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Projects / Programmes source: ARIS

Physics of surfaces, modulated structures and nanostructures

Periods
January 1, 1999 - December 31, 2003
Research activity

Code Science Field Subfield
1.02.00  Natural sciences and mathematics  Physics   

Code Science Field
P250  Natural sciences and mathematics  Condensed matter: structure, thermal and mechanical properties, crystallography, phase equilibria 
P260  Natural sciences and mathematics  Condensed matter: electronic structure, electrical, magnetic and optical properties, supraconductors, magnetic resonance, relaxation, spectroscopy 
Evaluation (rules)
source: COBISS
Researchers (10)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  19165  PhD Marjetka Conradi  Physics  Researcher  2001 - 2003  158 
2.  15147  PhD Nina Jug  Physics  Researcher  2001 - 2002  40 
3.  16408  PhD Klemen Kočevar  Physics  Researcher  2001 - 2002  63 
4.  03321  Ivan Kvasić  Physics  Researcher  2001 - 2003  22 
5.  09089  PhD Igor Muševič  Physics  Head  2001 - 2003  750 
6.  01112  PhD Albert Prodan  Physics  Researcher  2001 - 2003  210 
7.  07560  PhD Maja Remškar  Physics  Researcher  2001 - 2003  831 
8.  12338  PhD Miha Škarabot  Physics  Researcher  2001 - 2003  253 
9.  19245  PhD Herman Josef P. Van Midden  Computer science and informatics  Researcher  2001 - 2003  88 
10.  23567  PhD Rok Žitko  Physics  Researcher  2003  251 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  90,706 
Abstract
Within the proposed research program we intend to: (i) investigate the interfaces of complex fluids, like liquid crystals and other organic macromolecules, on solid surfaces. We shall use Atomic Force Microscopy and Force Spectroscopy, Scanning Tunneling Microscopy, linear optical ellipsometry and nonlinear optics to investigate the nature of forces that are responsible for ordering and self-organization of complex fluids. We shall analyze viscoelastic properties and structure of interfaces in the vicinity of phase transitions using force spectroscopy in systems that exhibit a spontaneous breaking of either translational or orientational symmetry. We shall also investigate the role of Casimir interaction in the vicinity of phase transitions in liquid crystals. (ii) The second part of research program comprises investigations of a series of transition-metal di-, tri- and terachalcogenides. These systems are of interest due to their specific crystallographic and physical properties, like e.g. the appearance of spontaneous superstructures and charge density waves. Using scanning tunneling microscopy, transmission electron microscopy, low-energy electron diffraction combined with Auger spectroscopy and metal deposition by means of a Knudsen source, we shall study surface structures, which are in metals often different from the corresponding bulk structures. We shall also study nucleation, growth processes and possibly manipulation at the atomic level, which represent the basis for a controlled fabrication of metallic nanostructures. As part of the program we also intend to modernize and upgrade the existing UHV-STM system. (iii) The third part of the program represents studies of synthesis, structural and physical characterization of inorganic micro and nanotubes with special emphasis on their electrical, mechanical and optical properties. A significant part of research will also be directed into investigations of nanoparticles and metal oxides for their potential application in industry.
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