Technical Physics
Papers 9,117
1 page of 912 pages (9,117 results)
#1T. E. Kuleshova (Ioffe Institute)
#2N. R. Gall (Ioffe Institute)H-Index: 2
Last. G.G. Panova (Agrophysical Research Institute)H-Index: 4
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#1A. A. LomovH-Index: 8
#2B. M. SeredinH-Index: 1
Last. I. L. Shul’pinaH-Index: 1
view all 5 authors...
Vertical through Si(Ga) p channels are created at 1450 K in c-Si(111) plates by thermomigration of local gallium zones. To this end, a technique is proposed and implemented for the formation of local zones consisting in the filling of linear grooves with a of width 60−100 μm and depth of 30−50 μm etched in the silicon plate with a fine-grained Ga powder. It is shown that a high yield of acceptable zones occurs with powder grains with a size of 5 μm and at ∼284 K. The obtained thermomigration Si(...
#1A. A. Bayramov (ANAS: Azerbaijan National Academy of Sciences)
#1N. M. EgorovH-Index: 1
Last. Marina V. Sysoeva (Saratov State Technical University)H-Index: 8
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A radio-technical scheme of a hierarchical thalamocortical brain network with an external input is developed. Various regimes of induced and self-oscillations (including hard-excitation regime) are revealed in the study of the proposed model. Parameters at which the scheme exhibits activity similar to spike-wave discharges of absence epilepsy are determined, which proves the hypothesis in accordance with which the spike-wave discharge represents a long-term transient process in the vicinity of b...
#1A. N. DolgovH-Index: 4
#2N. A. KlyachinH-Index: 4
Last. D. E. Prokhorovich (National Research Nuclear University MEPhI)H-Index: 2
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Flows of ions with energies on the order of megaelectronvolts, which propagate both in the axial direction and in the direction perpendicular to the symmetry axis of the discharge, are recorded in a high-current low inductance vacuum spark. Estimates based on the measurements of the total charge of suprathermal electrons emitted from the region of the waist of the current channel in the axial direction, as well as the total number of ions of the indicated energies show that the recorded ion ener...
#2Yu. V. PetrovH-Index: 22
Last. N. A. KazarinovH-Index: 8
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Dynamic brittle fracture under high-rate loading conditions is analyzed. A new numerical algorithm based on peridynamic approach and structural–temporal model of fracture is used to predict the start of a crack in glassy polymer samples. The results of calculations are compared with available experimental data.
#1S. I. Rasmagin (RAS: Russian Academy of Sciences)H-Index: 3
#2V. I. Krasovskii (RAS: Russian Academy of Sciences)H-Index: 8
The properties of a complex formed by lutetium diphthalocyanine and silicon carbide nanoparticles are studied by optical methods. The phase composition of samples and the shape and size of silicon carbide nanoparticles are determined from electron microscopy data and X-ray diffraction analysis. Absorption spectra of a solution containing silicon carbide nanoparticles with lutetium diphthalocyanine suggest that a significant interaction occurs between the two. A drastic increase in the absorbance...
We consider physical foundations for the realization of high-modulus and high-strength polymer/carbon nanotube nanocomposites with mechanical characteristics comparable with those for steel. We have determined two main factors that make it possible to obtain such nanocomposites, i.e., the structure of the nanofiller in the polymer matrix and a quite high concentration of the nanofiller. The fractal dimension of such a structure must be close to that of the surrounding Euclidian space (i.e., 3). ...
#2E. O. Vekshina (Saint Petersburg State Polytechnic University)H-Index: 6
#3V. K. GusevH-Index: 16
Last. N. V. Sakharov (Ioffe Institute)H-Index: 9
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