DEPARTMENT OF PLASMA PHYSICS

EARLIER EXPERIMENTS

Researche

1. The research of gas-discharge non-neutral electron plasma.


• Dependence of electron sheath characteristics on anode alignment.
• Influence of the asymmetry of electric and magnetic fields on electron sheath structure.
• Neoclassical transport of electrons across the magnetic field in case of anode disalignment.
• Collapse of electron sheath in quasi-neutral discharge regime.


2. The development of experimental methods for investigation of non-neutral plasma non-uniformities.


• The method of two electrostatic probe for measuring the non-uniformity trajectories and charges.
• The method of determination of lateral dimensions of non-uniformity.
• The diamagnetic and hole methods.


3. The research of solitary vortex structures in non-neutral electron plasma.


• Origination and formation of solitary vortex structures.
• The dynamics of vortex structures in the discharge device of different geometry.
• Orbital instability of vortex structure.
• Neoclassical and turbulent transport of electrons across the magnetic field.


4. The research of the mechanism of creation of electrons of "anomalous energy".


• Creation of electrons of "anomalous energy" during the formation, approach and orbital instability of vortex structures.
• Continuous flow of "anomalous electrons" from the vortex structures


5. Theoretical investigation of non-neutral electron plasma.


• Nonlinear evolution of non-neutral electron plasma.
• Diacotron instability of gas-discharge non-neutral electron plasma.
• Quasi-stationary model of non-neutral electron plasma with vortex structures.
• The mechanism of stability of long-term self-organizing solitary vortex structure.


6. Research of applications


• Development of low-pressure high-voltage magnetron sprayed coating systems.