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Investigations of Nanosystems and Novel Materials
by Neutron Scattering Methods

Realization of the scientific program:

• Determination of the crystal and magnetic structure of functional and nanostructured materials demonstrating interesting physical phenomena and promising 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 parameters of crystal and magnetic structure of relaxor and frustrated multiferroics.
  
  
• Determination of magnetic properties of layered nanostructures in stationary and oscillating magnetic fields.
  
  
• Determination of structural characteristics 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 promising 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 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 the action of high pressures and temperatures, especially during polymorphic phase transformations, for the development of earthquake mechanism concept.
  
  
• Development of the model of solid polycrystalline materials for the prediction of elastic, strength and thermal properties, taking into account the effects of texture, inclusions, pores and microcracks. Quantitative description of crystallographic texture.
  
  
• 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.
  
  Realization of the instrument development program for the IBR-2M spectrometers:
  
• Creation of the elements of the detector system, cryostat, set of high pressure cells of the DN-6 diffractometer.
  
  
• Creation of the polarizing system and sample units of the multifunctional reflectometer GRAINS.
  
  
• 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 diffractometer for real-time measurements.
  
  
• Development and testing of neutron scattering techniques for studies of materials and nanosystems including radiography, spin-echo, standing waves, neutron magnetic resonance.
  
  

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