Next theme	Prev. theme
to field of reseach	to contents

Investigations of Nanosystems and Novel Materials by Neutron Scattering Methods

Realization of the scientific program:

• Determination of crystal and magnetic structure of functional and nanostructured materials demonstrating interesting physical phenomena and prospective for technological applications in a wide range of thermodynamic parameters, clarification of the role of structural parameters and clusterization in the formation of physical properties.
  
  
• Determination of the microscopic mechanisms of the appearance of magnetoelectric effect in complex oxides – multiferroics.
  
  
• Analysis of magnetic properties and revealing of proximity effects of layered magnetic nanostructures in stationary and oscillating magnetic fields.
  
  
• Determination of structural aspects of stabilization of biocompatible magnetic fluids.
  
  
• Structural characterization and analysis of clusterization regimes in liquid dispersions of nanodiamonds and fullerenes.
  
  
• Determination of structural characteristics of carbosilane dendrimers prospective for technological applications.
  
  
• Experimental and theoretical analysis of crystal structure and vibrational spectra of molecular complexes, including ion-inclusive materials, complexes with electric charge transfer, structural and dynamical parame-ters of hydrogen bonds in biologically active materials.
  
  
• Determination of structural and functional characteristics of biological nanosystems: proteins, DNA, RNA macromolecules and their complexes.
  
  
• Determination of nanostructure and diffusion properties of model lipid nanosystems for understanding of drug delivery mechanisms through the upper layer of the skin.
  
  
• Determination of structural and dynamical characteristics of reactor materials, including fuel compositions at high temperatures up to 2000 K.
  
  
• Determination of structural instability conditions of rock materials under action of high pressures and temperatures, especially during polymorphic phase transformations, for the development of earthquake mechanisms concept.
  
  
• Development of the model of solid polycrystalline materials for the prediction of elastic, strength and thermal properties, taking into account effects of texture, inclusions, pores and microcracks.
  
  
• Determination of residual stresses in construction materials of nuclear reactors, industrial materials and factory-made goods, composites, reinforced systems, metalloceramics, shape-memory alloys.
  
  
• Determination of local structure parameters of complex metallic clusters in oxide matrices. Analysis of precipitation of organic materials on metallic clusters.
  
  Realization of the instrument development program for the IBR-2M spectrometers:
  
• Creation of the final configuration of the diffractometer DN-6, including elements of detector system, mechanical units, cryostat, set of high pressure cells.
  
  
• Creation of the final configuration of the reflectometer GRAINS, including polarizing system, mechanical and sample units.
  
  
• Modernization of the instruments SKAT/Epsilon, YuMO, HRFD, FSD, Reflex, NERA-PR, DIN-2PI, aimed at improving technical parameters – increase of neutron counting rate, reduction of background, improvement of experimental conditions.
  
  
• Modernization of the REMUR reflectometer – development of 2D polarization analysis, Small-angle scattering mode, reduction of background.
  
  
• Reconstruction of the high intensity diffractometer DN-2 into a diffractemeter for real-time measurements.
  
  
• Development and testing of neutron scattering techniques for studies of materials and nanosystems, including spin-echo, standing waves, neutron magnetic resonance, radiography.
  
  

Next theme	Prev. theme
to field of reseach	to contents