Features of radiation gas discharge with liquid electrolyte cathode by using aqueous solutions of sodium chloride

Experimentally investigated the spectral characteristics of the gas discharge between the liquid electrolyte cathode (aqueous solution of sodium chloride) and a metal anode at high currents (up to 20 A). Found splitting yellow doublet of sodium and the factors affecting the splitting. © Published under licence by IOP Publishing Ltd

The influence of the method of cooling liquid electrolyte cathode on the energy balance in the gas discharge

Experimentally investigated the energy balance in a gas discharge between a flowing electrolyte cathode and a metal anode at an power of tens of kilowatts. The discharge was burning in the air in the electrode gap with a height of 10 cm. The electrolyte was a solution of salt in distilled water. The concentration of the solution by weight was 5.5 g/l. The regularities of the influence of electrolyte mass flow through the flowing cathode on the energy characteristics of the discharge were studied. The modes of the discharge, whereby the energy balance of the portion of heat losses for heating of the electrolyte reaches a minimum were identified

Study of a DC electric discharge with a cathode loaded in the water flow

© 2018 Institute of Physics Publishing. All rights reserved. A gas discharge in the air between two solid-state electrodes, one of which is in a stream of water and serves as a cathode, has been studied. Two variants are considered. In the first version, the working end of the cathode protruded from the water, and in the second version it was completely immersed in water. Electric and spectral characteristics of discharges obtained under the same conditions of electric power are presented. As the cathode, aluminum, copper, titanium and graphite rods were used. The discharge current was in the range of 13-15 A

A study of a gas discharge with a liquid electrolyte cathode near its critical thermal modes

A gas discharge between the liquid electrolyte cathode and a metal anode at currents experimentally has been studied at the atmospheric pressure in the range of 1-10 A. Consideration was given to the thermal conditions of the cathode, wherein the electrolyte temperature is close to the boiling point. It is shown that such critical modes of heat losses at the cathode are almost completely formed at the expense of Joule heat inside the electrolyte. The conditions to minimize heat losses to the liquid electrolyte cathode were analyzed

Pressure control of magnetic clusters in strongly inhomogeneous ferromagnetic chalcopyrites

Room-temperature ferromagnetism in Mn-doped chalcopyrites is a desire aspect when applying those materials to spin electronics. However, dominance of high Curie-temperatures due to cluster formation or inhomogeneities limited their consideration. Here we report how an external perturbation such as applied hydrostatic pressure in CdGeP2:Mn induces a two serial magnetic transitions from ferromagnet to non-magnet state at room temperature. This effect is related to the unconventional properties of created MnP magnetic clusters within the host material. Such behavior is also discussed in connection with ab initio density functional calculations, where the structural properties of MnP indicate magnetic transitions as function of pressure as observed experimentally. Our results point out new ways to obtain controlled response of embedded magnetic clusters

EVALUATION OF THE ACCURACY AND COMPUTATIONAL SPEED FOR THE METHOD OF MOLECULAR DYNAMICS WITH MACHINE LEARNING POTENTIAL FOR CARBON STRUCTURES

Comparison of the machine learning potential and ReaxFF by studying the stability of different carbon structures during simulations in various temperature ranges and under Ar+ ion bombardment. Comparison of the potentials by simulating the ion-stimulated process of linear chain carbon film growth

Pressure and temperature dependences in p-ZnAs2 at high pressures

Kinetic effects in p-ZnAs2 were measured at hydrostatic (P ≤ 9 GPa) and quasi-hydrostatic (to P ≤ 50 GPa) pressures on pressure buildup and depressurization. A conclusion on the occurrence of two phase transitions was made: I-II at P = 9-15 GPa and II-III at P = 30-35 GPa. Based on the temperature dependences of electrical resistance, it was shown that the conductivity is determined by activation mechanisms in a temperature range of 250-400 K; in this case, the activation energy changed with temperature and pressure. The pressure dependences of the activation energy and the coefficient R 0, which characterizes the mobility, concentration, and effective mass of carriers, were calculated. © 2013 Pleiades Publishing, Ltd

Study of gas discharge with a liquid cathode at maximum thermal load to the cathode

© Published under licence by IOP Publishing Ltd.Thermal phenomena were experimentally studied in the atmospheric pressure gas discharge between the electrolyte liquid cathode and the metal anode under conditions in which the electrolyte temperature is close to the boiling temperature. It is shown that electrolyte mass discharge can only be reduced to a certain limit, while maintaining stable mode of burning discharge