11

B.Radoev, M.Avrmov
"Effect of the surface polarization at liquid/gas interfaces"
Colloids and Surfaces A175 (2000) 67

K.W.Stockelhuber, B.Radoev, A. Wenger, H.J.Schulze
"Rupture of Wetting Films Caused by Nano-bubbles"
Langmuir,20 (2004) 164.

B..Radoev, T. Boev, M. Avramov
"Transmission Problems in Heterogeneous Systems:
Constitutive Equations and Mathematical Models"
Ann. Univ,Sofia 96 (2004) 277.