Production of highly dispersed powders of metal-oxides by evaporation-condensation technique when heated by focused radiation of terahertz-range gyrotron setup

Author:

Tsvetkov Alexander,Vodopyanov Alexander,Mansfeld Dmitry,Orlovskiy Alexey,Kamenskiy Maxim,Samokhin Andrey,Alexeev Nikolay,Sinayskiy Mikhail,Sedov Anton

Abstract

Abstract The paper describes the experimental setup and some results of experiments on the production of highly dispersed metal oxides powders using the example of tungsten trioxide WO3 by the evaporation-condensation method when the initial material is heated by focused radiation of 0.53 THz / 240 W gyrotron. By focusing the gyrotron radiation, it was possible to achieve an intensity of several kW/cm2 on the surface of the evaporated initial sample. The use of a system with a rotating crucible made it possible to increase the evaporation rate of the substance by 3–4 times, which is very important in conditions of a lack of power.

Publisher

IOP Publishing

Subject

General Physics and Astronomy

Reference11 articles.

1. Vapor-Phase Synthesis of Nanoparticles;Swihart;Curr. Opin. Colloid Interface Sci,2003

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