Balkashin O. Relaxation processes kinetics and nonstationary phenomena in microcontacts

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0504U000172

Thesis Registration Form

0504U000172.pdf

Applicant for

Specialization

  • 01.04.07 - Фізика твердого тіла

09-03-2004

Specialized Academic Board

Д64.175.03

Essay

The object is the non-stationary kinetics phenomena in the electric conductivity of microcontacts. The aim was to reveal the regularities of relaxation processes kinetics in microcontacts for quasiparticle excitations in a wide energy range. The method is the point-contact spectroscopy in a band from audio to optical frequencies at low temperatures. The new approach lies in a new kind of spectroscopy - high-frequency point-contact spectroscopy. The specific peculiarities of thermal relaxation, relaxation kinetics of the high-energy phonons in metals, two-level systems in amorphous alloys, crystal-field levels in paramagnetic compounds have been estimated and generalized. The characteristic relaxation frequencies of these processes were found. The field of application lies in fundamental science, microelectronics and laser metrology.

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