DEPARTMENT OF CONDENSED MATTER
PHYSICS

Low-temperature physics

Researches

1. Supersensitive (10^-17 W) contactless mechanical method for studying Pinning and dissipation processes in high-temperature superconductors.


2. Contactless mechanical method for studying the dynamics of high-temperature superconductor vortex matter stimulated by variable and pulsed magnetic fields.


3. The method of acoustic spectroscopy.

1. Measurement of Pinning force and the study of critical characteristics of II-kind superconductors of irradiated by fast neutrons at T=4.2K in initial superconducting state, and of the influence of radiation on these characteristics.


2. Study of the dynamics of Abrikosov vortex lattice by contactless mechanical method in high-temperature superconductors of Y(123), Er(123) and Ho(123) systems and strongly anisotropic high-temperature superconductors of Bi-Pb-Sr-Ca-Cu-O system.


3. Study of dissipation and relaxation phenomena of vortex matter in high-temperature superconductors of Ho (123) and Bi-Pb-Sr-Ca-Cu-O systems, determination of the time of formation and decomposition of Abrikosov vortex lattice, study of 3D-2D phase transition in vortex system of strongly anisotropic high-temperature superconductors of
   Bi-Pb-Sr-Ca-Cu-O system.


4. Study of low-frequency oscillations in vortex matter of strongly anisotropic high-temperature superconductors.


5. Study of the physical pattern at the melting of Abrikosov vortex lattice in high-temperature superconductors.


6. The use of mechanical methods for studying fullerene superconductors and investigation of critical characteristics of fullerene superconductors and of dynamics of Abrikosov vortex lattice by these methods.


7. Study of magnetic phases in normal state (T > T_c) in fullerene high-temperature superconductors of Rb₃C₆₀ and
   Bi-Pb-Sr-Ca-Cu-O systems.


8. Development of the technology of synthesis of high-temperature oxide superconductors by using solar energy and superfast quenching cooling of melt search for new superconducting phases in synthesized high-temperature superconductor samples and the study of their critical characteristics.


9. Study of the elastic and viscous properties of traditional superconductors (alloys) of II-kind in normal and mixed states by using acoustic spectrometer operating at low temperature.


10. Study of mechanical and superconducting properties of high-temperature oxide iron- contained superconductors.


11. Development of the technology of synthesis of carbon nanotubes, observation of possible persistent currents in nanotubes synthesized by this technology.


12. Study of magnetic and current-conducting ability of persistent currents.