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The
Center for Solid State Physics and New Materials (CSSPNM) is a part of the
Institute of Physics
at the
University of Belgrade. Our research interest is mainly concerned with the study
of optical, transport and magnetic properties of a wide group of materials (from
semiconductors and high-temperature superconductors to insulators and magnetic
materials). The principal interests of the Center are the vibrational properties
of these materials. The present experimental methods include the Brillouin and
Raman scattering, photoluminescence, ellipsometry, optical reflectivity and
transmission measurements (from far-infrared to UV spectral range), AFM and STM
measurements, as well as other optical measurements in a wide spectral range
under high pressure and low temperatures. In addition, magnetic and transport
properties are investigated using the 14 Tesla cryogenic free magnetic system
and the Hall-effect set-up, respectively. There is also a substantial
theoretical effort in computing the phonon and magnon dispersions of the
materials under investigation.
The CSSPNM also uses different techniques for the synthesis of samples including sintering methods, sol-gel technology, single crystal growth techniques (Bridgman, Czochralski, floating zone, etc.), thin-film technology (thermal evaporation and spattering) including photolithography and impurity doping.
The topics in the focus of recent activities are the theoretical and experimental studies and numerical simulations of various properties of nanostructured systems like high-k wide band gap semiconductors and insulators (such as CeO2, TiO2, ZnO), nanosized ferroics as BiFeO3 doped with different rare earth elements such as Nd, Gd, Sm and Y. The vibrational, magnetic and electronic properties of strongly correlated electron systems (vanadates, titanates, manganates), the light scattering by spin waves in oxides, impurity effects in semiconductors and high Tc superconductors, to mention just a few of them, are subject of our permanent interest. Properties of photonic and meta-materials are also some of the main investigation directions in our research.
Head of the Center
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