Generation of surface acoustic-wave harmonics in piezoelectric-semiconductor structures
Generation of surface acoustic-wave harmonics in piezoelectric-semiconductor structures
L.A. Slavutskii, I.Yu. Solodov
The formation mechanism for a shock-wave precursor propagating in a weakly ionized nonisothermal plasma
The formation mechanism for a shock-wave precursor propagating in a weakly ionized nonisothermal plasma
A.V. Danilov, S.F. Teselkin
The classical emission from relativistic charged particles in axial channeling
The classical emission from relativistic charged particles in axial channeling
B.V. Kholomai
Turbulent stresses in a natural-vortex model
Turbulent stresses in a natural-vortex model
I.A. Morozov, A.A. Solov'ev
The relation between discreteness and thermal vibrations in axial channeling
The relation between discreteness and thermal vibrations in axial channeling
A.K. Icheva, A.G. Kadmenskii, V.V. Samarin
Thermal expansion of C15 intermetallides in the $Tb_{1-x}Ho_xAl_2$ quasi-binary system
Thermal expansion of C15 intermetallides in the $Tb_{1-x}Ho_xAl_2$ quasi-binary system
A.S. Ilyushin, A.A. Nikolaev, O.V. Mikhnev
A method of calibrating a wide-band hydrophone in an ultrasonic beam of finite amplitude
A method of calibrating a wide-band hydrophone in an ultrasonic beam of finite amplitude
V.G. Andreev, A.A. Karabutov, О.V. Rudenko
A method and apparatus are described for calibrating wide-band hydrophones in the megahertz range in ultrasonic beams of finite amplitude. The calibration is based on nonlinear waveform distortion in water as standard medium. The measured parameter is the rate of change of pressure with time on the rectilinear part of the profile. A calibration accuracy of 10% is attained in the range 1-5 MHz.
Show AbstractDynamics of transverse cataphoresis of an He-Xe mixture under conditions of pulsed discharge-current modulation
Dynamics of transverse cataphoresis of an He-Xe mixture under conditions of pulsed discharge-current modulation
A.M. Devyatov, V.M. Shibkov, L.V. Shibkova
A study has been made of the dynamics of radial cataphoresis in helium-xenon mixtures. It has been found that the settling time for a stationary radial distribution is substantially less than the time of recovery to a radially homogeneous distribution after the end of the current pulse. It has been found that the effective diffusion length for minority atoms Is reduced, and this substantially influences the settling time in radial cataphoresis. A method is described for determining the time dependence of the radial separation in Penning mixtures.
Show AbstractPhotoexcitation of a direct-band semiconductor with differing effective electron and hole masses
Photoexcitation of a direct-band semiconductor with differing effective electron and hole masses
Т.M. Il'inova, T.A. Kuzemchenko
Photoexcitation is examined for an inherent nondegenerate semiconductor with different masses for the electrons and holes. The study relates to three limiting cases of relaxation within the bands: slow, fast, and intermediate. Expressions are derived for the electron and hole concentrations and average energies. A study is made of the effects of electron-electron relaxation on the photoexcitation.
Show AbstractDetermining recording efficiencies for channel electron multipliers from the pulse-height distribution at the output from an unsaturated channel
Determining recording efficiencies for channel electron multipliers from the pulse-height distribution at the output from an unsaturated channel
E.V. Mav'in, L.S. Novikov
An analytic expression is derived, for the pulse-height distribution at the output from a channel electron multiplier СЕМ working under unsaturated conditions, this being a function of the mean secondary-emission coefficient. A method is given for determining the efficiency of a СЕМ by analyzing the pulse-height distribution at the output. A comparison is made of the recording efficiency for VEU-6 electron detectors recorded in this way with other experimental data.
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